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Mr. Hafiz Muhammad Abdullah
University of Wah

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Research Keywords & Expertise

0 Sustainable Energy
0 Renewable and Sustainable Energy
0 Ejectors
0 CFD Simulation
0 Thermofluids

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Journal article
Published: 09 November 2020 in Energies
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An ejector is a simple mechanical device that can be integrated with power generation or the refrigeration cycle to enhance their performance. Owing to the complex flow behavior in the ejector, the performance prediction of the ejector is done by numerical simulations. However, to evaluate the performance of an ejector integrated power cycle or refrigeration cycle, the need for simpler and more reliable thermodynamic models to estimate the performance of the ejector persists. This research, therefore, aims at developing a single mathematical correlation that can predict the ejector performance with reasonable accuracy. The proposed correlation relates the entrainment ratio and the pressure rise across the ejector to the area ratio and the mass flow rate of the primary flow. R141b is selected as the ejector refrigerant, and the results obtained through the proposed correlation are validated through numerical solutions. The comparison between the analytical and numerical with experimental results provided an error of less than 8.4% and 4.29%, respectively.

ACS Style

Hafiz Ali Muhammad; Hafiz Muhammad Abdullah; Zabdur Rehman; Beomjoon Lee; Young-Jin Baik; Jongjae Cho; Muhammad Imran; Manzar Masud; Mohsin Saleem; Muhammad Shoaib Butt. Numerical Modeling of Ejector and Development of Improved Methods for the Design of Ejector-Assisted Refrigeration System. Energies 2020, 13, 5835 .

AMA Style

Hafiz Ali Muhammad, Hafiz Muhammad Abdullah, Zabdur Rehman, Beomjoon Lee, Young-Jin Baik, Jongjae Cho, Muhammad Imran, Manzar Masud, Mohsin Saleem, Muhammad Shoaib Butt. Numerical Modeling of Ejector and Development of Improved Methods for the Design of Ejector-Assisted Refrigeration System. Energies. 2020; 13 (21):5835.

Chicago/Turabian Style

Hafiz Ali Muhammad; Hafiz Muhammad Abdullah; Zabdur Rehman; Beomjoon Lee; Young-Jin Baik; Jongjae Cho; Muhammad Imran; Manzar Masud; Mohsin Saleem; Muhammad Shoaib Butt. 2020. "Numerical Modeling of Ejector and Development of Improved Methods for the Design of Ejector-Assisted Refrigeration System." Energies 13, no. 21: 5835.