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| Content Provider | The American Society of Mechanical Engineers (ASME) Digital Collection |
|---|---|
| Author | Cao, Jiacong Liu, Cheng |
| Copyright Year | 2008 |
| Abstract | In this study, the retrofit project describes the conversion of the air-conditioning system at No.4 College Building in Donghua University in Shanghai China, to a building cooling heating and power (BCHP) system. This includes the optimal retrofit design models of the BCHP system, of which the exergetic efficiency and annual costs (AC) of the system are the separate objective functions. The retrofit scheme is planned to insert gas engines as prime movers into the original system, which have adopted gas-fired absorption chillers. The solutions of the optimization problems show that such retrofit can result in a remarkable rise in exergetic efficiency but is not currently viable with current fuel prices. The contradictory solutions reveal a gap between the current energy prices system of the country and the present energy situation. It is really an urgent task to reform the energy prices system in China. Further investigation gives the critical lines of which each divides the coordinate plane of natural gas-electric prices into 2 parts, viz., of benefit and deficit. It is found if the electric price rises to a certain extent, say a rise of USD0.0238, the retrofit will reach both a positive benefit and a remarkable increase in exergetic efficiency. Discussion and conclusions have been given and may be helpful for other similar retrofit projects that aim to both energy saving and benefits. |
| Sponsorship | Advanced Energy Systems Division and Solar Energy Division |
| Starting Page | 793 |
| Ending Page | 800 |
| Page Count | 8 |
| File Format | |
| ISBN | 9780791843192 |
| DOI | 10.1115/ES2008-54252 |
| e-ISBN | 0791838323 |
| Volume Number | ASME 2008 2nd International Conference on Energy Sustainability, Volume 1 |
| Conference Proceedings | ASME 2008 2nd International Conference on Energy Sustainability collocated with the Heat Transfer, Fluids Engineering, and 3rd Energy Nanotechnology Conferences |
| Language | English |
| Publisher Date | 2008-08-10 |
| Publisher Place | Jacksonville, Florida, USA |
| Access Restriction | Subscribed |
| Subject Keyword | Exergetic efficiency Bchp Air-conditioning Gas-fired absorption chiller Optimal design Annual costs Air conditioning Design Absorption |
| Content Type | Text |
| Resource Type | Article |
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