Hello guyz,

I am new to this forum. We are ask by our company to create a project for improvement of our coal fired power plant.

Our group decided to submit a proposal that would modify the lubricating system of the turbine generator. Our modification would be to add a gravity feed oil tank to the lubricating system. The current system consists only 3 oil pumps namely, shaft driven main oil pump, auxiliary oil pump, emergency oil pump.

I just want to ask if what is the additional cost in adding the gravity oil feed pump? The advantages and disadvantages of this modification?? thanks..

Hello, what size oil tank will you need for this system? Also how much pressure are you operating at?

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O&M Manager-BSME, MSME, P.E.

Hi..
Generally, it has two different ways for fuel transfer for areoplane, the simplest one is by gravity, and another is by pumps. But the simplest one mighte change to the vital method in some situation, such as electrical and mechanical accident. So the study of gravity feed oil is aslo important. Past calculations assumed that, under gravity feed, only one fuel tank in aircraft supplies the fuel needed for preventing extremely serious accident to happen. Actually, gravity feed oil is a transient process, all fuel tanks compete for supplying oil and there must have several fuel tanks offering oil simultaneously. The key problems to calculate gravity feed oil are the sumulation of the multiple-branch and transient process.

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