2015 Fiscal Year Final Research Report
Development of the actual performance simple evaluation method of vapor compression air-cooled air conditioners suitable to warming and power saving era
| Project/Area Number |
25420167
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Multi-year Fund |
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| Section | 一般 |
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| Research Field |
Thermal engineering
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| Research Institution | Osaka City University |
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Principal Investigator |
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| Project Period (FY) |
2013-04-01 – 2016-03-31
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| Keywords | 空調機 / 実性能 / 温暖化 / 節電 / 冷媒温度 / 冷媒流量 / 加速度センサー / 水噴霧 |
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| Outline of Final Research Achievements |
Actual performance simple evaluation method of vapor compression air-cooled air conditioners suitable to warming and power saving era has been developed experimentally.
At first, refrigerant’s temperatures along heat transfer tubes at indoor heat exchanger and outdoor heat exchanger were measured precisely. From measurement results, pressure-enthalpy diagram was calculated, and the air conditioner's performances ware predicted. Also, rotation speed of a hermetic type rotary compressor was measured by using an acceleration sensor. Then actual refrigerant flow rate was predicted based on the rotation speed of the compressor, furthermore air conditioner performance was calculated. Moreover, effect of water spray for an air conditioner’s outdoor unit was revealed experimentally by the above measuring method.
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| Free Research Field |
熱工学
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