This review composition aimed to comprehensively present the experimental investigation procedures and thermal performance augmentation techniques of solar air heaters. Various testing standards such as static and dynamic tests, and performance parameters, such as, thermal, thermo‐hydraulic, and exergy efficiencies, are incorporated to present the experimental investigation procedures. The present review work deals with testing conditions (indoor and outdoor), instrumentation, various parameters of interest with corresponding optimum values, their uncertainty levels together with SAH orientation, air flow type, thermal energy storage devices, duct modifications and heat transfer surfaces using fins, baffles, and ribs employed to enhance the thermal performance. The authors of this review work believed that the current composition constitutes a summary of details to quickly access the information for analyzing the various experimental investigation procedures and heat transfer augmentation techniques along with the optimum values of flow and geometric parameters. Moreover, economical and efficient solar air‐heating systems with low pressure drop and high heat exchange to air are presented and reviewed.

中文翻译：

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太阳能空气加热器的实验研究程序和热性能增强技术的全面综述

这篇综述文章旨在全面介绍太阳能空气加热器的实验研究程序和热性能增强技术。各种测试标准（例如静态和动态测试）以及性能参数（例如，热，热工液压和火用效率）均已纳入本实验研究程序。当前的审查工作涉及测试条件（室内和室外），仪器，具有相应最佳值的各种感兴趣的参数，其不确定性水平以及SAH方向，气流类型，热能存储设备，管道的改进和使用散热片的传热表面，挡板和肋骨用于增强热性能。这篇综述的作者认为，当前的构成构成了细节的摘要，可以快速访问信息以分析各种实验研究程序和传热增强技术以及流量和几何参数的最佳值。此外，本文还介绍并回顾了经济高效的太阳能空气加热系统，该系统具有低压降和与空气的高热交换。