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How can you calculate heat rate in a gas engine using natural gas for producing electricity?
Wiki User
∙ 12y ago
You need to know the energy content of the natural gas which may vary from one supplier to another, the supplier will tell you this, it will be in some unit like kilojoules per cubic meter or cubic foot. Then with the engine running at a steady output, over a period of an hour or preferably more, measure accurately the amount of gas consumed, and from that calculate the energy content of the gas. At the same time measure the kilowatts of electrical output over the same period. If it is varying slightly measure it at intervals and take an average. The energy output is then this figure of kilowatts times the number of seconds elapsed, the result then being in kilojoules, and you can compare this with the energy input over the same period to get an efficiency ratio.
Wiki User
∙ 12y ago
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