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重庆建筑工程学院与四川省简阳县空冷器厂合作,经过三年多时间上百次试验,研制成功了新一代JL系列氨高效节能冷风机。完成了四川省计经委下达的重点新产品研究和开发计划,并於1991年8月30日进行了省级鉴定。该系列产品有落地式和吊顶式两种型式,每种型式有9种型号,27个规格产品。该产品的特点有: 1、采用自行研制的“双V形长槽优化肋片管燕发器”,其空气侧换热系数αa比平板式肋片管高
Chongqing Institute of Architectural Engineering and Air-cooled Factory in Sichuan Province Jianye cooperation, after more than three years of hundreds of tests, the successful development of a new generation of JL series ammonia efficient air cooler. Completed the Sichuan Provincial Economic and Trade Commission issued key new product research and development plan, and in August 30, 1991 conducted a provincial appraisal. The series of products have two types of floor and ceiling type, each type has 9 models, 27 specifications products. The product features are: 1, the use of self-developed “double v-shaped slot optimization rib tube Yanfa,” the air-side heat transfer coefficient αa than the flat fin tube height