Maximum power for a power plant with two Carnot-like cycles

8th International Congress of Engineering Physics

物理学;工业技术

Aragón-González, G.^1 ; León-Galicia, A.^1

Programa de Desarrollo Profesional en Automatización, Universidad Autónoma Metropolitana-Azcapotzalco, México

D. F. 02200, Mexico^1

关键词: Design rules;    Finite-rate heat transfer;    Internal dissipation;    Maximum power;    Optimal allocation;    Stationary power;    Thermal conductance;    Working fluid;   

Others  :  https://iopscience.iop.org/article/10.1088/1742-6596/792/1/012002/pdf
DOI  :  10.1088/1742-6596/792/1/012002

学科分类：工业工程学

来源: IOP

【 摘 要 】

A stationary power plant with two Carnot-like cycles is optimized. Each cycle has the following irreversibilities: finite rate heat transfer between the working fluid and the external heat sources, internal dissipation of the working fluid, and heat leak between reservoirs. The optimal allocation or effectiveness of the heat exchangers for this power plant is determined by applying, two alternating design rules: fixed internal thermal conductance or fixed areas. The optimal relations obtained are substituted in the power and the maximum power, according to the isentropic ratio of each one of the Carnot-like cycles of the power plant, is calculated. Additionally, the efficiency to maximum power is presented.