RETRACTED: Heat transfer analysis of a water/lithium-bromide vapor generator system used for battery thermal development

Asiri, Saeed; Salilih, Elias M.; Alfawaz, Khaled Mofawiz; Alogla, Ageel F.; Sajadi, S. Mohammad; Nusier, Osama K.

doi:10.1016/j.est.2022.105118

Cited by 3 publications

(3 citation statements)

References 63 publications

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“…Where W is weight and ρ is density The properties of Al 2 O 3 nanoparticles are calculated utilizing the formulas for specific. heat (C), density, and viscosity (μ) as (Maghrabie et al, 2021;Asiri et al, 2022):…”

Section: Physical Property Of the Nano-fluidmentioning

confidence: 99%

“…Every heat exchanger has a barrier that keeps the fluids apart while still enabling heat transmission. Hydraulic and thermal performance of heat exchangers have been upgraded in the last decades (Huminic and Huminic, 2016;Salilih and Abu-Hamdeh, 2021;Abu-Hamdeh and Salilih, 2022;Asiri et al, 2022;Salilih et al, 2023). Shell and helically coiled heat exchangers exceed the conventional heat exchangers for high temperature applications and outperform straight tube heat exchangers with regard to heat transfer coefficient (Prabhanjan et al, 2002).…”

Section: Introductionmentioning

confidence: 99%

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Experimental investigation of shell and helical coiled heat exchanger with Al2O3 nano-fluid with wide range of particle concentration

Shabi,

Alhazmy,

Negeed

et al. 2024

Front. Mech. Eng.

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The purpose of this study is to experimentally enhance the heat exchange rate of the shell and helical coil tube heat exchanger by mixing water with aluminum oxide (Al2O3) nanoparticles, as well as to explore the effect of inlet thermal parameters on the performance of the heat exchanger. A test rig was constructed to investigate the influence of particle concentration, and inlet temperatures on the performance of nano-fluid. Parameters such as Nusselt number, pressure drop, performance evaluation criteria (PEC) are considered to rate the performance of the nano-particle with the heat exchanger. In this study a wider range of particle concentration is considered, which varies from 0.0%–0.75%. Experiments with and without nanoparticles are carried out under identical working conditions. By analyzing the experimental data, it was found that nanoparticles significantly improve the coefficient of heat transfer inside the helically coiled tube. From sensitivity analysis, it is obseerved that there is a slight decrease in Nusselt number of the nano-fluid with increase in inlet temperatures of the nano-fluid and the cooling water. Furthermore, it is concluded that an 8.5% increase in PEC value is observed with increase in particle concentration from 0.15% to 0.75%.

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Section: Physical Property Of the Nano-fluidmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Experimental investigation of shell and helical coiled heat exchanger with Al2O3 nano-fluid with wide range of particle concentration

Shabi,

Alhazmy,

Negeed

et al. 2024

Front. Mech. Eng.

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“…In the process of energy conversion, the generator is the most important tool. Induction machine, permanent magnet synchronous machine and switched reluctance machine (SRM) all can be used as generators (Saeed et al , 2022; Narjes et al , 2022; Mukherjee and Rao, 2020; Namazi et al , 2020; Kokernak and Torrey, 2000; Azer et al , 2019). SRM is very suitable for generators for the reason that strong fault tolerance, high reliability, low cost and high efficiency.…”

Section: Introductionmentioning

confidence: 99%

Bipolar power converter and control of switched reluctance generator system for renewable energy storage

Chen

Yang

Aguirre

et al. 2023

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Purpose Because of the shortage of energy, the development of green and reliable energy is particularly important. As a green and clean energy, wind power is widely used. As the core component of wind power generation, it is particularly important to choose generators with high reliability. Switched reluctance machine is widely used as generators because of its strong fault tolerance and high reliability. Therefore, this paper aims to propose a power converter and its control strategy to improve the efficiency of switched reluctance generators. Design/methodology/approach In this paper, a full-bridge power converter (FBPC) instead of the asymmetric half-bridge power converter (AHBPC) is adopted to drive the switched reluctance generator (SRG) system. Compare the FBPC with the AHBPC, the FBPC has several advantages including low cost and modularization, and operation process of SRG winding current direction is variable. Findings The results show that the SRG system can keep smooth operation by the FBPC with relatively high efficiency. Originality/value The FBPC is suitable to drive the SRG system. Meanwhile, this paper introduces two excitation modes of the FBPC as three-phase three-beat mode and six-phase six-beat mode. When the six-phase six-beat control strategy is adopted, the dead band time of the converter can be avoided. At the same time, the SRG has higher efficiency.

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Performance analysis of a novel absorption-refrigeration driven membrane condenser system for recovery of water and waste heat from flue gas

Salilih,

Bamaga,

Almatrafi

et al. 2023

International Journal of Refrigeration

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RETRACTED: Heat transfer analysis of a water/lithium-bromide vapor generator system used for battery thermal development

Cited by 3 publications

References 63 publications

Experimental investigation of shell and helical coiled heat exchanger with Al2O3 nano-fluid with wide range of particle concentration

Experimental investigation of shell and helical coiled heat exchanger with Al2O3 nano-fluid with wide range of particle concentration

Bipolar power converter and control of switched reluctance generator system for renewable energy storage

Performance analysis of a novel absorption-refrigeration driven membrane condenser system for recovery of water and waste heat from flue gas

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