为研究混合太阳能燃气轮机系统的现实应用需构建实验系统,通常的思路是采用目前性能较好的型号燃气轮机与太阳能集热加热组件耦合,但耦合后的系统性能指标相对型号燃气轮机受到限制。对此限制的原因进行热力学性能原理分析,并利用EBSILON软件建立型号燃气轮机仿真模型和混合太阳能微型燃气轮机实验系统计算模型,通过计算验证热力学性能原理分析结果,发现燃烧室通流能力是系统性能指标的主要限制因素,并提出增加压气机压比和提高燃烧室通流能力、更好地组织燃烧可作为系统优化方向。
Abstract
In order to study the practical utilization of the solar-hybrid gas turbine system, constructing an experimental system is necessary. The usual idea to do so is to couple the current well-performed model gas turbine with the solar collection and heating component. However, the performance indicators of the coupled system are limited compared to those of the model gas turbine. In this paper, the thermodynamic performance principle analysis for the reasons of performance limitation is carried out. The EBSILON software is used to establish the simulation model of the model gas turbine and the calculation model of the solar-hybrid micro gas turbine experimental system. The thermodynamic performance principle analysis result is verified by calculation. The flow capacity of the combustion chamber is found to be the main factor limiting the system performance. Increasing the compression ratio of the compressor and the flowing capacity of the combustion chamber, organizing better combustion are given as system optimization directions.
关键词
性能指标 /
优化 /
混合太阳能燃气轮机 /
限制因素 /
压力保持系数
Key words
performance indicators /
optimization /
solar hybrid gas turbine /
limiting factors /
pressure maintenance factors
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