A parameter optimization method for actual thermal system

A parameter optimization method for actual thermal system
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一种实际热力系统参数优化方法

DOI:
10.1016/j.ijheatmasstransfer.2016.12.082
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发表时间:
2017-05
影响因子:
5.2
通讯作者:
Li Chuan
Li Chuan
中科院分区:
工程技术2区
文献类型:
--
作者:
Chen Zeshao;Wang Gang;Li Chuan

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热力系统参数优化的目标是在总输出功率满足能源应用实际需求的前提下,提高系统效率,降低单位输出功率的成本。本文提出了一种新的热力系统参数优化方法--等效变换恒态瞬时热力学分析法。第一步是在兼顾输出功率和效率权重的原则下选择最佳效率,第二步是在最佳效率一定的情况下计算最佳总传热系数比等相关参数。给出了该方法的有关计算原理和参数优化公式。为实际热力系统提高效率、降低机组出力成本提供了指导性的理论依据。
The objective of the parameter optimization of thermal system is to increase the system efficiency and decrease the cost of unit output power under the condition which the total output power can meet the actual requirements in energy applications. In this paper, a new parameter optimization method for actual thermal system was proposed, which was called the Equivalent Transformation Constant State Finite-time Thermodynamic Analysis Method and had two calculation steps. The first step was choosing the optimum efficiency under the principle of taking into account both output power and efficiency weights, and the second step was calculating the optimum total heat transfer coefficient ratio and other concerned parameters with the optimum efficiency fixed. The related calculation principles and formulas for parameter optimizations of this method were given. That provided the guiding theoretical basis for actual thermal system efficiency increase and cost decrease of unit output power.
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影响因子: 4.5
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