Boiler Efficiency: Introduction and Methods of Calculation
12 Direct method In the direct method, the boiler efficiency is directly defined by the exploitable heat output from the boiler and by the fuel power of the boiler: φoutput η= (14) φinput where φ output is the exploitable heat output from boiler, and φ input the fuel power of the boiler.
To do so, we divide the BTU/hour by a constant of 33,475. This constant represents water being converted to steam, which is 34.5 pounds of water multiplied by 970.3 BTU/lb, or latent energy. For this calculation, you will enter the BTU/hr of your operation along with the efficiency of your boiler.
Heat Transfer Calculator. To approximate the results of a heat transfer system; enter the fluid data and enter 5 of the 6 available inputs under Flow Rates and Temperatures. A box will be highlighted yellow if it needs input. The currently calculating value will always be highlighted in green.
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Calculations of Heat Transfer in the Furnaces of Steam Boilers According to the Laws dx.doi.org/10.5772/intechopen.75529 121. Figure 5. 1 ¡1 1 1,XVZ, 1 1 1û 1 1 1 1 1 A .A 1 1 1 1 1 1,XVZ1 boiler furnace). 1 1 ¡ 1 1 1 1 1 1 1 1 1 1 1 1 ð1 which will lead to similar reduction and more uniform distribution of deposits in the tubes.