A review on applications and techniques of improving the performance of heat pipe-solar collector systems

Alshukri, Mohammed J.; Hussein, Ahmed Kadhim; Eidan, Adel A.; Alsabery, Ammar I.

doi:10.1016/j.solener.2022.03.022

Cited by 49 publications

(10 citation statements)

References 103 publications

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“…This section includes graphical interpretations of velocity F ′ (ω) (as shown in Figs. 6,9,12,15,18,26,29), temperature θ(ω) (as depicted in Figs. 7, 10, 13, 16, 21, 23, 24, 25, 27, 30) concentration h(ω) and entropy N G (Figs.…”

Section: Resultsmentioning

confidence: 99%

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Thermal cooling efficacy of a solar water pump using Oldroyd-B (aluminum alloy-titanium alloy/engine oil) hybrid nanofluid by applying new version for the model of Buongiorno

Shahzad

Jamshed

Eid

et al. 2022

Sci Rep

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Solar radiation, which is emitted by the sun, is required to properly operate photovoltaic cells and solar water pumps (SWP). A parabolic trough surface collector (PTSC) installation model was created to investigate the efficacy of SWP. The thermal transfer performance in SWP is evaluated thru the presence of warmth radiation and heat cause besides viscid dissipation. This evaluation is performed by measuring the thermal transmission proportion of the selected warmth transmission liquid in the PTSC, known as a hybrid nano-fluid. Entropy analysis of Oldroyd-B hybrid nano-fluid via modified Buongiorno's model was also tested. The functions of regulating parameters are quantitatively observed by using the Keller-box approach in MATLAB coding. Short terms define various parameters for tables in velocity, shear pressure and temperature, gravity, and Nusselt numbers. In the condition of thermal radiation and thermal conductivity at room temperature, the competence of SWP is proven to be enhanced. Unlike basic nano-fluids, hybrid nano-fluids are an excellent source of heat transfer. Additionally, with at least 22.56% and 35.01% magnitude, the thermal efficiency of AA7075–Ti–6Al–4 V/EO is higher than AA7075–EO.

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Section: Resultsmentioning

confidence: 99%

“…In the next step, the hybrid nano-fluid was produced by adding the required amount of CNT nano-fluid to the ferrofluid produced, followed by the sonication of the mixture. Recent works can be found in [27][28][29][30][31] .…”

mentioning

confidence: 99%

Thermal cooling efficacy of a solar water pump using Oldroyd-B (aluminum alloy-titanium alloy/engine oil) hybrid nanofluid by applying new version for the model of Buongiorno

Shahzad

Jamshed

Eid

et al. 2022

Sci Rep

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“…Alshukri et al studied the functionality enhancement of heat pipe evacuated tube collector (HPETC) with the integration of enhanced paraffin wax 28) and implemented on the various tube collectors 29) . Additionally, they examined how the design of the structure, the techniques, the working fluids, and the use of storage systems affected the performance of the heat pipe solar collector 30) .…”

Section: Introductionmentioning

confidence: 99%

Performance Enhancement of Electric Bus Air Conditioning System by Heat Pipe Equipment (Experimental Study)

Nuriyadi¹,

Putra²,

Alhamid³

et al. 2023

Evergreen

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Electric Vehicles (EVs) are considered a significant way to minimize dependence on fossil fuel. As one of the most energy-consuming auxiliary components in EVs, air conditioning should enhance its performance and minimize the power and energy consumption. In this experiment, a modular air conditioner prototype with additional heat pipe components for an electric bus air conditioner has been successfully constructed. In this study, a modular AC system testing was carried out before and after using heat pipes at various ambient temperature conditions. The results reveal that the heat pipes utilization in the modular AC system for electric buses increases the cooling capacity by about 15%, and reduces the power input level of the AC system by about 28%. This has contributed to raising of the system's Energy Efficiency Ratio (EER) of around 30%, and the heat pipe's average effectiveness of 7,5%.

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“…Therefore, knowledge about the pressure drop and convective heat transfer characteristics in heat exchangers is essential for adopting this technology into marketable products. Therefore, several techniques are scrutinized in order to enhance heat pipe performance, such as new structure configurations, designs, and technologies or their modification, the integration of heat pipes with other systems such as solar concentrators, improving the working fluid type, or employing heat storage systems [ 6 ].…”

Section: Introductionmentioning

confidence: 99%

Application of Nanofluids in Improving the Performance of Double-Pipe Heat Exchangers—A Critical Review

et al. 2022

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Nanofluids can be employed as one of the two fluids needed to improve heat exchanger performance due to their improved thermal and rheological properties. In this review, the impact of nanoparticles on nanofluid properties is discussed by analyzing factors such as the concentration, size, and shape of nanoparticles. Nanofluid thermophysical properties and flow rate directly influence the heat transfer coefficient and pressure drop. High thermal conductivity nanoparticles improve the heat transfer coefficient; in particular, metallic oxide (such as MgO, TiO2, and ZnO) nanoparticles show greater enhancement of this property by up to 30% compared to the base fluid. Nanoparticle size and shape are other factors to consider as well, e.g., a significant difference in thermal conductivity enhancement from 6.41% to 9.73% could be achieved by decreasing the Al2O3 nanoparticle size from 90 to 10 nm, affecting nanofluid viscosity and density. In addition, equations to determine the heat transfer rate and the pressure drop in a double-pipe heat exchanger are presented. It was established that the main factor that directly influences the heat transfer coefficient is the nanofluid thermal conductivity, and nanofluid viscosity affects the pressure drop.

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A review on applications and techniques of improving the performance of heat pipe-solar collector systems

Cited by 49 publications

References 103 publications

Thermal cooling efficacy of a solar water pump using Oldroyd-B (aluminum alloy-titanium alloy/engine oil) hybrid nanofluid by applying new version for the model of Buongiorno

Thermal cooling efficacy of a solar water pump using Oldroyd-B (aluminum alloy-titanium alloy/engine oil) hybrid nanofluid by applying new version for the model of Buongiorno

Performance Enhancement of Electric Bus Air Conditioning System by Heat Pipe Equipment (Experimental Study)

Application of Nanofluids in Improving the Performance of Double-Pipe Heat Exchangers—A Critical Review

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