1949
DOI: 10.1243/pime_proc_1949_161_016_02
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A Generalized Analysis of the Regenerative Steam Cycle for a Finite Number of Heaters

Abstract: The paper establishes a theoretical basis for approximate relationships which have been found to apply to feed heating calculations for a wide range of operating conditions. The designer, looking for short-cut methods in the calculation of multistage feed heating problems, will not find sufficient accuracy in the approximations to satisfy his more precise requirements. Other papers† have already catered for such requirements, but it is hoped that the present paper will give the designer and student a more comp… Show more

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Cited by 27 publications
(14 citation statements)
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“…The maximum thermal efficiency is obtained by optimizing the heat loads of each feedwater. An infinite number of heaters is required to achieve the maximum thermal efficiency when the feedwater is supplied at the boiling point [32]. For supercritical and ultra-supercritical cycles, there is no transition between vapor and liquid.…”
Section: Influence Of Main Steam Parameters On Thermal Efficiencymentioning
confidence: 99%
“…The maximum thermal efficiency is obtained by optimizing the heat loads of each feedwater. An infinite number of heaters is required to achieve the maximum thermal efficiency when the feedwater is supplied at the boiling point [32]. For supercritical and ultra-supercritical cycles, there is no transition between vapor and liquid.…”
Section: Influence Of Main Steam Parameters On Thermal Efficiencymentioning
confidence: 99%
“…It can be consider as Haywood (1949) [2] that the difference of the inlet enthalpy and outlet enthalpy ( ) Then the mass flow for the first heater can be:…”
Section: Resultsmentioning
confidence: 99%
“…Haywood (1949) [3] affirms that the enthalpy difference in the output between each feed water heater and the heater adjacent must be constant to obtain a maximum efficiency.…”
Section: Introductionmentioning
confidence: 97%
“…In the feedwater heating cycle, some work output is lost by bleeding steam off the turbine, but some heat is saved by supplying preheated water to the boiler, thus the net effect of feedwater heating is an increase in the mean temperature of heat addition results in marginal improvement in its thermal efficiency. Haywood (1949), Weir (1960) and Horlock (1996) have reported enhancement in thermal efficiency by dividing overall enthalpy equally via feedwater heaters. Kostyuk and Frolov (1985) investigated the effect of reheat pressure on cycle efficiency.…”
Section: Introductionmentioning
confidence: 99%