# Mathematical Model Development of Evacuated Glass-Thermal Absorber Tube Collector (EGATC) for Air Heating Application

## Authors

• Zairul Azrul Zakaria Kuliyyah of Engineering, International Islamic University Malaysia, Jalan Gombak, 53100 Kuala Lumpur, Malaysia
• Zafri Azran Abdul Majid Kuliyyah of Allied Health Sciences, International Islamic University of Malaysia, 25200 Bandar Indera Mahkota, Kuantan Pahang, Malaysia
• Muhammad Amin Harun Kuliyyah of Engineering, International Islamic University Malaysia, Jalan Gombak, 53100 Kuala Lumpur, Malaysia
• Ahmad Faris Ismail Kuliyyah of Engineering, International Islamic University Malaysia, Jalan Gombak, 53100 Kuala Lumpur, Malaysia
• Sany Izan Ihsan Kuliyyah of Engineering, International Islamic University Malaysia, Jalan Gombak, 53100 Kuala Lumpur, Malaysia
• Kamaruzzaman Sopian Solar Energy Research Institute, Universiti Kebangsaan Malaysia, 43600 Bangi Selangor, Malaysia
• Amir Abdul Razak Faculty of Mechanical Engineering Technology, Universiti Malaysia Pahang, 26600 Pekan Pahang, Malaysia
• Ahmad Fadzil Sharol Faculty of Mechanical Engineering Technology, Universiti Malaysia Pahang, 26600 Pekan Pahang, Malaysia
• Mohd Syahriman Mohd Azmi Department of Physics, Faculty of Science and Mathematics, Universiti Pendidikan Sultan Idris, 35900 Tanjong Malim, Perak, Malaysia

## Keywords:

EGATC, Mathematical model, air heating application

## Abstract

For decades, solar energy as one of the endless energy sources has become the most public preference as a means to accommodate space heating. Various studies on solar thermal technologies have been worked out to replace outdated systems. However, conventional solar thermal systems offer two drawbacks such as diffuse solar radiation conditions that can lead to insufficient heating during the winter and autumn, and limitations of the solar collector orientation that need to be opposed at a correct tilted angle towards maximize the performance of the system. Previous study had proposed an integrated design that consists of the evacuated tube and pre-heating double pass flow thermal absorber arrangement namely Evacuated Glass-Thermal Absorber Tube Collector (EGATC) to overcome these problems. Therefore, this research has discussed further on the formulated mathematical equation of the design. EGATC components used to convert solar radiation into heat that stabilized and increased the outlet temperature were evacuated glass, thermal absorber and working fluid. The equation related to each component were developed based on the first law of thermodynamic. The combination of developed equation forms a solar thermal collector model for the system.

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2023-03-21

## How to Cite

Zakaria, Z. A., Zafri Azran Abdul Majid, Harun, M. A., Ismail, A. F., Ihsan, S. I., Sopian, K., Abdul Razak, A., Sharol, A. F., & Mohd Azmi, M. S. (2023). Mathematical Model Development of Evacuated Glass-Thermal Absorber Tube Collector (EGATC) for Air Heating Application. Journal of Science and Mathematics Letters, 11(1), 73–82. https://doi.org/10.37134/jsml.vol11.1.11.2023

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