脉冲液体射流泵压力特性的试验研究  

Experimental Study on Pressure Characteristic of Pulsed Liquid Jet Pump

作　　者：高传昌[1] 张晋华[1] 刘新阳[1] 高志锴[1] 

机构地区：[1]华北水利水电学院,河南郑州450011

出　　处：《流体机械》2011年第9期1-5,共5页Fluid Machinery

基　　金：水利部公益性行业科研专项经费资助项目"脉冲射流水下高效清淤冲沙关键技术研究"(200801011);国家自然科学基金资助项目"脉冲液体射流泵及其装置的基本理论与试验研究"(50379013)

摘　　要：分别运用脉冲射流和恒定射流对液体射流泵内的压力特性进行了试验研究,分析了液体射流泵内的压力变化特性及其对射流泵性能的影响。结果表明,脉冲液体射流泵的压力特性及其性能优于恒定液体射流泵的压力特性及其性能,验证了脉冲射流是提高液体射流泵性能的有效途径。研究结果为深入研究脉冲液体射流泵的基本性能提供了依据。The pulsed jet and the steady jet were applied to carry on experimental study on the pressure characteristic of the liquid jet pump.It is analyzed that the pressure variation characteristic of the liquid jet pump and the influence on the performance of jet pump.The results show that the pressure characteristic and performance of the pulsed liquid jet pump is better than the steady liquid jet pump.The results prove that pulsed jet is an effective way to enhance the jet pump＇s efficiency.The research results provide reliable basis for deeply studying pulsed liquid jet pump＇s fundamental performance.

关 键 词：脉冲射流 射流泵 压力特性 试验研究 

分 类 号：TV136[水利工程—水力学及河流动力学]