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Hello, I have been a project to design a solar-powered submersible pump (using a gamma stirling engine) and my team managed to create a design and a prototype, however I was assigned a task to research how we would calculate the engine's efficiency? how much work does it take to raise the water? how...

Hi Ahmed For your application if we assume that you have average 11suny hours and lifting height of 8.5m you need theoreticaly 110 W of power (whitout loses). Pump that is nearest to your is this : http://www.tamera.org/index.php?id=886 this pump has 300W. If you want fluidyne pump http://www.googl...

Take a look at the airlift water pump. http://youtu.be/kSvssx2jfX4 The pluses for this pump are easy to build,very efficent,you dont need to drill a large well hole,it can work at night even though its a solar pump because it stores energy in the air tank not expensive batteries. A small stirling e...

Ahmed, I would suggest that you investigate the Fluidine pump devised by Dr Colin west, it is written up in his book,"Liquid-piston Stirling Engines", published by Van Nostrand Reinhold Co of New York, USADr West was an engineer at AERE, Harwell. A useful sized conventional Stirling Engin...

Hello everyone, My and my team have been assigned an engineering project which involves sending a prototype of a solar-powered submersible water pump to senegal for agricultural/irrigation use, and I thought I would ask the professionals for some guidance. These are the specifications/dimensions of ...