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Water vapor compression refrigerator performance of

Chu indicated that the results of the two methods are very close, but check the value of enthalpy entropy diagram of a method to read data from the chart when there is random error, and using the formula fitting the result is more stable. ∞: 8 ∞ ... ... ¨ black ¨: 3 ∞ Rubai, 7 ℃, respectively, when the water vapor as an ideal gas and real gas saturation process of changing compression ≥ power consumption and COP of a prostitute for a secluded 353 637 383 940 flea condensing temperature (℃) Figure 6 = IO ~ C, respectively, when the water vapor as an ideal gas and changing the actual compression of gas saturation power and COP Figure 5 and Figure 6 also shows that changing the compression process by saturated water vapor compressor, when the evaporation temperature is 7 ℃, the compressor power and shaft power are higher than the evaporation temperature when the power consumption is 10cC. The evaporation temperature is 7 ℃, when the condensing temperature from 35 When the evaporation temperature is 10 ℃, when the condensing temperature increases from 35 ℃ 40 ℃, the water vapor compression refrigerator coefficient of performance COP dropped to 10.0 from 12.0. Thus, changing the compression process by saturated water vapor compression refrigerator coefficient of performance was significantly higher than the isentropic compression process using water vapor compression refrigerator coefficient of performance, this is changing due to saturation in the heat of compression compression process are Cooling fluid is taken away. And isentropic compression process is similar to changing the compression process for the saturation, the water vapor as an ideal gas compression work and the calculated shaft power, and water vapor as the difference between the actual value of the gas are very small, and thus in the calculation of water vapor the performance of compression refrigerator water vapor can be handled as an ideal gas, the same can be satisfied with the results. 4 Conclusion Based on currently available data on water vapor and charts to get the water vapor pressure and specific volume between the functional relationship between these functions can be calculated using the water vapor compression refrigerator performance. The results shown by the middle of the cooling of water vapor with a compressor power consumption was significantly lower than the insulation of the water vapor compressor, which should be on the work of the compressor for cooling water vapor. Water vapor compression refrigerator performance results show that when the evaporation temperature is 7 ℃, when the condensing temperature is 40 ℃, isentropic compression of water vapor compression refrigerator coefficient of performance COP of 7.5,abercrombie outlet, while the saturation variable compression Water vapor compression refrigerator coefficient of performance COP of 9.0. Thus, for water vapor compression refrigerator, in addition to the refrigerant is water, is the real green refrigerants, in the same condition also has a class than the traditional CFC refrigerants to the refrigerant vapor compression chiller more high coefficient of performance. Thus, water vapor compression refrigerator is the future alternative to CFC vapor compression refrigerator with a very attractive refrigerator type. References 1Cavallini, A. , Steimle, F. , 1da'98. Os-1o,abercrombie milano, 19982SharonE. Wight, Il | l 'wren aYoshinaka, eta1. . IlEffleieaeyLimitsofWaterVapor0 ship ridicule West 300 meters (Fuchengmen Road, Building 67, Silver 1O floor) floor area of 920m2. existing 6om2,abercrombie uk, 85 floor area of office space, two companies can be rented to the industry. Astronautics, Beijing Silver Tower is located near the bridge. traffic, accommodation,tory burch uk, dining, shopping is very convenient. If interested, please contact the secretariat of the Institute. price negotiable. Contact: Qiuzhong Yue, ZHANG Ping,mac makeup wholesale, FAN Guang-Ti Tel :010-68715723, 68719984,687 l5724 fax -010-68434679. a l9 one. . 0U ¨ mm cricket
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