Research Fields

• Air Cleaning Technology; Building Energy Conservation Technology

Research Profile

Dr. ZHANG Wanyi (born August 1992) is a lecturer at the College of Architecture and Urban Planning, Tongji University. He received his Ph.D. degree in Heating, Gas Supply, Ventilation and Air-Conditioning Engineering from Tongji University in 2020 (jointly trained with the Department of Building Services Engineering, Hong Kong Polytechnic University). From 2021 to 2024, he worked as a postdoctoral researcher at the Materials Science and Engineering Postdoctoral Station, Tongji University. From February to July 2024, he served as Assistant General Manager at Yuzhe Electromechanical Engineering Consulting (Shanghai) Co., Ltd. Since August 2024, he has been teaching at Tongji University.

His main research focuses on Building Environment and Energy Application, with particular emphasis on air cleaning technology, performance optimization of high-efficiency filtration materials, and energy conservation in building energy systems. He has led multiple research projects funded by Shanghai Municipality and industry partners, and participated in sub-projects of the National Key R&D Program and the Shanghai 'Science and Technology Innovation Action Plan' for carbon peaking and carbon neutrality. He has published more than 20 SCI/EI academic papers, authorized 3 utility model patents, applied for 2 invention patents, and edited/participated in compiling 3 group standards of the China Refrigeration and Air-Conditioning Industry Association.

Current Courses

• Laboratory courses in HVAC and Heat Transfer

Publications in International Books, Journals, and Conferences

• Zhang S, Zhang W, Zhou X, Wang Y, Lin Z. Prediction of the dynamic pressure drop of filter media loaded with water mists based on the deposited droplet mass distributions and pore network model. Separation and Purification Technology, 2025, 354: 128679.

• Zhou X, Lin Z, Zhang W, Zhang S. Investigation of the filtration performance of electret media for deliquescent and non-deliquescent aerosols under different relative humidity. Indoor and Built Environment, 2025, 34(5): 1021-1035.

• Zhou X, Zhang W, Yuan X, Lin Z, Zhang S, Wang Y. Factors affecting the filtration performance of electret filter media: a review. Building and Environment, 2025: 113451.

• Zhang S, Zhang W, Zhou X, Wang Y, Lin Z. A prediction method for dynamic pressure drop in filter media pre-clogged with hygroscopic particles considering particle deformation in water mist. Separation and Purification Technology, 2025: 135038.

• Zhou X, Zhang W, Yuan X, Lin Z, Zhang S, Wang Y. The variation of the most penetrating particle size of electret filter media during usage under different humidity levels. Building and Environment, 2025: 114017.

• Zhang S, Zhang W, Zhou X, Lin Z. Interaction of water mists with bibulous filter media and hygroscopic particles in pressure drop jump of fibrous filter media. Chemical Engineering Science, 2024, 285: 119544.

• Zhang S, Zhang W, Xu H, Chen X, Li C, Wang W, Lin Z. Reference Limits for Fan Filter Unit Performance Indicators and Initial Equipment Selection (in Chinese). Journal of Tongji University (Natural Science), 2023, 51(2): 264-270.

• Zhang W, Wang D, Zhang S, Yang Z, Lin Z. Research on models for estimating aerodynamic and energy consumption performance of fan filter units (FFUs). Building and Environment, 2022, 207: 108516.

• Zhang W, Deng S, Zhang S, Yang Z, Lin Z. Energy consumption performance optimization of PTFE HEPA filter media during dust loading through compositing them with the efficient filter medium. Sustainable Cities and Society, 2022, 78: 103657.

• Zhang S, Zhang W, He T, Zhao H, Lin Z. Experimental investigations of the resistance performance of commercial cylinder filters and effect factors under humid airflows. Aerosol and Air Quality Research, 2022, 22(12): 220278.

• Li C, Lin Z, Zhang W, Chen X, Zhang S, Xu H. Study on Dust Loading Performance of Electret Composite Filter Media (in Chinese). Clean Air and Conditioning Technology, 2022.

• Wang W, Zhang S, Zhang W, Zhang X, Lin Z. Performance Comparison Test of Fan Filter Units (FFU) (in Chinese). Clean Air and Conditioning Technology, 2022.

• Chen X, Lin Z, Zhang W. Applicability Analysis of Composite Radiant Air Conditioning System in Cooling Season (in Chinese). Refrigeration and Air-Conditioning, 2022.

• Jiang N, Zhang W, Chen T, Lin Z. Structural Simulation and Optimization of a New Four-Channel Fan Filter Unit (in Chinese). Building Thermal Energy and Ventilation and Air Conditioning, 2022.

• Xu H, Lin Z, Zhang W, Zhang S, Li C, Chen X. Discussion on Artificial Dust and Dust Generation Methods for High-Efficiency Filter Dust Loading Performance Test (in Chinese). Heating Ventilating and Air Conditioning, 2022.

• Wang Y, Lin Z, Zhang W. Interaction between high humidity and hygroscopic aerosol on the filtration performance of electret media. Particulate Science and Technology, 2021, 39(6): 676-688.

• Wang Y, Lin Z, Zhang W, Xu B. Effects of solid particles with various charging states and oil aerosols on the filtration characteristics of electret media. Indoor and Built Environment, 2021, 30(8): 1173-1184.

• Zhang W, Deng S, Wang Y, Lin Z. Modeling the surface filtration pressure drop of PTFE HEPA filter media for low load applications. Building and Environment, 2020, 177: 106905.

• Wang Y, Lin Z, Zhang W. Comparison of effects of particle charging, media characteristics, humidity and aerosols on loading performance of electret media. Building and Environment, 2020, 179: 106962.

• Wang Y, Lin Z, Zhang W. Trajectory simulation of penetration and particle deposition of electret media with bipolarly charged fibers. Aerosol Science and Technology, 2020, 54(12): 1479-1491.

• Zhang W, Deng S, Lin Z. Pressure Drop and Accurate. In: Proceedings of the 11th International Symposium on Heating, Ventilation and Air Conditioning (ISHVAC 2019): Volume I: Indoor and Outdoor Environment. Springer Nature, 2020: 173.

• Wang Y, Lin Z, Zhang W. Effect of Particle Composition on the Continuous Loading Performance of Medium-and High-Efficiency Electret Media. In: The International Symposium on Heating, Ventilation and Air Conditioning. Springer Singapore, 2019: 461-468.

• Zhang W, Deng S, Lin Z. Theoretical Model for Surface Filtration Pressure Drop and Accurate Measurement Method of Dust Cake Porosity. In: The International Symposium on Heating, Ventilation and Air Conditioning. Springer Singapore, 2019: 173-180.

• Wang Y, Lin Z, Zhang W. Comparisons of the Different Discharge Performances and the Effect of Long-Term Loading with the Liquid Aerosol on Electret Media. In: The International Symposium on Heating, Ventilation and Air Conditioning. Springer Singapore, 2019: 787-795.

• Zhao C, Lin Z, Zhang W, Wang Y. Optimization of Dust Loading Performance of PTFE High-Efficiency Filter Media (in Chinese). Clean Air and Conditioning Technology, 2019(4): 1-5.

• Xiong W, Lin Z, Zhang W, Chen T, Zhao C. Experimental and simulation studies on dust loading performance of a novel electrostatic precipitator with dielectric barrier electrodes. Building and Environment, 2018, 144: 119-128.

• Zhang W, Deng S, Wang Y, Lin Z. Dust loading performance of the PTFE HEPA media and its comparison with the glass fibre HEPA media. Aerosol and Air Quality Research, 2018, 18(7): 1921-1931.

• Xiong W, Zhang W, Lin Z, Zhu W, Duan H. Simulation Study on Dust Loading Performance of New Electret Air Purification Device (in Chinese). Heating Ventilating and Air Conditioning, 2018(12).

• Liao M, Zhang W, Lin Z. Discussion on Calculation Method of Aerodynamic Overall Efficiency of Fan Filter Units (in Chinese). Clean Air and Conditioning Technology, 2016(2): 1-6.

• Liu H, Lin Z, Zhang W, Chen X. Study on Dust Loading Performance Based on PTFE High-Efficiency Filter Media Structure (in Chinese). Building Thermal Energy and Ventilation and Air Conditioning, 2016, 35(4): 35-37.

• Zhang W, He T, Lin Z. Study on PM2.5 Efficiency of General Ventilation Air Filters (in Chinese). Refrigeration and Air-Conditioning, 2015, 100: 105.

Grants and Awards

Research Projects

• Shanghai Science and Technology Innovation Action Plan for Carbon Peaking and Carbon Neutrality: Key Technologies Research and Demonstration for Energy Conservation and Carbon Reduction in Rail Transit Stations for 'Zero-Carbon Urban Rail' (2022-2025). Major Contributor.

• National Key R&D Program Sub-project: Sub-project 2.1 'Clean Room Particulate Filtration Technology and Product Research' of the 13th Five-Year National Key R&D Program 'Energy-Saving Design and Key Technical Equipment Research for Clean Air-Conditioning Plants' (2018-2021). Project Contact Person and Major Contributor.

• National Key R&D Program Sub-project: Sub-project 5.5 'Implementation and Effect Evaluation of Residential Ventilation and Air Purification Filtration Technology' of the 13th Five-Year National Key R&D Program 'Indoor Ventilation Strategies and Indoor Air Quality Creation for Residential Buildings' (2016-2019). Participant.