技术中心

【英文篇名】 Experimental investigation on the influence of metering device on the degradation coefficient of unitary air-conditioning equipment 【下载频次】 ☆ 【作者】 饶荣水; 宋铭; 刘丽刚; 蔡宗军; 许洪飞; 【英文作者】 Rao Rongshui Song Ming Liu Ligang Cai Zongjun Xu Hongfei（Guangdong Midea Commercial Air-conditioner Equipment Co.; Ltd.）; 【作者单位】 广东美的商用空调设备有限公司; 【文献出处】 制冷与空调 , Refrigeration and Air-Conditioning, 编辑部邮箱 2009年 03期 期刊荣誉：ASPT来源刊 CJFD收录刊 【中文关键词】 Cd系数; 季节能效比; 热力膨胀阀; 毛细管; 空调; 【英文关键词】 degradation coefficient（Cd）; SEER; thermal expansion valve（TXV）; orifice; air-conditoning; 【摘要】 试验研究热力膨胀阀和节流阀芯对空调Cd系数的影响,测试数据表明,与采用节流阀芯的空调系统相比,采用热力膨胀阀的空调系统Cd系数降低47.5%～63.4%,整机SEER提高0.5左右。建议SE-ER值高于15的定速空调系统采用热力膨胀阀进行节流。 【英文摘要】 Carries out the experimental investigation on the influence of TXV and orifice on the degradation coefficient.It shows that the degradation coefficient of an air conditioner with a TXV metering device is 47.5%~63.4% lower than that with an orifice metering device,and the SEER is 0.5 higher as well.It is suggested that a TXV should be employed in a fixed speed air conditioner for metering device with the requirement of 15 SEER.