Possible Contributions to New Task in solar cooling and heating - - PowerPoint PPT Presentation

▶
possible contributions to new task in solar cooling and
SMART_READER_LITE
LIVE PREVIEW

Possible Contributions to New Task in solar cooling and heating - - PowerPoint PPT Presentation

Nov 11, 2022 120 likes •314 views

Shanghai Jiao Tong University Possible Contributions to New Task in solar cooling and heating Yanjun Dai Shanghai Jiao Tong University 10/18/2013 1 Contents Shanghai Jiao Tong University

slide-1
SLIDE 1

Shanghai Jiao Tong University

1

上海交通大学 机械与动力工程学院

Possible Contributions to New Task in solar cooling and heating

Yanjun Dai Shanghai Jiao Tong University 10/18/2013

slide-2
SLIDE 2

Shanghai Jiao Tong University

2

Contents

Introduction about Shanghai Jiao Tong University (SJTU); Solar cooling research in SJTU; Possible contributions to new task;

slide-3
SLIDE 3

Shanghai Jiao Tong University

3

Shanghai Jiao Tong University (SJTU)

Shanghai 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

slide-4
SLIDE 4

Shanghai Jiao Tong University

4

About SJTU

Its 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
slide-5
SLIDE 5

Shanghai Jiao Tong University

5

Students in school of mechanical engineering

 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 )

slide-6
SLIDE 6

Shanghai Jiao Tong University

6

Research Funding of M echanical Engineering school

  • 8. 2
  • 12. 1
  • 15. 2
  • 19. 1
  • 20. 3

23 33 37 49

5 10 15 20 25 30 35 40 45 50

2002 2003 2004 2005 2006 2007 2008 2009 2010

Fund ( US$ 1 M)

5 5 % - I ndustry Fund 4 5 % - Com petitive Fund from Governm ent

slide-7
SLIDE 7

Shanghai Jiao Tong University

7

STEP 1: Fundamental research SETP 2: Chiller products study SETP 3: System integration optimization

Air cooled sorption chiller Desiccant dehumidification unit Adsorbent and desiccant performance study (such as silica gel-H2O, activated carbon-NH3, etc. ) Water saving sorption cooling system Desiccant cooling system Solar PV cooling system Absorbent performance study (such as LiBr-H2O, NH3 -H2O, etc. ) Solar collector l and component study (such as new concept collector, etc. ) High efficiency heat transfers study

Solar Cooling Research in SJTU

Water saving sorption chiller Solar assisted heat pump

slide-8
SLIDE 8

Shanghai Jiao Tong University

8

Thermally driven chillers in SJTU

Adsorption chiller Adsorption ice making unit Single effect LiBr-H2O Rotary desiccant cooling Two stage desiccant cooling Single/Double effect LiBr-H2O

slide-9
SLIDE 9

Shanghai Jiao Tong University

9

Recent development

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

slide-10
SLIDE 10

Shanghai Jiao Tong University

10

Solar assisted CO2 heat pump air conditioning system

slide-11
SLIDE 11

Shanghai Jiao Tong University

11

Sol ar PV ai r condi t i oni ng uni t

Performance Cooling capacity 0.1～7 kW Heating capacity 0.12～9 kW PV efficiency 12.5% Inverter efficiency 80.2% COP 3～4.1 Solar COP 0.3～0.41

Configuration

PV array

slide-12
SLIDE 12

Shanghai Jiao Tong University

12

Sol ar assi st ed heat pum p

Electrical COP can approach 5-8

slide-13
SLIDE 13

Shanghai Jiao Tong University

13

Solar assisted heat pump—Evaporator/collector

slide-14
SLIDE 14

Shanghai Jiao Tong University

14

Performance of solar assisted heat pump

Solar heat pump in sunny day Solar heat pump monthly average Air source heat pump Solar heat pump in rainy day

slide-15
SLIDE 15

Shanghai Jiao Tong University

15

Possible contributions to new task

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
slide-16
SLIDE 16

Shanghai Jiao Tong University

16

Possible contributions to Subtask A

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
slide-17
SLIDE 17

Shanghai Jiao Tong University

17

Possible Contributions for subtask D

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
  • …
slide-18
SLIDE 18

Thanks for your attention