International Research Journal of Innovations in Engineering and Technology - IRJIET International Open Access, Monthly, Peer Reviewed, Reputed Journal ISSN (online): 2581-3048

Impact Factor (2025): 6.9

DOI Prefix: 10.47001/IRJIET

Simulation of U Tube Heat Exchanger Immersed in Oil inside Solar Evacuated Tube

Amina Salal Zayyan AlnajmawyMSc. Student, Department of Mechanical Engineering, College of Engineering, University of Mosul, Mosul, IraqMahmoud Usamah JasimDepartment of Mechanical Engineering, College of Engineering, University of Mosul, Mosul, Iraq

Vol 6 No 8 (2022): Volume 6, Issue 8, August 2022 | Pages: 53-60

International Research Journal of Innovations in Engineering and Technology

OPEN ACCESS | Research Article | Published Date: 23-08-2022

doi Logo doi.org/10.47001/IRJIET/2022.608008

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Abstract

A numerical simulation using finite difference method, transient and 3D for the water flow within the U-tube heat exchanger which is immersed in oil inside evacuated tube solar collector. This simulation process starts from the heat gained from the solar radiation and ends with the outlet temperature of the water to be heated by the U-tube heat exchanger. The characteristics of the used materials such as glass, water, copper and the used oil were entered to the simulation software. The vacuumed space between the two glass tubes was replaced with Aerogel being the most appropriate solution instead of the vacuum part because it is difficult to represent in the mesh part. The solar load model was used to track the radiation in this simulation, where the solar radiation heat flux is solved using the fair weather condition of the radiation equations, then the solar radiation load is considered as the term source in the energy equation tube according to geographical location, date and hour of the day. The performance of the solar evacuated tube (SET) was studied under the continuous water circulation and exposing the collector to the solar radiation, i.e. heating the oil and water together at a speed of 0.08 m/sec and where the flow that is laminar. The simulation results showed a clear effect of solar radiation in the contours of temperature charts and water circulation inside the solar collector, where the highest oil temperatures are at the top opened end of the SET collector and the lowest at the bottom closed end of the SET.

Keywords

U-Tube, Hear Exchanger, Immersed Oil, Solar Evacuated Tube


Citation of this Article

Amina Salal Zayyan Alnajmawy, Mahmoud Usamah Jasim, “Simulation of U Tube Heat Exchanger Immersed in Oil inside Solar Evacuated Tube”, Published in International Research Journal of Innovations in Engineering and Technology - IRJIET, Volume 6, Issue 8, pp 53-60, August 2022. Article DOI https://doi.org/10.47001/IRJIET/2022.608008

Licence Copyright (c) 2026 International Research Journal of Innovations in Engineering and Technology creative common licence This work is licensed under Creative common Attribution Non Commercial 4.0 Internation Licence
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