two-way pump

Numerical Simulation of Interior Flow for High Specific Speed Mixed-flow Pump Designed by Constant Circulation flow Pattern Numerical simulation of low NO_X pulverized-coal burners in same velocity of two channels in utility boilers

等环量流型高比转速混流泵内部流场数值模拟电站锅炉应用等速型低NO X燃烧器的数值模拟

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。

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。

The theoretical analysis of boundary layer in vane of centrifugal two-phase flow pump may provide a basis for flow drag in vane surface and a theoretical evidence to determine vane curve.

离心式固液两相流泵叶片的边界层的理论分析，可以为分析流体在叶片表面沿程阻力提供基础，进一步也可以为确定叶片型线提供理论依据。

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。