Gas Rate And Heat Input – Flashcards
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| Gas Rate Calculation Metric |
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| Gas Rate(m3/h)=(2nd read-1st read)x3600 --------------------- time Taken (seconds) |
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| Heat Input Calculation Metric |
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| Heat Input(kW)=Gas Rate(m3/hr)x c.v(MJ/m3 ---------------------- 3.6 |
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| Convert btu/ft3 to kW |
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| by dividing by 3412 Where this is gross convert to net by divivding by 1.11 |
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| Heat Input Calculation IMPERIAL |
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Heat Input(btu/hr)=Gas Rate(ft3/hr)xC.V(btu/ft3) Average IMPERIAL C.V=1040btu/ft3
to covert btu/hr to kW divide by 3412 |
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| Gas Rate Imperial |
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| Gas Rate=Seconds in 1 hour (3600) ----------------- Time Taken (Seconds) |
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| Heat Input |
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| Is the amount of heat produced by an appliance in a given time. |
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| Gas Rate |
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| The quantity of gas used by an appliance |
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| Heat Input (check) |
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| Total heat input:Not a mandatory check if you have undertaken the pressure check, however it does allow you to confirm that the correct injector has been installed in relation to the pressure. |
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| Gas Calculation HEAT INPUT METRIC D.Q.M |
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| 2nd-1st=gas x 30 gas x 30 x 10.7 /by 1.11 |
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| Gas Calc IMPERIAL D.Q.M |
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| 1098 ---- TIME IN SEC |
