1Experimental study of multi-split air conditioner on technology of condensation heat defrostingDAI Chuanmin, LAO Chunfeng, WEI Wei, MA Changming, TENG Zhaolong, SUN Ping2-42Design and research of two door double fan air-cooled refrigeratorBIAN Zhaobin, GONG Jiuling, ZHOU Wen, ZOU Lei, MA Rongrong5-83Abnormal performance analysis and optimization of parallel flow heat exchangerCHEN Pengyu, HE Changye, LIN Chaojie, WU Sheng9-134Solution of air-conditioner condensation problem based on bionic functional structureLIU Fashen14-185Cascade heating development of direct heating water heater with gas and heat pumpGUO Yanlong, GUAN Jiangyong, YAN Wei, HE Zikun, MO Fanlong19-226Research on constant temperature dehumidification function of inverter air conditionerZHU Jinquan23-257Experimental research on the influence of the tube diameter of the finned evaporator for refrigerator on the heat transfer performanceYANG Yousheng, WANG Guoqing, SUN Bin, SHI Yinghui26-298Design optimization of dual-engine heat exchange system coupled with double bypass fansTIAN Jun, CHENG Chao, MA Yuexin, WANG Bo30-359Research on design of coupled draught fan and improvement of comfort based on aviation double bypassWANG Bo, CHENG Chao, ZHOU Kai, MA Yuexin, MA Lie36-3910Research on design and water distribution of double temperature circuits of air-to-water heat pumpLI Dongzhe, PAN Cuilian, CHEN Weixing, GAO Ge, FAN Chengdong40-4311Research on aerodynamic performance optimization of fresh air module for wall-mounted air conditionerZHANG Youcai, GAO Xu, DAI Siquan, ZHOU Xiaohua44-4612The influence of current compensation value on low-temperature intermediate refrigeration performanceZHANG Jun, HU Xin47-5013Research on multi-connected radiant air conditioning system based on bidirectional iterative discrete algorithmYAN Fuqiang, ZHAO Zhanwen, QIN Hongliang, WANG Zhigang, CAO Rui, WU Lintao51-5614Typical case analysis of air conditioning system leakage failureMAO Xishao, YANG Wenjun, GAN Lirong57-6015Research on the effect of hypobaric storage on fresh-keeping of fruits and vegetablesLUO Chen, ZHOU Xiaodong, JU Xiaochen, ZHAO Yuanhui, QIAN Siyu, XU Pengfei61-6516Analysis and improvement on the problem of low frequency transmitting sound in air conditionerZHANG Danwei, SUN Yixiang, WANG Weige66-6817Optimal design of impeller structure of range hood based on noise analysisLIU Fan, MENG Yongzhe, GUAN Guohu69-7118Experimental and numerical simulation study on optimal design of air duct for high-speed blenderZHANG Suling, LIU Fengshou, CHEN Feifan72-7619Acoustic noise improvement of air-conditioning fan with proportional resonant controllerZHANG Kai, CHENG Yunfeng, WANG Tong, XU Peilin77-8120A satisfaction grading method for sound quality of household appliancesDANG Bo, CHEN Kean, LI Hao, YU Weiwei82-85 