技术中心

【英文篇名】 Characteristics research of the generator in a single-effect solar absorption refrigeration system 【下载频次】 ★☆ 【作者】 王艳; 俞坚; 马重芳; 【英文作者】 Wang Yan; Yu Jian and Ma Chongfang Beijing University of Technology; Beijing; China; 【作者单位】 北京工业大学; 【文献出处】 暖通空调 , Heating Ventilating nbsp; 期刊荣誉：中文核心期刊要目总览 ASPT来源刊 中国期刊方阵 CJFD收录刊 【中文关键词】 太阳能吸收式制冷; 涡旋发生器; 数值模拟; 压力; 传热特性; 【英文关键词】 solar absorption refrigeration; vortex generator; numerical simulation; pressure; heat transfer characteristic; 【摘要】 数值模拟了流体在不同圆锥角度和不同入口尺寸的新型涡旋发生器中的压力分布和传热特性。结果表明,新型涡旋发生器可以有效降低吸收式制冷系统发生器内的蒸发压力和流体的发生温度,从而可以充分利用太阳能等低品位热源、提高系统的性能系数。 【英文摘要】 Numerically simulates the pressure distribution and heat transfer characteristics of fluid in a new vortex generator with different conic angles and different inlet sizes. The results indicate that the generator is beneficial to reducing the pressure in the generator and the saturate temperature of fluid, thus the solar energy and other low quality energies can be sufficiently used and the coefficient of performance of the absorption chiller system improved.