Conference Agenda

Airborne risk assessment for respiratory pathogens and indoor mitigation actions

Giorgio Buonanno

Università degli Studi di Cassino, Italy

Microbial transmission in indoor environments

Catherine Noakes

Professor, United Kingdom

Ventilation strategies for reduction of airborne cross-infection in indoor environment

Arsen Melikov

TECHNICAL UNIVERSITY OF DENMARK, Denmark

Coupling Tracer Derived ACH with Risk Calculators to Calculate Risk of COVID-19 Infection

Bradley Prezant, Matthew Warren

Prezant Environmental, Australia

Assessment of diffuse ceiling ventilation performance on transmission of airborne infectious diseases

Parastoo Sadeghian, Sasan Sadrizadeh

KTH Royal Institute of Technology, Sweden

COVID-19 airborne transmission risk calculation using CO2 concentrations in a 3D office environment

Christina Kakoulli¹, Modestos Athanasiou², Alexis Kyriacou², Michalis Michaelides¹

¹Cyprus University of Technology, Cyprus; ²Lelantus Innovations Ltd, Nicosia, Cyprus

Assessing exposure to infected breath in naturally ventilated classrooms

Carolanne Valerie Mathilde Vouriot, Henry Charles Burridge, Maarten van Reeuwijk

Imperial College London, United Kingdom

Transient zonal modeling of SARS-CoV-2 airborne infection risk for incomplete mixing air distribution methods

Amar Aganovic¹, Guangyu Cao², Jarek Kurnitski³, Arsen Melikov⁴, Pawel Wargocki⁴

¹The Arctic University of Norway, Norway; ²Norwegian University of Science and Technology - NTNU; ³Tallinn University of Technology,; ⁴Technical University of Denmark

Can CO2 be used as an indicator of the probability of cross-infection?

Mariya P. Bivolarova¹, Aleksandra Lipczynska², Wojciech Kierat³, Linxuan Guo¹, Arsen K. Melikov¹

¹Technical University of Denmark, Department of Civil Engineering, Denmark; ²Silesian University of Technology, Department of Heating, Ventilation and Dust Removal Technology, Poland; ³Silesian University of Technology, Department of Digital Systems, Poland

Hair Styling is a Major Indoor Source of Siloxanes

Jinglin Jiang¹, Xiaosu Ding¹, Satya S. Patra¹, Chunxu Huang¹, Emily Reidy², Paige Price², Vinay Kumar², Sarah M. Palmer¹, Maisha Mumtaz¹, Jose R. Monterroso¹, Antonios Tasoglou³, Heinz Huber⁴, Philip S. Stevens², Brandon E. Boor¹, Nusrat Jung¹

¹Purdue University; ²Indiana University; ³RJ Lee Group Inc.; ⁴Edelweiss Technology Solutions, LLC

Quantifying VOC Emissions and Transdermal Uptake from Sunscreen

Paulien Aerts, Pawel K. Misztal

University of Texas at Austin, United States of America

Emissions of cleaning products and care products used in nurseries

Melanie Nicolas, Pierre Bonnet, Corinne Mandin

Centre Scientifique et Technique du Bâtiment (CSTB), France

Modeling emissions of chemicals from liquid products applied on indoor surfaces

Wenjuan Wei¹, John Little², Olivier Ramalho¹, Corinne Mandin¹

¹CSTB, France; ²Virginia Tech, USA

Impact of formaldehyde releasers on IAQ : quantification in household products.

Gabriel Rossignol^1,2,3, Frédéric Thevenet¹, Marie Verriele¹, Mélanie Nicolas²

¹IMT Nord Europe, France; ²Centre Scientifique et Technique du Bâtiment (CSTB), France; ³Agence de la transition écologique (ADEME), France

Impact of an ozone pollution event while diffusing essential oil indoor

Florent Caron¹, Marie Verriele¹, Manolis Romanias¹, Melanie Nicolas², Frederic Thevenet¹

¹IMT Nord Europe, Université de Lille, CERI EE, F-59000 Lille, France; ²Centre Scientifique et Technique du Bâtiment (CSTB), F-38000, Grenoble, France

The effect of retina mean sensitivity under artificial lighting on visual comfort

Guanhua Qu^1,3, Lei Ren^1,3, Gang* Liu^1,2,3, Yuanyuan Zhang⁴, Xingyu Zang^2,3

¹School of Architecture, Tianjin University, Tianjin, 300072, China; ²Tianjin International Engineering Institute, Tianjin University, Tianjin,300072, China; ³Tianjin Key Laboratory of Architectural Physical Environment and Ecological Technologies, Tianjin University, Tianjin, 300072, China; ⁴School of Architecture, Huaqiao University, Xiamen 361021, Fujian, China

IAQ parameter correlations with the toxicity and inflammatory potential of settled dust

Minna Kempe¹, Kati Huttunen^2,3, Martin Täubel³, Ulla Haverinen-Shaughnessy¹

¹University of Oulu, Oulu, Finland; ²University of Eastern Finland, Kuopio, Finland; ³Finnish Institute for Health and Welfare, Kuopio, Finland

Ozone versus Ozone Reaction Products: Which Is Responsible for Cardiorespiratory Effects?

Junfeng Jim Zhang¹, Linchen He², Charles Weschler³

¹Duke University, Durham, NC, United States of America; ²Johns Hopkins University, Baltimore, MD, USA; ³Rutgers University, Piscataway, NJ, USA

Epigenetic marks after human respiratory epithelium exposure to volatile organic compounds mixtures

Margueritta Al Zallouha¹, Philomène Despréaux¹, Hervé Plaisance², Nathalie Costarramone², Valérie Desauziers², Isabelle Momas¹, Sophie ACHARD¹

¹Université de Paris, Faculté de Pharmacie-INSERM UMR 1153 - CRESS, Equipe HERA (Health Environmental Risk Assessment), Paris, France; ²Ecole des Mines d'Alès, Centre des Matériaux des Mines d'Alès, Pau, France

Fatigue effected by masking sound environment and task types: a laboratory experiment

Yuanyuan Zhang¹, Dayi* Ou^1,2,3, Shengxian Kang⁴, Guanhua Qu⁵

¹School of Architecture, Huaqiao University, Xiamen, PR China; ²Xiamen Key Laboratory of Ecological Building Construction, Xiamen, PR China; ³State Key Lab of Subtropical Building Science, South China University of Technology, Guangzhou, PR China; ⁴The Department of Building Environment and Energy Engineering, The Hong Kong Polytechnic University, Hong Kong SAR, PR China; ⁵School of Architecture, Tianjin University, Tianjin, 300072, PR China

Experimental study on aerosol emissions from using electric toothbrushes

Wenhao Tang¹, Yiqun Li¹, Ling He¹, Wei Ye^1,2

¹School of Mechanical Engineering, Institute of HVAC Engineering, Tongji University, People's Republic of China; ²Key Laboratory of Engineering Structure Performance Evolution and Control, Ministry of Education, Tongji University, People's Republic of China

Individual-level indoor exposure to particulate matter and NO2: A case study

Rok Novak^1,2, Johanna Amalia Robinson^1,2, Tjaša Kanduč¹, David Kocman¹

¹Jožef Stefan Institute, Slovenia; ²International Postgraduate School of Jožef Stefan, Slovenia

Time and spatially resolved tracking of temperature, relative humidity, carbon dioxide and particulate matter in local public transport

Tunga Salthammer, Christian Fauck, Alexander Omelan, Sebastian Wientzek, Erik Uhde

Fraunhofer WKI, Braunschweig, Germany

Artificial saliva aerosol source and detection system for spreading analysis in indoor environments

Daniel Schiepel, Daniel Schmeling, Robert Brinkema

German Aerospace Center, Germany

Managing indoor air quality in nursery and primary schools with low-cost solutions

Juliana P. Sá^1,2, Pedro T.B.S. Branco^1,2, Maria C.M. Alvim-Ferraz^1,2, Fernando G. Martins^1,2, Sofia I.V. Sousa^1,2

¹LEPABE - Laboratory for Process Engineering, Environment, Biotechnology and Energy, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, 4200-465 Porto, Portugal; ²ALiCE - Associate Laboratory in Chemical Engineering, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, 4200-465 Porto, Portugal

Impact of Fan-Coil Units Air Recirculation to Indoor Environmental Conditions: A CFD Approach

Nearchos Stylianides¹, Panayiotis Papadopoulos¹, Alexis Kyriacou³, Demetrios Eliades¹, Marios Polycarpou^1,2, Christos Panayiotou^1,2

¹KIOS Research and Innovation Center of Excellence, University of Cyprus, Nicosia, Cyprus; ²Department of Electrical and Computer Engineering, University of Cyprus, Nicosia, Cyprus; ³Lelantus Innovation Ltd, Nicosia, Cyprus

Thermal environment in simulated office rooms generated by 4-way active chilled beams

Panu Mustakallio¹, Ru Ming², Tuomas Kaukola¹, Risto Kosonen^3,4, Simo Kilpeläinen³, Sami Lestinen³

¹Halton Oy, Finland; ²Chongqing University, China; ³Aalto University, Finland; ⁴Nanjing Tech University, China

Comparing Speed and Accuracy of Fast Alternatives to CFD for Ventilation Design

Eugene Mamulova, Twan van Hooff

Eindhoven University of Technology, The Netherlands

Numerical investigation of pollutant capture and ventilation efficiencies in laboratory fume hood

Ryota Muta, Kazuhide Ito

Faculty of Engineering Sciences, Kyushu University, Japan

Comparison of CFD analyses and experiments of active ceiling diffusers

Pekka Tapani Kanerva, Panu Mustakallio

Halton Oy, Finland

Impact of heat loads on air distribution patterns in open-plan offices with Active Chilled Beams

Haider Latif¹, Samira Rahnama¹, Alessandro Maccarini¹, Goran Hultmark², Alireza Afshari¹

¹Department of the Built Environment, Aalborg University Copenhagen, Denmark; ²Indoor Climate Solutions, Lindab A/S, Denmark

Needs to revise ventilation guidelines and standards

Chair(s): Olli Seppänen (Nordic Ventilation Group), Bjarne Olesen (DTU, Denmark)

Presenter(s): Jarek Kurnitski (Tallinn University of Technology), Aizera Afshari (Aalborg University), Bjarne Olesen (Technical University of Denmark), Pawel Wargocki (Technical University of Denmark)

Python Crash Course and Mini-Hackathon for Occupant-Centric Researchers

Chair(s): Clayton Miller (National University of Singapore, Singapore)

Presenter(s): Clayton Miller (National University of Singapore, Singapore)

Saint-Gobain workshop: Good sound environment and hygienic demands in hospitals

Chair(s): Jyrki Kilpikari (Saint-Gobain Finland Oy)

Presenter(s): Henna Maula (Turku University of Applied Sciences), Maria Quinn (Saint-Gobain Ecophon AB), Jyrki Kilpikari (Saint-Gobain Finland Oy)

Indoor CO2 Direct Air Capture (iCO2 DAC): indoor air pollutants as renewable carbon source

Luis Rafael López de León¹, Paolo Dessi¹, Alba Cabrera Codony¹, Bart Kraakman², Marilós Balaguer¹, Sebastià Puig¹

¹LEQUIA-Universitat de Girona, Spain; ²Jacobs Engineering

Outdoor air originated PM2.5 concentration in residences

Antti Korhonen^1,2, Isabell Rumrich^1,2, Heli Lehtomäki^1,2, Billy Braithwaite², Julian Lin², M. Lazaridis³, S.M. Almeida⁴, E. Diapouli⁵, C. Geels⁶, Otto Hänninen¹

¹Finnish Institute for Health and Welfare, Kuopio, Finland; ²University of Eastern Finland, Kuopio, Finland; ³Technical University of Crete, Chania, Greece; ⁴Universidade de Lisboa, Lisbon, Portugal; ⁵National Centre for Scientific Research (N.C.S.R.), “Demokritos”, Athens, Greece; ⁶Aarhus University, Aarhus, Denmark

Studying the efficiency of air cleaners at removing various indoor air impurities in classrooms

Hanna Leppänen, Taina Siponen, Kaisa Jalkanen, Miina Juntunen, Pekka Taimisto, Tarja Yli-Tuomi, Martin Täubel, Anne Hyvärinen

Finnish Institute for Health and Welfare, Finland

Novel Air Purification System for Classrooms and Offices that Cleans Exhaled Air

Anita Trajkovska-Broach, Ron Blum Blum, Stuart Sheldon

Air-Clenz Systems, United States of America

Presence of SARS-CoV-2 in HEPA Filters of Portable Air Cleaners

Florentina Villanueva^1,2, Isabel G. Fernandez de Mera³, Carmen Granda⁴, José de la Fuente^3,5, Christian Gortázar³, Beatriz Cabañas¹

¹Instituto de Investigación en Combustión y Contaminación Atmosférica, Universidad de Castilla-La Mancha, Ciudad Real, Spain; ²Parque Científico y Tecnológico de Castilla-La Mancha, Albacete, Spain; ³SaBio, Instituto de Investigación en Recursos Cinegéticos, IREC (UCLM & CSIC), Ciudad Real, Spain; ⁴Residencias CADIG Guadiana I y II, Centro Salud I de la Gerencia de Atención Integrada de Ciudad Real, Servicio de Salud de Castilla – La Mancha (SESCAM), Ciudad Real, Spain; ⁵Department of Veterinary Pathobiology, Center for Veterinary Health Sciences, Oklahoma State University, Stillwater, USA

Mold detection in the domestic indoor environment: preliminary results from Luxembourg

Lauralie Mangeot-Peter¹, Alicia Borras-Santos², Laura Féry², Gladys Langue², Jean-Raymond Guillard², Carole Eicher³, Laurence Wurth³, Anne Vergison³, An Van Nieuwenhuyse⁴, Radu Corneliu Duca¹

¹Unit Enviromental Hygiene and Human Biological Monitoring, Department of Health Protection, Laboratoire national de santé (LNS), Dudelange, Luxembourg; ²Unit Medical Expertise and Data Intelligence, Department of Health Protection, Laboratoire national de santé (LNS), Dudelange, Luxembourg; ³Directorate of Health, Ministry of Health, Luxembourg, Luxembourg; ⁴Department of Health Protection, Laboratoire national de santé (LNS), Dudelange, Luxembourg

Farm home-like indoor microbiota protect form asthma in urban homes

Christina Tischer^1,2, Martin Täubel², Anne M Karvonen², Balamuralikrishna Jayaprakash², Gunda Herberth³, Marie Standl⁴, Joachim Heinrich^4,5,6, Juha Pekkanen^2,7, Pirkka Kirvjavainen^2,8

¹Julius Maximilian University of Würzburg, Germany; ²Environmental Health Unit, Finnish Institute for Health and Welfare, Kuopio, Finland; ³Department of Environmental Immunology/Core Facility Studies, Helmholtz Centre for Environmental Research - UFZ, Leipzig, Germany; ⁴Institute of Epidemiology, Helmholtz Zentrum München - German Research Center for Environmental Health, Ingolstädter Landstraße 1, 85764, Neuherberg, Germany; ⁵Institute and Clinic for Occupational, Social and Environmental Medicine, University Hospital, LMU Munich, Ziemssenstraße 1, 80336, Munich, Germany; ⁶Allergy and Lung Health Unit, Melbourne School of Population and Global Health, University of Melbourne, 207 Bouverie St, Carlton, Melbourne, VIC, 3053, Australia; ⁷Department of Public Health, University of Helsinki, Helsinki, Finland; ⁸Institute of Public Health and Clinical Nutrition, University of Eastern Finland, Kuopio, Finland

Associations between residential greenness, indoor microbiota and risk of developing allergic rhinitis

Christina Tischer^1,2, Teemu Zacheus², Martin Täubel², Carlos Gonzales-Inca³, Jonna Jalanka^2,4, Pauli Tuoresmäki², Balamuralikrishna Jayaprakash², Jussi Vahtera⁵, Anne Hyvärinen², Juha Pekkanen^2,6, Anne M Karvonen², Pirkka Kirjavainen^2,4

¹Julius Maximilian University of Würzburg, Germany; ²Enviromental Health Uni, Finnish Institute for Health and Welfare, Kuopio, Finland; ³Department of Geography and Geology, University of Turku, Turku, Finland; ⁴Institute of Public Health and Clinical Nutrition, University of Eastern Finland, Kuopio, Finland; ⁵Department of Public Health, University of Turku, Turku, Finland; ⁶Department of Public Health, University of Helsinki, Helsinki, Finland

Comparison of amplicon sequencing and direct cultivation – early-stage results

Antti Juhani Salonen, Filip Fedorik, Lucy Davies

University of Oulu, Finland

Acrostalagmus luteoalbus, a rare allergenic, toxigenic, non-pathogenic fungus, found in indoor air, dust and building materials in a public building in Finland

Kirsi Vaali¹, Johanna Salo², András Varga³, Ekumi Kingley¹, László Kredics³, Aino Maria Andersson², Jarek Kurnitski², Heidi Salonen², Tuula Putus⁴

¹University of Helsinki Finland; ²Aalto University, Finland; ³University of Szeged Hungary; ⁴University of Turku Finland

Life after death in graveyards: Aspergillus sections, a menace deep hidden

Marta Dias^1,2,3, Renata Cervantes³, Bianca Gomes³, Liliana Aranha-Caetano^3,4, Carla Viegas^1,2,3

¹NOVA National School of Public Health, Public Health Research Centre, Universidade NOVA de Lisboa; ²Comprehensive Health Research Center (CHRC), Universidade NOVA de Lisboa; ³H&TRC- Health & Technology Research Center, Portugal; ⁴Research Institute for Medicines (iMed.ULisboa), Faculty of Pharmacy, University of Lisbon, Lisbon, Portugal

A building’s microenvironments: digging deeper into an indoor microbiome

Lucy Rebecca Davies¹, Aitor Barbero-López², Filip Fedorik³, Antti Haapala², Phillip C Watts¹

¹Department of Biological and Environmental Science, University of Jyväskylä, FI-40014, Finland; ²Faculty of Science and Forestry, School of Forest Sciences, University of Eastern Finland, Finland; ³Civil Engineering Research Group, University of Oulu, Finland

BENEFIT - Building Evaluations for Indoor Air Quality and Comfort in the Non-Residential Sector Following Energy Efficient Improvement

James A. McGrath, Miriam A. Byrne

Physics Unit, School of Natural Sciences and the Ryan Institute’s Centre for Climate and Air Pollution Studies, National University of Ireland Galway, Galway, Ireland.

Influence of outdoor temperature and Japanese regulation of energy efficiency on long-term vital statistic

Taro Mori¹, Kyoko Aoyama¹, Mai Hasegawa², Motoya Hayashi¹

¹Hokkaido Univ, Japan; ²Japan Post Holdings Co.,Ltd.

Indoor emissions from circular and renewable materials for buildings

Helene Bendstrup Klinke, Morlin Möller

Danish Technological Institute, Denmark

Carbon footprint and indoor climate of family houses in Slovakia

Katarína Harčárová, Jana Budajová, Silvia Vilčeková, Eva Krídlová Burdová, Peter Kapalo

Technical university of Košice, Slovak Republic

Modelling childhood exposure to indoor air pollution across socio-economic groups

Lauren Ferguson^1,3, Jonathon Taylor², Phil Symonds¹, Michael Davies¹

¹University College London, United Kingdom; ²Tampere University; ³UK Health Security Agency (formerly Public Health England)

Numerical analysis of particle dispersion and removal in differently ventilated rooms

Wenchao Wang¹, Ryozo Ooka², Hideki Kikumoto², Wonseok Oh², Chao Lin¹, Mengtao Han³

¹School of Engineering, The University of Tokyo, Tokyo, Japan; ²Institute of Industrial Science, The University of Tokyo, Tokyo, Japan; ³School of Architecture and Urban Planning, Huazhong University of Science and Technology, Wuhan, China

CFD investigation of rack-level airflow distribution optimization in a simplified data centre with non-uniform front-door porosity of racks

Xiaolei Yuan^1,2, Yumin Liang², Yiqun Pan², Risto Kosonen^1,3

¹Aalto University; ²Tongji University; ³Nanjing Tech University

Development needs of indoor air problem-solving processes in Finnish workplaces

Titta Manninen¹, Sanna Lappalainen¹, Tarja Hartikainen², Hanne Lindqvist², Jussi Niemi², Anniina Salmela³

¹Finnish Institute of Occupational Health, Finland; ²Association of Finnish Local and Regional Authorities, Finland; ³Finnish Institute for Health and Welfare

Finnish guideline for inspecting ventilation systems

Rauno Holopainen¹, Olli Seppänen², Siru Lönnqvist², Mervi Ahola³, Samuli Könkö⁴, Jorma Säteri¹

¹Metropolia University of Applied Sciences, Finland; ²The Finnish Association of HVAC Societies, FINVAC; ³Finnish Society of Indoor Air Quality and Climate, Finland; ⁴The HVAC Association of Finland, SuLVI, Finland

Healthy Premises 2028 Programme tackles indoor air problems

Katja Marjut Outinen¹, Vesa Pekkola², Timo Lahti³, Mikko Helasvuo⁴

¹Prime Minister's Office; ²Ministry of Social Affairs and Health; ³Ministry of the Environment; ⁴Ministry of Education and Culture

Bringing the indoor exposome to its full potential: multi-residue analysis in dust

Emilie Hardy¹, Matteo Creta¹, Alicia Borras-Santos², Carole Eicher³, Laurence Wurth³, Anne Vergison³, An van Nieuwenhuyse⁴, Radu Corneliu Duca¹

¹Unit Environmental Hygiene and Human Biological Monitoring, Department of Health Protection, Laboratoire national de santé (LNS), Dudelange, Luxembourg; ²Unit Medical Expertise and Data Intelligence, Department of Health Protection, Laboratoire national de santé (LNS), Dudelange, Luxembourg; ³Directorate of Health, Ministry of Health, Luxembourg, Luxembourg; ⁴Department of Health Protection, Laboratoire national de santé (LNS), Dudelange, Luxembourg

TOXinTRANSPORT: project about toxicological, chemical and physical characterizations of particles in the cabin air of TRANSPORT in movement

Jessica Queron¹, Ambre Delater¹, Guislaine Lacceoix¹, Matheus De-Mendonca-Andrade¹, Brice Berthelot¹, Cléo Tebby¹, Olivier Le Bihab¹, Alexandre Albinet¹, Marc Durif¹, Gaëlle Uzu², Sylvie Ngo³, Guillaume Suarez⁴

¹INERIS, France; ²IGE, France; ³SNCF, France; ⁴UNISANTE, Suisse

Predictive model of natural ventilation rate based on transfer learning

Dong Yoon Park, Hansaem Park, Jihyun Kang

Korea Advanced Institute of Science and Technology, Korea, Republic of (South Korea)

Flexible integrated energy system for buildings to meet the demand of energy use and healthy indoor environment: a case study

Liuliu Du-Ikonen¹, Xiaojie Lin², Wei Zhong², Hongfei Zhao², Mika Luoranen¹, Risto Soukka¹

¹Department of Sustainability Science, Lappeenranta-Lahti University of Technology LUT, Lappeenranta, Finland; ²College of Energy Engineering, Zhejiang University, Hangzhou, China

Surface cleanliness in hospitality spaces

Iiris Pulkkinen¹, Ulla Haverinen-Shaughnessy¹, Eugene Cole², Greg Whiteley³, Richard Shaughnessy⁴

¹University of Oulu; ²LRC Indoor Testing & Research, Cary, USA; ³Western Sydney University, Sydney, Australia; ⁴University of Tulsa, Tulsa, USA

SARS-CoV-2 air and surface contamination on a COVID-19 ward and at home

Lotta-Maria Adele Helena Oksanen^1,2, Jenni Virtanen², Enni Sanmark^1,2, Noora Rantanen¹, Vinaya Venkat², Svetlana Sofieva^2,3, Kirsi Aaltonen², Ilkka Kivistö², Julija Svirskaite², Aurora Díaz Pérez², Joel Kuula³, Lev Levanov², Antti-Pekka Hyvärinen³, Leena Maunula², Nina Atanasova^2,3, Sirpa Laitinen⁴, Veli-Jukka Anttila^1,2, Lasse Lehtonen^1,2, Maija Lappalainen^1,2, Ahmed Geneid^1,2, Tarja Sironen²

¹Helsinki University Hospital, Helsinki, Finland; ²University of Helsinki, Helsinki, Finland; ³Finnish Meteorological Institute, Helsinki, Finland; ⁴Finnish Institute of Occupational Health, Kuopio, Finland

Evaluation of a new hydrogen peroxide vapor generator prototype

Jani Hakala, Kimmo Heinonen, Ilpo Kulmala

VTT Technical Research Centre of Finland

Uncertainty Analysis of Safe Excess CO2 Threshold for Indoor Infection Risk Control

Xiaowei Lyu, Zhiwen Luo, Li Shao

University of Reading, United Kingdom

Estimation of infection fields and pathways for SARS-CoV-2 and its variant based on the relationship among dose–response function parameter, quantum emission rate, and basic reproductive number

Atsushi Mizukoshi, Jiro Okumura, Kenichi Azuma

Department of Environmental Medicine and Behavioral Science, Kindai University Faculty of Medicine, Japan

Estimating SARS-CoV-2 infection risk in university dormitories using CO2 pulse injections

Daniel E. Amparo, Ryan P. Moravec, Barbara J. Turpin, Glenn C. Morrison

University of North Carolina at Chapel Hill, United States of America

Quantum chemical calculation of partition coefficients for environmentally relevant organic compounds

Tunga Salthammer¹, Stefan Grimme², Marcel Stahn², Uwe Hohm³, Wolf-Ulrich Palm⁴

¹Fraunhofer WKI, Braunschweig, Germany; ²Mulliken Center for Theoretical Chemistry, Institute for Physical and Theoretical Chemistry, University of Bonn, Germany; ³Institute of Physical and Theoretical Chemistry, University of Braunschweig – Institute of Technology, Germany; ⁴Institute of Sustainable and Environmental Chemistry, Leuphana University Lüneburg, Germany

Characterizing the Fabric-Air Partition Behavior of Volatile Organic Compounds by Thermal Desorption

Jie Yu¹, Frank Wania², Jonathan P.D. Abbatt¹

¹University of Toronto St. George, Toronto, Ontario, Canada; ²University of Toronto Scarborough, Toronto, Ontatio, Canada

Predicting the viscosity of organic–inorganic particles and surface films

Andreas Zuend, Joseph Lilek

McGill University, Canada

Indoor Air Chemistry of Applications of Ultraviolet Air Cleaners

Tianren Wu, Dusan Licina

École Polytechnique Fédérale de Lausanne (EPFL), Switzerland

Secondary organic aerosol formation from the reaction of D5 with chlorine atoms

Anita Avery¹, Francesca Majluf¹, Jordan Krechmer¹, Harald Stark¹, Lea Hildebrandt Ruiz², William Brune³, Manjula Canagaratna¹, Andrew Lambe¹

¹Aerodyne Research, Inc, United States of America; ²University of Texas, Austin; ³Pennsylvania State University

Emerging Science on Indoor Chemistry: A U.S. National Academies Study

Megan E. Harries. PhD¹, David C. Dorman. DVM. PhD²

¹National Academies of Sciences, Engineering, and Medicine, Washington, DC, USA; ²North Carolina State University, Raleigh, NC, USA

Natural versus mechanical ventilation: a tale of two hospital wards

Thomas Zitterl¹, Matthias Wilhelm Schuss¹, Christiane Berger², Ardeshir Mahdavi¹

¹Vienna University of Technology, Austria; ²Aalborg University, Denmark

The effects of personal control of light color on thermal perceptions

Wei Luo¹, Rick Kramer², Maaike Kompier³, Karin Smolders³, Yvonne de Kort³, Wouter van Marken Lichtenbelt¹

¹Department of Nutrition and Movement Sciences, NUTRIM, Maastricht University, Maastricht, P.O. Box 616, 6200MD, The Netherlands; ²Department of the Built Environment, Eindhoven University of Technology, P.O. Box 513, 5600MB, Eindhoven, The Netherlands; ³Department of Industrial Engineering and Innovation Sciences, Eindhoven University of Technology, P.O. Box 513, 5600MB, Eindhoven, The Netherlands

Does Gender Matter in Perception of Indoor Environmental Quality? Findings From A Swedish National Survey

Theofanis Psomas¹, Paul O' Sullivan², Sarka Langer^1,3, Despoina Teli¹, Pawel Wargocki⁴

¹Chalmers University of Technology, Gothenburg, Sweden; ²Munster Technological University, Cork, Ireland; ³IVL Swedish Environmental Research Institute, Gothenburg, Sweden; ⁴Technical University of Denmark, Copenhagen, Denmark

An effect of inhaled temperature on thermal comfort, perceived air quality, acute health symptoms and physiological responses

Zhibin Wu^1,2, Pawel Wargocki³, Nianping Li²

¹Karlsruhe Institute of Technology, Germany; ²College of Civil Engineering, Hunan University, Changsha 410081, China; ³Technical University of Denmark, Kgs. Lyngby, 2800, Denmark

Gender Differences in Psychological Responses and Eye Movements for Biophilic Rooms

Miku Tazaki, Soma Sugano, Ryo Nitta, Mayumi Ohba, Shusuke Takahashi, Shin-ichi Tanabe

Waseda University, Japan

A study of the seasonal effect of heart rate on human thermal sensation in cold regions

Shujie Li, Xia Deng, Haoyue Feng, Haiyan Yan

Henan Polytechnic University, China, People's Republic of

Characterization of indoor and outdoor particles in a mechanically ventilated office building

Ville Silvonen¹, Laura Salo¹, Ilpo Kulmala², Tuomas Raunima³, Panu Karjalainen¹, Juha Vinha³, Markus Nikka⁴, Topi Rönkkö¹

¹Tampere University, Engineering and Natural Sciences, Aerosol Physics Laboratory, Tampere, Finland; ²VTT Technical Research Centre of Finland, Tampere, Finland; ³Tampere University, Faculty of Built Environment, Building Physics, Tampere, Finland; ⁴Dekati Ltd, Kangasala, Finland

Measured LDSA concentrations indoors and outdoors at four schools/daycares in Finland

Laura Salo¹, Ville Silvonen¹, Tuomas Raunima², Panu Karjalainen¹, Juha Vinha², Topi Rönkkö¹

¹Tampere University, Engineering and Natural Sciences, Aerosol Physics Laboratory, Korkeakoulunkatu 3, 33720 Tampere, Finland; ²Tampere University, Faculty of Built Environment, Building Physics, Korkeakoulunkatu 5, 33720 Tampere, Finland

High Concentration of Indoor Particulate matter (PM 2.5) from Burning Solid Fuels in Rural Households of Butajira, Ethiopia

Mulugeta Tamire¹, Abera Kumie¹, Adamu Addissie¹, Mulugeta Ayalew¹, Johan Boman², Susann Skovbjerg², Rune Andersson²

¹Addis Ababa University, Ethiopia; ²University of Gothenburg, Gothenburg, Sweden

Source-specific particle emission rates under reallife conditions – measurement approach vs. modeling approach

Jiangyue Zhao¹, Tareq Hussein^1,2, Wolfram Birmili³, Birgit Wehner⁴, Alfred Wiedensohler⁴

¹Fraunhofer WKI, Department of Material Analysis and Indoor Chemistry, 38108 Braunschweig, Germany; ²University of Helsinki, Institute for Atmospheric and Earth System Research (INAR), 00560 Helsinki, Finland; ³German Environment Agency (Umweltbundesamt), Department II 1 “Environmental Hygiene”, 14195 Berlin, Germany; ⁴Leibniz Institute for Tropospheric Research, 04318 Leipzig, Germany

Respiratory aerosol emission as a function of frequency and loudness during sustained phonation of the vowel /a/

Tanvir Ahmed¹, Mahender Singh Rawat², Andrea R. Ferro², Amir A. Mofakham¹, Goodarz Ahmadi¹, Dinushani Senarathna³, Sumona Mondal³, Byron D. Erath¹

¹Department of Mechanical and Aeronautical Engineering, Clarkson University, Potsdam, NY 13699; ²Department of Civil and Environmental Engineering, Clarkson University, Potsdam, NY 13699; ³Department of Mathematics, Clarkson University, Potsdam NY 13699

Field Measurements of Particle Size Distributions from 1.18 to 50 nm with a Particle Size Magnifier – Scanning Mobility Particle Sizer (PSMPS) During Scented Candle Combustion in a Residential Building

Satya S. Patra¹, Jinglin Jiang¹, Xiaosu Ding¹, Chunxu Huang¹, Emily Reidy², Paige Price², Vinay Kumar², Antonios Tasoglou³, Heinz Huber⁴, Connor Keech⁵, Gerhard Steiner⁶, Philip S. Stevens², Nusrat Jung¹, Brandon E. Boor¹

¹Purdue University; ²Indiana University; ³RJ Lee Group Inc.; ⁴Edelweiss Technology Solutions, LLC; ⁵DURAG Inc.; ⁶GRIMM Aerosol Technik Ainring GmbH & Co. KG

Modelling of particle size resolved I/O ratio in an office building

Ilpo Kulmala¹, Ville Silvonen², Laura Salo², Topi Rönkkö², Tuomas Raunima², Juha Vinha²

¹VTT, Finland; ²Tampere University

Modelling UK schoolchildren health by coupling building simulation and multi-criteria decision analysis

Duncan Grassie¹, Filiz Karakas², Yair Schwartz¹, Jie Dong¹, James Milner², Zaid Chalabi¹, Anna Mavrogianni¹, Dejan Mumovic¹

¹UCL Bartlett School of Environment, Energy and Resources, United Kingdom; ²The London School of Hygiene & Tropical Medicine, United Kingdom

Balancing of airflows of mechanical ventilation systems in buildings with a very airtight building envelope

Marko Kristian Björkroth, Ismo Maring

Sweco Talotekniikka Oy, Finland

Hygrothermal behavior assessment in building walls and indoors by numerical analysis

Yujin Kang, Ho Hyeon Jo, Hyeonseong Yuk, Sumin Kim

Yonsei University, Korea, Republic of (South Korea)

ADVANCED AIRFLOW DISTRIBUTION SYSTEM FOR REDUCING AIRBORNE VIRUS EXPOSURE IN HOSPITAL ROOMS

Osama Butt¹, Haider Latif², Klaus Reinartz¹, Goran Hultmark³, Alireza Afshari²

¹IU International University of Applied Sciences, Bad Honnef, Germany; ²Department of the Built Environment, Aalborg University Copenhagen, Denmark; ³Indoor Climate Solutions, Lindab A/S, Denmark

Investigating Mixing and Dispersion Mechanisms of Gaseous Pollutants and Particles in Residences

Sangeetha Kumar, Mengjia Tang, Daniel Rush, Ningling Zhu, Atila Novoselac

The University of Texas at Austin, United States of America

IEQ guidelines database updates - Can existing IEQ guidelines be used for building performance assessment and continuous monitoring?

Chair(s): Ulla Haverinen-Shaughnessy (The University of Oulu, Finland & The University of Tulsa, USA), Linda Hägerhed (The University of Borås, Sweden)

Presenter(s): Ulla Haverinen-Shaughnessy (The University of Oulu, Finland & The University of Tulsa, USA), Linda Hägerhed (The University of Borås, Sweden), David Hemming (CETEC Foray Limited, United Kingdom)

Integrated evaluation and management of indoor air quality in modern office buildings

Chair(s): Paolo Carrer (University of Milan, Italy), Kenichi Azuma (Dept Environmental Medicine and Behavioral Science, Kindai University, Osaka, Japan)

Presenter(s): Kenichi Azuma (Dept Environmental Medicine and Behavioral Science, Kindai University, Osaka, Japan), Walter Hugentobler (Laboratory of Atmospheric Processes and their Impacts, School of Architecture, Civil & Environmental Engineering, École Polytechnique Fédérale de Lausanne, Switzerland), Markku Sainio (Helsinki University Hospital, Fi), Paolo Carrer (Occupational and Environmental Health Unit, Dpt. of Biomedical and Clinical Sciences “Luigi Sacco”, University of Milan, Italy)

Non-conventional/traditional numerical methods for indoor and outdoor airflow modelling

Chair(s): Amirul Islam Khan (University of Leeds, United Kingdom), Twan van Hooff (Eindhoven University of Technology Department: Built Environment, Netherlands)

Presenter(s): Amirul Khan (University of Leeds, United Kingdom), Wei Liu (KTH Royal Institute of Technology, Sweden), Naveed Salman (University of Leeds, United Kingdom), Eugene Mamulova (Eindhoven University of Technology, Netherlands)

ASHRAE’s New Position Document on Indoor Carbon Dioxide Concentrations

Chair(s): Pawel Wargocki (Technical University of Denmark)

Presenter(s): William Bahnfleth (The Pennsylvania State University, USA), Howard Kipen (Rutgers University School of Public Health, USA), Josephine Lau (University of Nebraska, USA), Corinne Mandin (Scientific and Technical Centre for Building, France), Andrew Persily (NIST, USA), Chandra Sekhar (National University of Singapore), Pawel Wargocki (Technical University of Denmark), Lan Chi Weekes (La Cité Collegiale, Canada)