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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。
The pressure distribution and heat transfer characteristics of the fluid in a novel vortex generator with different cone angles and different inlet sizes are numerically simulated. The results show that the new vortex generator can effectively reduce the evaporation pressure and the temperature of the fluid in the absorption refrigeration system generator, so that the low-grade heat source such as solar energy can be fully utilized to improve the system performance coefficient.