Shanghai Jiao Tong University Possible Contributions to New Task in solar cooling and heating Yanjun Dai 上海交通大学 Shanghai Jiao Tong University 机械与动力工程学院 10/18/2013 1
Contents Shanghai Jiao Tong University Introduction about Shanghai Jiao Tong University (SJTU); Solar cooling research in SJTU; Possible contributions to new task; 2
Shanghai Jiao Tong University (SJTU) Shanghai Jiao Tong University S hanghai Jiao Tong University (SJTU), directly subordinate to the Ministry of Education, is a key university in China, jointly run by the Ministry and Shanghai Municipality. Amongst Top 4 Universities in China. One of the strongest mechanical engineering faculties in China 3
About SJTU Shanghai Jiao Tong University I ts total enrollment of full-time students amounts to 30,000. There are 15,000 undergraduates and 15,100 candidates for Master's Degree and Doctor's Degree SJTU boasts 20 academic schools. It has five campuses, the Xuhui , the Minhang , the Qibao, the Fahuazheng Road and the Chongqing Road(south ) Leading positions in • Ocean engineering • Mechanical engineering • Energy conversion and power engineering • Electronics and Electric engineering • Clinical Medicine • Bio-science 4
Students in school of mechanical engineering Shanghai Jiao Tong University Students: 5 0 0 0 Ph.D. Candidates 1 6 0 / year ( 4 .5 year) Master of Science 4 0 0 / year ( 2 .5 year) Master of Engineering 4 5 0 / year ( 2 .5 year) Undergraduate 4 5 0 / year ( 4 year ) 5
Research Funding of M echanical Engineering school Shanghai Jiao Tong University 5 5 % - I ndustry Fund Fund ( US$ 1 M) 4 5 % - Com petitive Fund from Governm ent 49 50 45 40 37 33 35 30 23 25 20. 3 19. 1 20 15. 2 12. 1 15 8. 2 10 5 0 2002 2003 2004 2005 2006 2007 2008 2009 2010 6
SETP 3: System SETP 2: Chiller STEP 1: Fundamental Shanghai Jiao Tong University integration optimization products study research Water saving sorption cooling system Desiccant cooling system Solar PV cooling system Solar Water saving sorption chiller assisted heat pump Air cooled sorption chiller Desiccant dehumidification unit Adsorbent and desiccant performance study (such as silica gel-H 2 O, activated carbon-NH 3 , etc. ) Absorbent performance study (such as LiBr-H 2 O, NH 3 -H 2 O, etc. ) Solar collector l and component study (such as new concept collector, etc. ) High efficiency heat transfers study Solar Cooling Research in SJTU 7
Thermally driven chillers in SJTU Shanghai Jiao Tong University Adsorption ice making unit Adsorption chiller Single effect LiBr-H2O Two stage desiccant Single/Double effect cooling LiBr-H2O Rotary desiccant cooling 8
Recent development Shanghai Jiao Tong University Solar assisted CO2 heat pump with air cooled absorption cooling; Solar driven single/double effect absorption cooling system with Fresnel collector Solar driven double effect absorption cooling with parabolic collector Desiccant chiller driven by solar air collector Use of desiccant coating technology in solar air conditioning. Solar combined cooling and heating 9
Solar assisted CO2 heat pump air conditioning system Shanghai Jiao Tong University 10
Sol ar PV ai r condi t i oni ng uni t Shanghai Jiao Tong University Configuration Performance 0.1 ～ 7 kW Cooling capacity 0.12 ～ 9 kW Heating capacity 12.5% PV efficiency 80.2% Inverter efficiency 3 ～ 4.1 COP 0.3 ～ 0.41 Solar COP PV array 11
Sol ar assi st ed heat pum p Shanghai Jiao Tong University Electrical COP can approach 5-8 12
Solar assisted heat pump—Evaporator/collector Shanghai Jiao Tong University 13
Performance of solar assisted heat pump Shanghai Jiao Tong University Solar heat pump in sunny day Solar heat pump monthly average Air source heat pump Solar heat pump in rainy day 14
Possible contributions to new task Shanghai Jiao Tong University In terms of our background and the expertise at present, we would like to join the activities for • Subtask A: Components, systems& Quality • Subtask D: Dissemination & Market deployment 15
Possible contributions to Subtask A Shanghai Jiao Tong University Solar PV air conditioning system • PV and VC air conditioning matching; • Data acquisition • Improvement in VC air conditioning unit • … Solar assisted heat pump • Direct expansion solar heat pump for domestic hot water supply • Solar assisted heat pump for cooling and heating • PV/T hybrid heat pump/ components and systems 16
Possible Contributions for subtask D Shanghai Jiao Tong University Market potential investigation of China • Solar assisted heat pump • Solar PV air conditioning • … Trade off of the technology and the market • Life cycle analysis • Bottleneck analysis • … 17
Thanks for your attention
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