two-lobe pump

The results indicated that the low temperature geothermal water two grade utility with water source heat pump system was economical and efficient with obvious superiority.

分析结果表明，采用水源热泵的低温地热水两级利用采暖系统运行经济节能，具有明显的优越性。

Energy Consumption Analysis of Heating System using a Low Temperature Geothermal Water Two Grade Utility with Water Source Heat Pump

采用水源热泵的低温地热水两级利用供暖能耗分析

By analyzing pipeline's system structure and logical structure of steady-state operating plan, it is thought that optimization problem for steady-state operating condition can be decomposed into two sub-problems which can be resolved in sequence-oil transporting temperature optimization and pump pipe matching optimization.

通过分析管道系统结构及稳态运行方案的逻辑结构，认为可将该系统稳态工况最优化问题分解为输油温度最优化和泵管匹配最优化两个可顺序求解的子问题。

A low temperature geothermal water two grade utility with water source heat pump used in a retrofit project was introduced in this paper.

本文介绍了采用水源热泵的低温地热水两级利用采暖方案在改造工程中的应用。

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。