Feasibility analysis of a solar field for a closed unfired Joule-Brayton cycle

被引：6

作者：

Rovense F. ^{[1
]}

Perez M.S. ^{[2
]}

Amelio M. ^{[1
]}

Ferraro V. ^{[1
]}

Scornaienchi N.M. ^{[1
]}

机构：

[1] Department of Mechanical, Energy and Management Engineering, University of Calabria, Via P. Bucci Edificio Cubo 46 C, Arcavacata di Rende (CS) Rende

[2] Department of Energy Engineer, Escuela Técnica Superior, Ingeniería Universidad de Sevilla,, Camiino de los Descubrimientos, s/n., Sevilla

来源：

International Journal of Heat and Technology | 2017年 / 35卷 / Special Issue 1期

关键词：

Closed Joule-Brayton Cycle; Concentrated Solar Power; Heliostat Solar Field; Solar Gas Turbine;

D O I：

10.18280/ijht.35Sp0123

中图分类号：

学科分类号：

摘要：

A solar tower for a closed unfired Joule-Brayton cycle is considered. An analysis for four different plants rated power levels is performed. The system here analyzed comprises an intercooled and regenerated gas turbine engine, a concentrating solar tower with pressurized volumetric receiver and a heat exchanger to perform cooling of the working fluid, allowing its recirculation. The plant scheme enables an output adjustment, using an auxiliary compressor. A constant value of the solar receiver outlet temperature approximately of 800 °C, without use of fuel, in a large range of power, is obtained, guaranteeing a net thermal-to-electric efficiency around 40%. Thermoflex© has been used for the thermodynamics analysis and WinDelsol for solar field design and simulation (heliostat field and receiver). For the purposes of this work, it is assumed that the plant is located in Seville, Spain, with an annual direct normal irradiation (DNI) of 2,068 kWh /m2.

引用

页码：S166 / S171

页数：5

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