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Thermal Analysis of an Evacuated Tube Solar Collector using a One-end Stainless Steel Manifold for Air Heating Applications under Diverse Operational Conditions
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| Abstract | The thermal performance of one-ended stainless-steel manifold-based evacuated tubes, solar air collectors, using air as the working fluid, is the subject of an experimental investigation carried out i...n the winter season at Glocal University, Saharanpur, India [30＾0 17＾' (latitude) North and 77＾0 38＾' (longitude) East]. Nine evacuated tubes with directed inner tubes of varying diameters are placed in a one-ended stainless-steel manifold to form the solar collector. The input air passes through the directed inner stainless tubes inside the evacuated tubes due to forced convection. In this experiment, hot air is produced in evacuated tubes, gathered in the main header manifold, and released through the output pipe. The airflow velocity, directional stainless steel tube diameter, air mass flow rate, and solar intensity influence the air temperature exiting the outlet. At a solar intensity of 616.2 W/m＾2, the highest temperature measured is 90.5＾0C, and the maximum temperature difference between the exit air and the input air was measured to be 62.5＾0C at a flow rate of 4.58 kg/h in a stainless-steel tube with a 20 mm diameter and 1.27 meters length.show more |
| Table of Contents | 1. Introduction 2. Experimental Setup 3. Thermodynamics performance analysis of ETSC 4. Experimental Results and Discussion 5. Conclusions |
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| Created Date | 2023.07.07 |
| Modified Date | 2024.02.21 |