Présentation

Sujets de recherche

Buildings.

Disciplines de recherche

Civil Engineering, Mechanical Engineering.

Mots-clés

Building Energy efficiency, Building fire safety, Building ventilation.

Intérêts de recherche

Fire Safety; Building ventilation; Building energy efficiency;

Langues parlées et écrites

Anglais, Français, Mandarin

Prix et distinctions

• (2015) ASHRAE Graduate Student Grant-In-Aid. American Society of Heating, Refrigerating, and Air-Conditioning Engineers (ASHRAE). (Prize / Award).
• 2016 Chinese Government Award for Outstanding Self-financed Student Abroad. China Scholarship Council. (Prize / Award).
• Concordia Accelerator Award. Concordia University. (Prize / Award).
• Concordia University Conference and Exposition Award. Concordia University. (Prize / Award).
• Concordia University Full Tuition International Recruitment Award. Concordia University. (Prize / Award).
• Fonds de recherche du Québec - Nature et technologies (FRQNT) Postdoctoral research scholarship. Fonds de recherche du Québec - Nature et technologies (FRQNT). (Prize / Award).

Financement

Grant. (Awarded). Principal Investigator. Investigation of High-rise Building Ventilation for Achieving Safety and Energy Efficiency. Natural Sciences and Engineering Research Council of Canada (NSERC). Discovery Grants. 147500 $ (2019-2024).

Grant. (Awarded). Principal Investigator. Université de Sherbrooke Start-up Funds. (2018-2021).

Contract. (Awarded). Principal Investigator. Literature Review on Fire Safety of PV Panels and BIPVs. (2020).

Contract. (Completed). Co-investigator. Air curtain project Phase II, III, IV, and V – investigation of energy performance of air curtains. (2014-2017).

Grant. (Completed). Co-investigator. Contributions to building smoke management. (2012-2017).

Publications

Articles de revue

• Haohan Sha, Dahai Qi. (2020). A Review of High-Rise Ventilation for Energy Efficiency and Safety. Sustainable Cities and Society, (In Press).
• Haohan Sha, Dahai Qi. (2019). AReview of High-Rise Ventilation for Energy Efficiency and Safety. (Submitted).
• Chang Shu, Liangzhu (Leon) Wang, Cheng Zhang, Dahai Qi. (2019). Air Curtain Effectiveness Rating Based on Aerodynamics. Building and Environment, (In Press).
• Dahai Qi, Jun Cheng, Katal Ali, Leon Wang, Andreas Athienitis. (2019). Multizone Modeling of a Hybrid Ventilated High-rise Building based on Full-scale Measurements for Predictive Control. Indoor and Built Environment, (Accepted).
• Liangzhu Wang, Xin Zhang, Dahai Qi. (2019). Thermal Stratification in Built Environment and Its Statistical Distribution. Indoor Air, 29, 347-363. (Published).
• Senwen Yang, Hatem Alrawashdeh, Cheng Zhang, Dahai Qi, Liangzhu Wang, and Ted Stathopoulos. (2019). Wind Effects on Air Curtain Performance at Building Entrances. Building and Environment, 151, 75-87. (Published).
• Jun Cheng, Dahai Qi, Ali Katal, Ted Stathopoulos, and Liangzhu (Leon) Wang. (2018). Evaluating Wind-driven Natural Ventilation Potential for Early Building Designs. Journal of Wind Engineering & Industrial Aerodynamics, 182, 160-169. (Published).
• Dahai Qi, Sherif Goubran, Liangzhu Wang, and Radu Zmeureanu. (2018). Parametric Study of Air Curtain Performance based on Experiments and Numerical Simulation. Building and Environment, 129, 65-73. (Published).
• Sherif Goubran, Dahai Qi and Liangzhu Wang. (2018). Using Airflow and Energy Simulations to Assess the Energy Saving Impact of Vestibules and Air Curtains. ASHRAE Transactions, 124(2), 1-13. (Published).
• Sherif Goubran, Dahai Qi, and Liangzhu (Leon) Wang. (2017). Assessing Dynamic Efficiency of Air Curtain in Reducing Whole Building Annual Energy Usage. International Journal of Building Simulation, 10(4), 497-507. (Published).
• Sherif Goubran, Dahai Qi, Wael F. Saleh, and Liangzhu (Leon) Wang. (2017). Comparing Methods of Modeling Air Infiltration Through Building Entrances and Their Impact on Building Energy Simulations. Energy and Buildings, 138, 579-590. (Published).
• Dahai Qi, Liangzhu Wang, Jie Ji, and Man Li. (2017). Dimensionless Analytical Solutions for Steady-state Fire Smoke Spread through High-rise Shafts during Fires. Fire Safety Journal, 93, 12-20. (Published).
• Dahai Qi, Liangzhu Wang and Guanchao Zhao. (2017). Froude-Stanton Modeling of Steady-state Fire Smoke Spread in Large Vertical Spaces of High-rise Buildings. International Journal of Heat and Mass Transfer, 115, 706-716. (Published).
• Dahai Qi, Liangzhu Wang and Radu Zmeureanu. (2017). The Effects of Non-uniform Temperature Distribution on Neutral Plane Level in Non-adiabatic High-rise Shafts during Fires. Fire Technology, 53, 153-172. (Published).
• Sherif Goubran, Dahai Qi, Wael F. Saleh, Liangzhu (Leon) Wang and Radu Zmeureanu. (2016). Experimental Study on the Flow Characteristics of Air Curtains at Building Entrances. Building and Environment, 105, 225-235. (Published).
• Dahai Qi, Liangzhu Wang and Radu Zmeureanu. (2015). Modeling Smoke Movement in Shafts during High-rise Fires by a Multizone Airflow and Energy Network Program. ASHRAE Transactions, 121(2), 242-251. (Published).
• Dahai Qi, Liangzhu Wang and Radu Zmeureanu. (2014). An Analytical Model of Heat and Mass Transfer through Non-adiabatic High-rise Shafts during Fires. International Journal of Heat and Mass Transfer, 72, 585-594. (Published).

Rapports

• Dahai Qi, Jun Cheng, Liangzhu Wang. (2018). Energy Efficiency and De-icing of Approaches LOUIS-HIPPOLYTE-LA FONTAINE Tunnel without the Use of Salt (Phase 2): Ventilation Part. Concordia University. 23 p.
• Dahai Qi, Senwen Yang, Liangzhu Wang. (2017). Energy Efficiency and De-icing of Approaches LOUIS-HIPPOLYTE-LA FONTAINE Tunnel without the Use of Salt (Phase 1): Ventilation Part. Concordia University. 19 p.
• Senwen Yang, Dahai Qi, Cheng Zhang, Hatem Alrawashdeh, Wael Fairouz EzzEldin, Liangzhu Wang, Ted Stathopoulos. (2017). Wind Effects on Air Curtain Aerodynamics Performance-Full-size Wind Generator and Sub-scale Tests in Wind Tunnel. Concordia University. 59 p.

Articles de conférence

• Haohan Sha, Dahai Qi. (2020). A Novel Ventilation Approach of Large Vertical Space for Achieving Fire Safety and Energy Efficiency. ASHRAE, United States, (Accepted).
• Haohan Sha, Dahai Qi. (2019). Control of Mechanical Ventilation System for Ventilative Cooling in High-rise Buildings. The 11th International Symposium on Heating, Ventilation and Air Conditioning (ISHVAC). China, (Published).
• Haohan Sha, Dahai Qi. (2019). Energy And Fire Safety Performance of Atrium Ventilation In High-rise Buildings. Building Simulation 2019 Conference. Italy, (Published).
• Haohan Sha, Dahai Qi. (2019). Impact of fire protection design on ventilative cooling in atrium. Symposium on energy efficiency. CANCAM 2019. Canada, (Published).
• Chang Shu, Cheng Zhang, Dahai Qi, and Liangzhu Wang. (2018). Novel Method Relating Air Curtain Aerodynamics Performance to Its Effectiveness. 4th Asia Conference of International Building Performance Simulation Association - ASim2018. (Accepted).
• Dahai Qi, Weigang Li, Jun Cheng, and Liangzhu (Leon) Wang. (2018). Scale Modeling of Thermal Airflows in Buildings. COBEE2018 4th International Conference on Building Energy & Environment. (Published).
• Dahai Qi, Xin Zhang, Cheng Zhang, Andreas Athienitis, and Liangzhu Wang. (2018). Scale Modelling of Ventilative Buildings. eSim 2018 Conference, (Published).
• Dahai Qi, Malek Soubra, Shamim Mashayekh, and Liangzhu (Leon) Wang. (2017). CFD Modeling of Full-size High-rise Fire Smoke Spread and Smoke Control. ASHRAE 2017 Annual Conference. (Published).
• Jun Cheng, Dahai Qi, Ali Katal, and Liangzhu (Leon) Wang. (2017). Evaluating Natural Ventilation Cooling Potentials during Early Building Designs. 38th AIVC - 6th TightVent & 4th venticool Conference. (Published).
• Dahai Qi, Liangzhu (Leon) Wang, Guanchao Zhao, and Radu Zmeureanu. (2017). Scale Modeling of Smoke Spread in High-Rise Shafts during Fires. 2017 ASHRAE Winter Conference, (Published).
• Jun Cheng, Dahai Qi, Liangzhu (Leon) Wang, and Andreas Athienitis. (2017). Whole-Building Simulation of Hybrid Ventilation based on Full-scale Measurements in an Institutional High-rise Building for Predictive Control. Building Simulation 2017 Conference. (Published).
• Sherif Goubran, Dahai Qi, Wael Fairouz EzzEldin Saleh, Liangzhu (Leon) Wang, and Radu Zmeureanu. (2016). Validation of Computational Fluid Dynamics (CFD) Modeling of Airflow Infiltration through Building Entrance Doors. eSim 2016 Conference. (Published).
• Sherif Goubran, Dahai Qi and Liangzhu Wang. (2015). Annual Energy Saving Impact of Air Curtains in Commercial Reference Buildings. ISHVAC-COBEE 2015 Conference. (Published).
• Dahai Qi, Sherif Goubran, Radu Zmeureanu, and Liangzhu Wang. (2015). Effect of People on Infiltration of Building Entrance with Air Curtains. ISHVAC-COBEE 2015 Conference. (Published).
• Dahai Qi, Liangzhu Wang, and Radu Zmeureanu. (2014). A Hand Calculation Method of Smoke Movement through High-rise Airtight Single Shaft. ASHRAE 2014 Annual Conference. (Published).
• Dahai Qi, Liangzhu Wang, and Radu Zmeureanu. (2014). Verification of a Multizone Airflow and Energy NetworkModel by Analytical Solutions to Stack-driven Flows in Buildings. eSim 2014 Conference. (Published).
• Dahai Qi, Liangzhu Wang, and Radu Zmeureanu. (2013). Large Eddy Simulation of Thermal Comfort and Energy Utilization Indices for Indoor Airflows. ASHRAE 2013 Annual Conference. (Published).

Propriétés intellectuelles

Licenses

• Novel Control Method for Dynamics and Optimal Energy Performance of Air Curtains. (In Negotiation).

Autres contributions

Cours enseignés

• HVAC Mechanical Systems. GBA415. (2019-08-26). Niveau : Undergraduate. (3CR).

Activités de collaboration internationale

• Leader of Subtask C: Field Studies. (2018-2023). Australia. IEA EBC Annex 80 - Resilient Cooling.
• Main participator. (2014-2017). Canada. Collaborate with the State Key Laboratory of Fire Science University of Science and Technology of China for the project of Fire Protection in High-rise Buildings.

Présentations

• (2019). Control of Mechanical Ventilation System for Ventilative Cooling in High-rise Buildings. ISHVAC 2019. Harbin, China.
• (2019). Energy And Fire Safety Performance Of Atrium Ventilation In High-rise Buildings. Building Simulation 2019 Conference. Rome, Italy.
• (2018). An Introduction of Building Energy Audit. ASHRAE Student Branch at Université de Sherbrooke. Sherbrooke, Canada.
• (2018). Scale Modeling of Thermal Airflows in Buildings. COBEE2018 4th International Conference on Building Energy & Environment. Melbourne, Australia.
• (2018). Scale Modelling of Ventilative Buildings. eSim 2018. Montreal, Canada.
• Dahai Qi. (2017). Analytical Modeling of Smoke Movement in High-rise Buildings. Collaboration communication with the University of Science and Technology of China. Hefei, China.
• Dahai Qi. (2017). Froude-Stanton Modeling of Smoke Movement in Large Vertical Space of High-rise Buildings. Collaboration communication with Shanghai Research Institute of Building Sciences (SRIBS). Shanghai, China.
• Dahai Qi. (2017). Whole-Building Simulation of Hybrid Ventilation based on Full-scale Measurements in an Institutional High-rise Building for Predictive Control. NSERC/Hydro-Québec Industrial Research Chair 2017 Workshop. Varennes, Canada.
• Dahai Qi. (2016). Simplified Airflow Network Modeling of Hybrid Ventilation in an Institutional High-rise Building. NSERC/Hydro-Québec Industrial Research Chair 2016 Workshop. Shawinigan, Canada.
• Dahai Qi. (2016). Validation of Computational Fluid Dynamics (CFD) Modeling of Airflow Infiltration through Building Entrance Doors. eSim 2016 conference. Hamilton, ON., Canada.
• Dahai Qi. (2016). Validation of Numerical Modeling of Air Infiltration through Building Entrance Doors. Centre for Zero Energy Building Studies (CZEBS) Workshop. Montreal, Canada.
• Dahai Qi. (2015). Annual Energy Saving Impact of Air Curtains in Commercial Reference Buildings. ISHVAC-COBEE 2015 Conference. Tianjing, China.
• Dahai Qi. (2015). Effect of People on Infiltration of Building Entrance with Air Curtains. ISHVAC-COBEE 2015 Conference. Tianjing, China.
• Dahai Qi. (2014). Analytical and Numerical Models of Fire Smoke Transport in High-rise Buildings. Centre for Zero Energy Building Studies (CZEBS) Workshop. Montreal, Canada.
• Dahai Qi. (2014). Verification of a Multizone Airflow and Energy Network Model by Analytical Solutions to Stack-driven Flows in Buildings. eSim 2014 Conference. Ottawa, Canada.