Energy use in Buildings: Past, Present, and Future
China consumed 22% of the world’s energy produced and the United States 16% as the two top world energy consumers. Building heating and cooling in China used 18% of its total primary energy while the figure for the United States was 13%. This presentation will give an overview of the energy used in buildings in the two countries in recent history. We will compare the trend of the energy use due to technology development for buildings and improved living standards. Then we will compare the strategies in the two countries for reducing energy use in buildings and discuss the similarities and differences. A few case studies will be used to illustrate the impact of the strategies on energy use in buildings. The presentation will also show the barriers in using the strategies and pinpoint to the future directions of energy conservations in the two countries.
Dr. Chen earned his B.Eng. in 1983 from Tsinghua University and M.Eng. in 1985 and Ph.D. in 1988 from the Delft University of Technology (TU Delft). He conducted his post-doctoral research as a Research Scientist at the Swiss Federal Institute of Technology (ETH-Zurich) and worked as a Project Manager for TNO in the Netherlands. Before he joined Purdue University, he was a faculty member at TU Delft and the Massachusetts Institute of Technology. Dr. Chen has many other parallel appointments in his career, such as Honorary Professor at RMIT University in Australia, Otto Monsted Visiting Professor at the Technical University of Denmark, New Millennium Yuelu Outstanding Visiting Professor at Hunan University in China, Professorial Fellow at the Cardiff University in the UK, Research Fellow at the Chinese Academy of Sciences, Visiting/Guest/Adjunct Professor at Tokyo Polytechnic University in Japan, Helsinki University of Technology in Finland, and Tianjin University, Harbin Institute of Technology, Tsinghua University, Southeast University, Dalian University of Technology, Xi’an Jiaotong University, Soochow University, Centra South University, Hunan University and Guangzhou University in China. In addition, he has co-supervised Ph.D. students from the Eindhoven University of Technology in the Netherlands, the University of Cagliari and the University of Padua in Italy, and the Queensland University of Technology in Australia. Dr. Chen’s current research topics include indoor environment, aircraft cabin environment, and energy-efficient, healthy, and sustainable building design and analysis. He has published three books and over 470 journal and conference papers and has been invited to deliver more than 170 lectures internationally.
In recent years, Chen has received several technical papers and poster awards and Distinguished and Exceptional Service Awards from the ASHRAE. He is a recipient of the CAREER award from the National Science Foundation in the United States. Dr. Chen has also received the Willis J. Whitfield Award “for significant contributions to the field of contamination control through numerous published papers, studies, and reports” from the Institute of Environmental Sciences and Technology, John Rydberg Gold Medal for “outstanding contribution to the advancement of modelling and measurement of ventilation and air distribution in buildings” from the Scandinavian Federation of Heating, Ventilating, and Sanitary Engineering Associations, and Distinguished Service Award that is “to recognize individuals who have made substantial contributions to the field of building performance simulation over the course of their careers” from the International Building Performance Simulation Association (IBPSA). He is a fellow of the ASHRAE and the International Society of Indoor Air Quality (ISIAQ). Before he became the Editor-in-Chief of the Building and Environment journal, he served as an associate editor of the HVAC&R Research journal and was a member on the editorial boards of six other journals.