The paper bases on performance and characteristics of pump/fan, analyzes the relationship between flow quantity, head, power and rotate speed.
根据泵与风机在不同工况下运行的性能与特点,分析了变流量运行时,泵与风机流量、扬程(压头)、功率与转速间的关系。
This article presents in theory reasons for the interrelationship between the energy saving benefit of variable speed control of pump/fan and the piping back pressure by analysing the change pattern of working parameters of variable speed control of pump/fan with changing piping back pressure.
通过分析泵与风机的变速工况参数随管路背压的变化规律 ,从理论上指出了泵与风机变速调节的节能效益与管路背压大小相关的原因。
Theoretically points out the reasons for the interrelation of the energy saving benefit of Variable speed control of pump/fan with the piping back pressure by analysing the regularity of change of the working parameters of variable speed control of pump/fan with piping back pressure.
通过分析泵与风机的变速工况参数随管路背压的变化规律,从理论上指出了泵与风机变速调节的节能效益与管路背压大小相关的原因。
Mood Choices for Starting Water Pump and Blower in Salt Making Industry
制盐工业水泵与风机起动方式的选择
The Simulation Teaching System of Pump and Air Blower Based on 3dsmax and CAXA-solid
基于3dsmax和CAXA-solid的泵与风机模拟教学系统
Saving Energy and Cleaning Production --On Setting Up the Selective Course of Technology of Energy Saving in Pumps and Fans;
节约能源 清洁生产——论选修课《泵与风机节能技术》的开设
Create The National Excellent Courses of Distinct Vocational Features--To build " Pump Fan and Fluid Mechanics " courses as an example;
打造职业特色鲜明的国家级精品课程——以建设“流体力学泵与风机”课程为例
Compare Between Air-cooled Heat Pump and Variable Refrigerant Flow Air-conditioning in the Use of School Office Building
风冷热泵与多联机在学校办公楼的应用比较
impeller for fans, gas pumps or compressors
风扇、气泵或压缩机叶轮
Research and outlook on electric motor frequency and rotational speed control of fan and water pump
风机、水泵类拖动系统电动机变频调速研究与实践
gas compressors and fans
泵（液泵除外）、空气或其它气体压缩机及鼓风机
Improvement on cooling-air duct of sluicing pump motor in ash pumphouse
灰渣泵房冲洗水泵电动机冷却风路的改进
Research on Energy Saving of Fan and Pump at 420t/h Boiler;
420t/h锅炉风机、水泵节能研究
Exploration on the teaching of hydrodynamic pump and fan for high vocational education;
高职课程《流体力学泵和风机》教学探讨
Application of Inverter in Fan and Water Motor Energy Saving Transformation
变频器在风机泵类节能改造中的应用
The spray pump should be interlocked with the supply fan.
喷水泵应与送风箱相联锁。
Balance Point Choosing and Thermo Economic Optimization of Air-source Heat Pump;
风冷热泵平衡点选择与热经济学优化
Code for construction and acceptance of compressor, fan and pump installation engineering
压缩机、风机、泵安装工程施工及验收规范
High Efficiency Energy Saving VVCF Method of Operation Motors of Load Fans or Water Pump;
风机、水泵类负载电动机的高效节能运行方式
Trouble Analysis of the Main Oil Pump in DF4 Type Locomotive and Measures to Prevent
东风4型机车主机油泵故障分析及措施
Demand of Concrete Pumping Capability and Supply Analysis of Pumping Capability of Concrete Pumps
混凝土泵送能力需求与泵送机械的泵送能力供给分析