Through piping model test and pump unit trial it is shown that with the two types of isolating shims the vibration acceleration of the piping system can be reduced evidently.
经管路模型试验和水泵机组试验证明，这两种隔振垫可使管路系统振动加速度级明显下降。
The dynamic system model is coupled with geothermal heat exchanger model and heat pump unit model, which is based on the conservation of mass and energy.
采用确定性模型法建立了热泵机组的模型，然后通过能量和质量守衡方程序建立了系统动态耦合模型。
A remodeling design of circulating pump of 600 MW power unit is introduced which adopts different conversion factors for the impeller and guide blade according to the same model pump.
介绍了600 MW火电机组用大型立式循环水泵的一种改型设计方法，即针对同一模型，叶轮与导叶体采用不同的换算系数进行设计。
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