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| 1 | Experimental research on a new solar pumw-free lithium bromide absorption refrigeration system with a second generator显示文摘 | Gu Yaxiu Wu Yuyuan Ke Xin | 2008 | Solar Energy2008，82，1： | 1 |
| 2 | Theoretical Analysis of Annular Elliptic Finned Tube Evaporative Condenser Based on Field Measurement显示文摘In this article,a new evaporative condenser with an annular elliptic firmed tube heat exchanger that includes a round inner tube and elliptic outer finned tube was designed and analyzed.The refrigerant flows between the round inner tube and the elliptic outer tube,and it simultaneously exchanges heat with the cooling water in the inner tube,the spray water,and the cooling air flowing past the outer tube.Using field measurement for the traditional round finned tube evaporative condenser in the Futong Metro Station of Line 14 in Beijing,China,the theoretical heat transfer performance of the annular elliptic finned tube evaporative condenser was analyzed and simulated.Compared with a round finned tube heat exchanger,the heat exchange capacity of the annular elliptic finned tube increased by 2.34%to 9.28%;the total heat transfer coefficient increased by 47.42%,and the power consumption of the fan in the air-conditioning system with an annular elliptic finned tube heat exchanger decreased by 11.18%to 14.65%.Therefore,the energy-saving performance and the heat transfer performance of the new annular elliptic finned tube heat exchanger were enhanced compared to the round finned tube heat exchanger. | GU Yaxiu WANG Junwei WANG Xinru Ll Mohua PAN Song LIU Guangdong WANG Wentao GING Zexiang | 2020 | Journal of Thermal Science2020，29，5： | 1 |
| 3 | An improved window opening behavior model involving the division of the dummy variable’s interval level:Case study of an office building in Xi’an during summer显示文摘Window opening behavior significantly impacts indoor air quality,thermal comfort,and energy consumption.A field measurement was carried out in three typical rooms(a standard office,a meeting room and a smoking office)within an office building.The window state and the physical environment were continuously recorded during the measured periods.Three typical window opening behaviors were found in the measured samples,namely,active,moderate,and passive.The common logistic regression coefficient indicated that solar radiation exhibited the greatest effect on window opening behavior in the smoking office and standard office.Typically,window opening behavior in the meeting room was the most strongly correlated with time of the day,mainly because of the meeting schedule for occupants in the meeting room.This study discussed the dividing principles involved in setting the dummy variable interval level(discretizing continuous variables and dividing them into different intervals),and proposed a method to determine the optimal interval level of each variable.The improved model led to the increase in the prediction accuracy rate of the window being opened by 2.0%and 3.3%according to the comparison with the original model based on dummy variables and the common model based on continuous variables,respectively.This study can provide a reference value for simulating energy consumption in office buildings in the future. | Yaxiu Gu Tingting Wang Qingqing Dong Zhuangzhuang Ma Tong Cui Changgui Hu Kun Liu Song Pan Qian Qi Minyan Xie | 2023 | Building Simulation2023，16，11： | 0 |
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