REASEARCH AND TEACHING INTERESTS
On-line building energy monitoring system and building energy diagnostics;
Industrial waste heat application for districting heating system;
HVAC system inovation
EDUCATION
2005,12
Ph.D. Building Environment and Services, Dept. of Building Science, School of Architecture, Tsinghua University, China
Subject: Building environment and technology
Topic: Research on Optimization Control of the Variable Refrigerant Flow (VRF) Air-conditioning System
2003.12
M.S. Lab. of Thermodynamics, Faculty of Applied Sciences, University of Liege, Belgium
Subject: Thermal dynamics engineering
Topic: Experimental Study and Modeling on the heat Recovery Multi-split Systems
1999.07
B.S. Heating, Ventilating & Air Conditioning Engineering, Dept. of Thermal Engineering, Tsinghua University, China
PROFESSIONAL EXPERIENCE
2011.12~ Present:
Associate professor, Department of Building Science, School of Architecture, Tsinghua University, China
2008.6~ 2011.12:
Associate professor, Department of Building Science, School of Architecture, Tsinghua University, China
2007.4 ~ 2009.4:
Visiting Professor, Penn/Tsinghua T.C. Chan Center for Building Simulation and Energy Studies School of Design, University of Pennsylvania, USA
Research Projects
The 11th 5-year national plan project: Simulation toolkit and design method for energy efficient building design, sponsored by Ministry of Science and Technology, 2006-2010
UPENN, USA: Research on the mechanical systems control strategies to lower the energy consumption of on-campus buildings, Project Leader, 2006~present
IEA, USA: Annex48, Heat pumping and reversible air conditioning, Participant, 2006~present
UTRC, USA: Integrated building system, Project leader, 2006~2008
Daikin, Japan: Development of VRV Module Built in DeST, Project Leader, 2006~present
Electrabel, European Energy Company: Energy performance comparing between the conventional cooling-ceiling system and variable refrigerant flow (VRF) system, Researcher and chief editor of final report, 2000~2003
Siemens, Belgiun: Experimental investigation of a train-used HVAC group, Researcher, 2002
DTC, Belgium: Commissioning and on-site investigation of the heat recovery VRF system in building, Researcher, 2000
IEA, USA: Annex 40, Commissioning of Building and HVAC System for improved energy performance, Participant, 2000
DeST: Designer’s Simulation Toolkit, Major Developer.1999~present2.
Courses taught
1. Undergraduate
Pump and Fan (30 students in Autumn semester)
Fluid network (30 students in Spring semester)
2. Graduate
Commercial building energy diagnostics (15 students, Tsinghua-Upenn Joint course in Autumn semester)
HONORS AND AWARDS
PROFESSIONAL AFFILITIONS AND ACTIVITIES
Conference
2012.1 Finland, Helsinki, VTT, workshop, “Present situation of building energy consumption for heating in China”;
2012.3 USA, Philadelphia, Greater Philadelphia Innovation Cluster(GPIC) Advisory Board Meeting;
2012.4 Denmark, Copenhagen, IEA DHC Annex XI: Smart DHC Networks in Low Temperature Energy Systems;
2012.8 Iceland Reykjavik, IEA DHC Annex XI: Smart DHC Networks in Low Temperature Energy Systems;
2012.11 Germany, Frankfort, IEA DHC ExCo Meeting;
Social organization
PUBILICATIONS
Journal papers
1) Jianjun Xia, He Xiao, L Chang and Yi Jiang, Case study of data-oriented approach for building energy performance investigation, Front. Energy Power Eng. China 2010
2) Xie Xiaona, Jiang Yi, Xia Jianjun, A new approach to compute heat transfer of ground-coupled envelope in building thermal simulation software, Energy and building, 2008(40) p476-485.
3) Xiaoliang Zhang, Jianjun Xia, Ziyan Jiang, Jiyi Huang, etc, DeST- An Integrated Building Simulation Tookit Part II: Applications. Building simulation. 2008 Issue 1, p193-209.
4) Liu Xiaohua, Jiang Yi, Xia Jianjun and Chang Xiaomin, Analytical solutions of coupled heat and mass transfer processes in liquid desiccant air dehumidifier/regenerator, Energy Conversion and Management, 48 (7), p.2221-2232, Jul 2007.
5) Jianjun Xia, Da Yan, Yi, jiang, Building environment design simulation software DeST(9): Simulation and analysisi of cooling plants (part 1), Journal of HV&AC, 2005,3, p56~64
6) Da Yan, Jianjun Xia , Yi, jiang, Building environment design simulation software DeST(9): Simulation and analysisi of cooling plants (part 2), Journal of HV&AC, 2005,4, p42~53
7) Jianjun Xia, Eric Winandy, Bernard Georges and Jean Lebrun. Experimental analysis of the performances of variable refrigerant flow systems, Building Services Engineering Research and Technology, v 25, n 1, 2004, p 17-23.
8) Chai Qinhu, Ma Guoyuan, Jiang Yi, Xia Jianjun. Thermodynamic analyses of scroll refrigeration system with economizer. Journal of Tsinghua University, v 43, n 10, October, 2003, p 1401-1404.
Selected conference proceedings
1) Qi Shen, Alison Lu, Jianjun Xia*, Daily Energy Consumption Density Analyzing Method for Hourly Data Monitoring System,Procedding of COBEE’2012,University of Colorado, Boulder, , USA,2012 Aug 1-4;
2) Hao Fang, Jianjun Xia*, Yi Jiang, An Operation Strategy for using a Ground Heat Exchanger System for Industrial Waste Heat Storage and Extraction,Procedding of COBEE’2012,University of Colorado, Boulder, , USA,2012 Aug 1-4;
3) B.Yan*, J.J.Xia, A. Malkawi Case study of Building energy use pattern analysis, Proceedings of the International Symposium on Heating, Ventilation and Air-conditioning ISHVAC 2011.Shanghai, CHINA
4) Hao Fang, Jianjun Xia*, Yi Jiang, Utilization of industrial waste heat for district heating, Proceedings of the International Symposium on Heating, Ventilation and Air-conditioning, ISHVAC 2011.Shanghai, CHINA
5) Qi Shen, Jianjun Xia*, Yi Jiang, Case study on energy performance and retrofitting technologies for a resort hotel, Proceedings of the International Symposium on Heating, Ventilation and Air-conditioning ISHVAC 2011.Shanghai, CHINA
6) Yan Da, Tang Wai-yin, XIA Jianjun and Jiang Yi, A study on HVAC scheme design simulation methodology, Proceedings of the System Simulation in Buildings Conferences, 2006, Liège-Belgium.