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2012
3 Citations (Scopus)
2 Downloads (Pure)

Numerical predictions of the discharge coefficient of a window with moveable flap

Iqbal, A., Nielsen, P. V., Afshari, A. & Heiselberg, P., 2012, Healthy Buildings 2012: 10th International Conference. Queensland University of Technology, 6 p.

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

Computational fluid dynamics
Orifices
2018
10 Citations (Scopus)

Seasonal variation of window opening behaviors in two naturally ventilated hospital wards

Shi, Z., Qian, H., Zheng, X., Lv, Z., Li, Y., Liu, L. & Nielsen, P. V., 15 Feb 2018, In : Building and Environment. 130, p. 85-93

Research output: Contribution to journalJournal articleResearchpeer-review

2013

Mixing Ventilation – New REHVA Guidebook No 19

Kosonen, R., Müller, D., Kandzia, C., Melikov, A. K. & Nielsen, P. V., 2013, In : REHVA Journal. 50, 4, p. 64-67 4 p.

Research output: Contribution to journalLiterature reviewCommunication

methodology
2016
3 Citations (Scopus)

Three distinct surgical clothing systems in a turbulent mixing operating room equipped with mobile ultraclean laminar airflow screen: A numerical evaluation

Sadrizadeh, S., Holmberg, S. & Nielsen, P. V., 2016, In : Science and Technology for the Built Environment. 22, 3, p. 337–345

Research output: Contribution to journalJournal articleResearchpeer-review

Operating rooms
Bacteria
Surgery
Ventilation
Computational fluid dynamics
2012
22 Citations (Scopus)

An Assessment of a Partial Pit Ventilation System to Reduce Emission under Slatted Floor: Part 2 : feasibility of CFD prediction using RANS turbulence models

Wu, W., Zhang, G., Bjerg, B. S. & Nielsen, P. V., 2012, In : Computers and Electronics in Agriculture. 83, p. 134-142 9 p.

Research output: Contribution to journalJournal articleResearchpeer-review

ventilation systems
Turbulence models
Ventilation
ventilation
Computational fluid dynamics
2016

The Status of Computational Fluid Dynamics

Nielsen, P. V., Liu, L., Peng, L. & Li, Y., 2016, CLIMA 2016: proceedings of the 12th REHVA World Congress, 22-25 May 2016, Aalborg, Denmark. Aalborg University. Department of Civil Engineering, p. 10-13 4 p. (Clima 2016).

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

quality control
human being
2018

Experimental Study of Heavy Contaminant Gas Distribution in a Large Space Chamber

Zhang, Q., Zhang, X., Liu, L. & Nielsen, P. V., 2018, Proceedings: Roomvent & Ventilation 2018. Kosonen, R., Ahola, M. & Narvanne, J. (eds.). Helsinki: SIY Indoor Air Information Oy, p. 803-808 134

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

experimental study
pollutant
gas
air
distribution
2015
65 Downloads (Pure)

To predict low turbulent flow

Nielsen, P. V. & Yuguo, L., 2015. 4 p.

Research output: Contribution to conference without publisher/journalPaper without publisher/journalResearch

Open Access
File
2012
370 Downloads (Pure)

Air Distribution Systems and Cross-Infection Risk in the Hospital Sector

Nielsen, P. V., 2012, Ventilation 2012: The 10th International Conference on Industrial Ventilation, Paris, 17 – 19 September 2012. Paris: Institut National de Recherche et de Sécurité, 15 p.

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

Open Access
File
Ventilation
Air
Cabins (aircraft)
Experiments
Thermal gradients
2015
687 Downloads (Pure)

User-Dependent CFD Predictions of a Backward-Facing Step Flow: Report to participating teams

Peng, L., Nielsen, P. V., Wang, X. & Li, Y., 2015, Proceedings of the 9th International Symposium on Heating, Ventilation and Air Conditioning (ISHVAC) - The 3rd International Conference on Building Energy and Environment (COBEE). Tianjin University, 27 p.

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

File
Computational fluid dynamics
Turbulence models
Reynolds number
Experiments
Boundary conditions
2016
18 Citations (Scopus)

Study on pollution control in residential kitchen based on the push-pull ventilation system

Zhou, B., Chen, F., Dong, Z. & Nielsen, P. V., 2016, In : Building and Environment. 107, p. 99–112 14 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Air curtains
Kitchens
Pollution control
pollution control
Ventilation
2012
1817 Downloads (Pure)

Master’s Thesis Ideas 2012: M.Sc. in Indoor Environmental and Energy Engineering

Jensen, R. L., Heiselberg, P., Brohus, H., Nielsen, P. V. & Liu, L., 2012, Aalborg: Department of Civil Engineering, Aalborg University. 30 p. (DCE Latest News; No. 33).

Research output: Book/ReportReportCommunication

Open Access
File
2014

Breathing and Cross-Infection Risk in the Microenvironment around People

Nielsen, P. V., Zajas, J. J., Litewnicki, M. & Jensen, R. L., 2014, In : ASHRAE Transactions. 120, 8 p.

Research output: Contribution to journalConference article in JournalResearchpeer-review

Boundary layers
Experiments
Mathematical models
Air
Hot Temperature
2019

A benchmark test for room air distribution: The backward facing step flow

Nielsen, P. V., Zhang, C., Kjær, C., Leiria, D., Nørholm, H., Ramstad, T. & Rovithakis, A., 2019, Proceedings of IAQVEC2019 Conference: IOP Conference Series: Materials Science and Engineering. Vol. 609.

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

Open Access
Turbulence models
Computational fluid dynamics
Velocity measurement
Turbulent flow
Air
2020

Measuring the administered dose of particles on the facial mucosa of a realistic human model

Duan, M., Liu, L., Da, G., Géhin, E., Nielsen, P. V., Weinreich, U. M., Lin, B., Wang, Y., Zhang, T. & Sun, W., Jan 2020, In : Indoor Air. 30, 1, p. 108-116

Research output: Contribution to journalJournal articleResearchpeer-review

Mucous Membrane
Lip
3D printers
Oropharynx
Bronchi
2014
115 Downloads (Pure)

Draught risk index tool for building energy simulations

Vorre, M. H., Jensen, R. L. & Nielsen, P. V., Oct 2014, In : CIB Proceedings. p. 1-7 7 p.

Research output: Contribution to journalConference article in JournalResearchpeer-review

Open Access
File
Processing
Uncertainty
2011

Airborne Cross-Infection Risk Between Two People in a Displacement Ventilated Room

Nielsen, P. V., Cortes, I. O., Ruiz de Adana, M., Grzelecki, P. & Jensen, R. L., 2011, IAQ 2010 : Airborne Infection Control - Ventilation, IAQ, and Energy. American Society of Heating, Refrigerating and Air-Conditioning Engineers, Inc., 15 p.

Research output: Contribution to book/anthology/report/conference proceedingConference abstract in proceedingResearchpeer-review

4 Citations (Scopus)
178 Downloads (Pure)

An Experimental Study of Exhaled Substance Exposure between Two Standing Manikins

Liu, L., Li, Y., Nielsen, P. V. & Jensen, R. L., 2011. 1 p.

Research output: Contribution to conference without publisher/journalConference abstract for conferenceResearchpeer-review

Open Access
File
2014
6 Citations (Scopus)

Evaluation of air cleaning technologies existing in the Danish market: Experiments in a duct and in a test room

Ardkapan, S. R., Afshari, A., Bergsøe, N. C. & Nielsen, P. V., 2014, In : Indoor and Built Environment. 23, 8, p. 1177-1186 10 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Air
Technology
Ozone
Pressure
Ultrafine
2015
21 Citations (Scopus)

Protected zone ventilation and reduced personal exposure to airborne cross-infection

Cao, G., Nielsen, P. V., Jensen, R. L., Heiselberg, P., Liu, L. & Heikkinen, J., 2015, In : Indoor Air. 25, 3, p. 307-319 13 p.

Research output: Contribution to journalJournal articleResearchpeer-review

2011

Airflow Pattern Generated by Three Air Diffusers: Experimental and Visual Analysis

Olmedo, I., Nielsen, P. V., Ruiz de Adana, M. & Jensen, R. L., 2011, Libro de Conferencias Lectures: VI Congreso Mediterráneo de Climatización. Spanien: Atecyr, 6 p.

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

Computational fluid dynamics
Air
Diffusers (fluid)
Smoke
Velocity measurement

Experimental Study Abour How the Thermal Plume Affects the Air Quality a Person Breathes

Olmedo, I., Nielsen, P. V., Ruiz de Adana, M., Grzelecki, P. & Jensen, R. L., 2011, Roomvent 2011. TAPIR Akademisk Forlag, 6 p.

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

Thermal plumes
Air quality
Impurities
Ventilation
Thermal load
2015
21 Citations (Scopus)

Measuring the exhaled breath of a manikin and human subjects

Xu, C., Nielsen, P. V., Gong, G., Liu, L. & Jensen, R. L., 2015, In : Indoor Air. 25, 2, p. 188-197 10 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Manikins
Respiration
Computational fluid dynamics
Impurities
Specifications
2017
12 Citations (Scopus)

Performance of constant exhaust ventilation for removal of transient high-temperature contaminated airflows and ventilation-performance comparison between two local exhausthoods

Huang, Y., Wanga, Y., Liu, L., Nielsen, P. V., Jensen, R. L. & Yang, X., 2017, In : Energy and Buildings. 154, p. 207-216 10 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Ventilation exhausts
Ventilation
Impurities
Temperature
2015
20 Citations (Scopus)

Influence of air stability and metabolic rate on exhaled flow

Xu, C., Nielsen, P. V., Gong, G., Jensen, R. L. & Liu, L., 2015, In : Indoor Air. 25, 2, p. 198-209 12 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Manikins
Air
Impurities
Mouth
Exhalation
2012
20 Citations (Scopus)

Airborne Cross-Infection Risk Between two People Standing in surroundings with a Vertical Temperature Gradient

Nielsen, P. V., Olmedo, I., Adana, M. R. D., Grzelecki, P. & Jensen, R. L., 2012, In : Science and Technology for the Built Environment. 18, 4, p. 552–561 10 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Thermal gradients
Thermal stratification
Ventilation
Gases
Experiments
2016
1920 Downloads (Pure)

Diffuse Ceiling Ventilation: design guide

Zhang, C., Yu, T., Heiselberg, P. K., Pomianowski, M. Z. & Nielsen, P. V., Nov 2016, Aalborg: Department of Civil Engineering, Aalborg University. 49 p. (DCE Technical Reports; No. 217).

Research output: Book/ReportReportResearch

File
Ceilings
Ventilation
Air
Diffusers (fluid)
Thermal comfort
2017
31 Citations (Scopus)

Short-range airborne transmission of expiratory droplets between two people

Liu, L., Li, Y., Nielsen, P. V., Wei, J. & Jensen, R. L., 2017, In : Indoor Air Online. 27, 2, p. 452-462

Research output: Contribution to journalJournal articleResearchpeer-review

Manikins
Ventilation
Humidity
Respiratory Tract Infections
Respiration
2014

Interpersonal Transport of Droplet Nuclei among Three Manikins in a Full-Scale Test Room

Liu, L., Nielsen, P. V., Jensen, R. L., Xu, C. & Li, Y., 2014, In : ASHRAE Transactions. 120, 8 p.

Research output: Contribution to journalConference article in JournalResearchpeer-review

Ceilings
Air
Gases
Experiments
Hot Temperature
2017
8 Citations (Scopus)

The lock-up phenomenon of exhaled flow in a stable thermally-stratified indoor environment

Zhou, Q., Qian, H., Ren, H., Li, Y. & Nielsen, P. V., 2017, In : Building and Environment. 116, p. 246-256

Research output: Contribution to journalJournal articleResearchpeer-review

mechanic
Thermal gradients
temperature gradient
Law
mechanics
2013
26 Citations (Scopus)

The Risk of Airborne Cross-Infection in a Room with Vertical Low-Velocity Ventilation

Olmedo, I., Nielsen, P. V., Adana, M. R. D. & Jensen, R. L., 2013, In : Indoor Air Online. 23, 1, p. 62-73 12 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Manikins
Cross Infection
Ventilation
Impurities
Respiration
2014
1 Citation (Scopus)

Effect of air stability on the continuous and periodic exhalation flow of a person

Xu, C. W., Gong, G. C., Wang, Y. D., Nielsen, P. V. & Liu, L., 25 Sep 2014, In : Hunan Daxue Xuebao/Journal of Hunan University Natural Sciences. 41, 9, p. 106-112 7 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Ventilation
Air
Trajectories
Smoke
Velocity measurement
2018
7 Citations (Scopus)
71 Downloads (Pure)

Computational fluid dynamics predictions of non-isothermal ventilation flow—How can the user factor be minimized?

van Hooff, T., Nielsen, P. V. & Li, Y., 2018, In : Indoor Air. 28, 6, p. 866-880 15 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
Hydrodynamics
Ventilation
Computational fluid dynamics
Turbulence models
Benchmarking
2014
306 Downloads (Pure)

Single-sided natural ventilation through a centre-pivot roof window

Iqbal, A., Nielsen, P. V., Gunner, A. & Afshari, A., Jul 2014, Proceedings Indoor Air 2014. USB-stick ed. Hong Kong: ISIAQ, p. 1-7 7 p. HP0226

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

Open Access
File
Roofs
Ventilation
Numerical methods
2016
39 Citations (Scopus)

Summary of best guidelines and validation of CFD modeling in livestock buildings to ensure prediction quality

Rong, L., Nielsen, P. V., Bjerg, B. & Zhang, G., 2016, In : Computers and Electronics in Agriculture. 121, February, p. 180-190 11 p.

Research output: Contribution to journalJournal articleResearchpeer-review

computational fluid dynamics
Agriculture
livestock
Computational fluid dynamics
fluid mechanics
2017

Displacement Ventilation

Kosonen, R. (ed.), Melikov, A. K. (ed.), Mundt, E. (ed.), Mustakallio, P. (ed.) & Nielsen, P. V., 2017, Forssa: REHVA : Federation of European Heating and Air-conditioning Associations. (Rehva Guidebook; No. 23).

Research output: Book/ReportBookResearchpeer-review

2016
9 Citations (Scopus)

Possible User-Dependent CFD Predictions of Transitional Flow in Building Ventilation

Peng, L., Nielsen, P. V., Wang, X., Sadrizadeh, S., Liu, L. & Li, Y., 2016, In : Building and Environment. 99, April, p. 130–141 12 p.

Research output: Contribution to journalJournal articleResearchpeer-review

computational fluid dynamics
Ventilation
ventilation
building
Computational fluid dynamics
2013

Mixing Ventilation: Guide on mixing air distribution design

Müller, D. (ed.), Kandzia, C., Kosonen, R., Melikov, A. K. & Nielsen, P. V., 2013, REHVA : Federation of European Heating and Air-conditioning Associations. 124 p. (Rehva Guidebook; No. 19).

Research output: Book/ReportBookResearchpeer-review

Ventilation
Air
Thermal comfort
Engineers
2012
1889 Downloads (Pure)

A Discussion of Low Reynolds Number Flow for the Two-Dimensional Benchmark Test Case

Weng, M., Nielsen, P. V. & Liu, L., 2012, Aalborg: Department of Civil Engineering, Aalborg University. 10 p. (DCE Technical reports; No. 116).

Research output: Book/ReportReportResearch

Open Access
File
Low Reynolds number
Ventilation
Benchmark
Reynolds Equation
Turbulence Model
2018
3 Citations (Scopus)

Influence of opening and closing process of sliding door on interface airflow characteristic in operating room

Zhou, B., Ding, L., Li, F., Xue, K., Nielsen, P. V. & Xudong, Y., 15 Oct 2018, In : Building and Environment. 144, October, p. 459-473 15 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Operating rooms
airflow
sliding
air
subversion
2016

Modelling of coughed droplets in a hospital ward

Sadrizadeh, S. & Nielsen, P. V., 2016, CLIMA 2016: proceedings of the 12th REHVA World Congress, 22-25 May 2016, Aalborg, Denmark. Heiselberg, P. (ed.). Aalborg: Department of Civil Engineering, Aalborg University, Vol. 5. 6 p. 54

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

Open Access
droplet
modeling
gravity
respiratory disease
infectious disease
2012

A Full-Scale Study of Exhaled Droplet Dispersion in the Microenvironment around one and two Persons

Nielsen, P. V., Li, Y., Khalegi, F., Møllerskov, A. & Liu, L., 2012. 8 p.

Research output: Contribution to conference without publisher/journalPaper without publisher/journalResearchpeer-review

infectious diseases
airborne infection
nuclei
microorganisms
routes
2014
9 Citations (Scopus)

Does a mobile laminar airflow screen reduce bacterial contamination in the operating room? A numerical study using computational fluid dynamics technique

Sadrizadeh, S., Tammelin, A., Nielsen, P. V. & Holmberg, S., 2014, In : Patient Safety in Surgery. 8, 1, 27.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
Hydrodynamics
Operating Rooms
Air
Ventilation
Operating Tables

Computational Fluid Dynamics and Ventilation Airflow

Nielsen, P. V., 2014, Proceedings of Indoor Air 2014. International Society of Indoor Air Quality and Climate, 21 p.

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

Ventilation
Computational fluid dynamics
Turbulence models
Smoke
Turbulent flow
2015

Numerical Simulations of Airflow and Droplet Dispersion in a Horizontal Ammonia Scrubber

Liu, L., Nielsen, P. V., Heiselberg, P. K., Lyngbye, M. & Granath, S., 2015, The Proceedings of the 11th International Conference on Industrial Ventilation. Zhang, Q. (ed.). Tongji University, Vol. 2. p. 615-623 9 p.

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

airflow
droplet
ammonia
simulation
vortex
2017

Advanced airflow distribution methods for reducing exposure of indoor pollution

Cao, G., Nielsen, P. V., Melikov, A. & Kosonen, R., 2017, Healthy Buildings Europe 2017. International Society of Indoor Air Quality and Climate, 0317

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

Ceilings
Thermal load
Pollution
Air
Flow patterns
2011

Influencia de Las Cargas Térmicas Sobre Flujos de Aire Generados en Una Habitacíon

Olmedo, I., Ruiz de Adana Santiago, M. & Nielsen, P. V., 2011, Libro de Actas: VII Congreso Nacional de Ingeniería Termodinámica. Energia Sostenible Frente al Cambio Climático. 8 p.

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

44 Citations (Scopus)

Observing and Quantifying Airflows in the Infection Control of Aerosol- and Airborne-Transmitted Diseases: an overview of approaches

Tang, J. W., Noakes, C. J., Nielsen, P. V., Eames, I., Nicolle, A., Li, Y. & Settles, G. S., 2011, In : Journal of Hospital Infection. 77, 3, p. 213-222 10 p.

Research output: Contribution to journalReview articleResearchpeer-review

Infection Control
Aerosols
Isolation Hospitals
Manikins
Hydrodynamics
2012
2388 Downloads (Pure)

Simulation with Different Turbulence Models in an Annex 20 Benchmark Test using Star-CCM+

Le Dreau, J., Heiselberg, P. & Nielsen, P. V., 2012, Aalborg: Department of Civil Engineering, Aalborg University. 22 p. (DCE Technical reports; No. 147).

Research output: Book/ReportReportResearchpeer-review

Open Access
File
Turbulence models
Flow patterns
Stars
2011

Disease Transmision and Physical Factors: An Experimental Study of Exhaled Substance Exposure Between Two Standing Manikins.

Liu, L., Yuguo, L., Nielsen, P. V. & Jensen, R. L., 2011, IAQ 2010 : Airborne Infection Control - Ventilation, IAQ, and Energy. Kuala Lumpur: American Society of Heating, Refrigerating and Air-Conditioning Engineers, Inc., p. 170-181 11 p.

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review