同时发电和热空气的新型太阳能光伏集热器(pvtc)的CFD研究

IF 0.3 Q4 ENGINEERING, ELECTRICAL & ELECTRONIC International Journal of Power and Energy Systems Pub Date : 2022-01-01 DOI:10.2316/j.2022.203-0383

Sanjeet Kumar, Suprem R. Das, A. Biswas, B. Das

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引用次数: 0

摘要

本研究的目的是开发一种创新的空气基光伏集热器(PVTC)，并使用Ansys Fluent CFD软件对其进行详细的热分析，以提高其效率。矩形挡板附在两侧有气流的吸热器的两侧。考虑了挡板的两种不同设计特征-挡板长度和节距。有用热增益、电效率、总效率和出风口温度的变化为一个典型太阳日进行了建模。结果表明，当挡板长度为44 mm，节距为60 mm时，所设计的PVTC整体效率最高，达到44.44%。然后研究了流动物理特性，以了解不同节距长度挡板之间的传热增强。最后，通过将PVTC的性能与文献中一些已建立的设计进行比较，表明了PVTC的实用性。

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CFD STUDY OF AN INNOVATIVE SOLAR PHOTOVOLTAIC THERMAL COLLECTOR (PVTC) FOR SIMULTANEOUS GENERATION OF ELECTRICITY AND HOT AIR

The objective of the present study is to develop an innovative air-based photovoltaic thermal collector (PVTC) and perform a detailed thermal analysis of the same using Ansys Fluent CFD software to improve its eﬃciency. Rectangular baﬄes are attached on either side of the thermal absorber having air ﬂow on its both sides. Two diﬀerent design features of the baﬄes are considered – baﬄe length and pitch. The variations of useful heat gain, electrical eﬃciency, overall eﬃciency, and air outlet temperature are modelled for a characteristic solar day. It is shown that the present PVTC achieves the maximum overall eﬃciency of 44.44% for a baﬄe length of 44 mm and pitch of 60 mm. The ﬂow physics is then investigated to understand the heat transfer augmentation between the baﬄes with diﬀerent pitch lengths. Finally, usefulness of the PVTC is shown by comparing its performance with a few established designs of the literature.

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来源期刊

International Journal of Power and Energy Systems ENGINEERING, ELECTRICAL & ELECTRONIC-

CiteScore

1.00

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期刊介绍： First published in 1972, this journal serves a worldwide readership of power and energy professionals. As one of the premier referred publications in the field, this journal strives to be the first to explore emerging energy issues, featuring only papers of the highest scientific merit. The subject areas of this journal include power transmission, distribution and generation, electric power quality, education, energy development, competition and regulation, power electronics, communication, electric machinery, power engineering systems, protection, reliability and security, energy management systems and supervisory control, economics, dispatching and scheduling, energy systems modelling and simulation, alternative energy sources, policy and planning.