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为了分析和提高小流量工况下离心泵CFD (computational fluid dynamics) 扬程预测的精度，该文对一比转数为64的离心泵多个小流量工况下的内部流动进行了全流场定常多相位和非定常瞬态数值模拟。重点分析了定常多相位计算中的相位角和非定常计算中的时间步长对扬程预测结果的影响，并对比分析了定常多相位和非定常计算对扬程预测的优劣及其原因。研究结果表明，相位角对定常多相位数值计算的扬...
CFD Modeling to Improve the Design of a Fog System for Cooling Greenhouses
fog-cooling system glasshouse natural ventilation wind speed
2009/6/10
A CFD model was developed to simulate the air temperature and relative humidity distribution in greenhouses adopting fog-cooling systems using FLUENT. The developed model was validated using the data ...