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Thermodynamics
Mohamed Ouni et al.
Summary: Solar energy is a significant thermal energy source used in various technologies such as solar water pumps and photovoltaic cells. Examining solar radiation technology is crucial for optimizing the performance of solar water pumps. The use of hybrid nanofluids with parabolic trough surface collectors has been developed to enhance heat transmission efficiency in solar water pumps.
CASE STUDIES IN THERMAL ENGINEERING
(2022)
Article
Thermodynamics
Yosuke Yasuda et al.
Summary: Neutron radiography was used to visualize the behaviors of the working fluid in a flat-plate pulsating heat pipe made of aluminum alloy in bottom and top heating orientations. The results showed that the distribution of the working fluid does affect the startup characteristics of the PHP, with different heating orientations leading to different fluid behaviors.
INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER
(2022)
Article
Multidisciplinary Sciences
JiYeon Kim et al.
Summary: This study proposed modified collector structures to improve harvesting performance in industrial cooling towers by modifying the screen shape in three steps: adopting a concave shape, installing a sidewall, and changing the discharge direction. These findings are expected to be significant for collector design in various industrial fields in the future.
SCIENTIFIC REPORTS
(2022)
Article
Thermodynamics
Vincent Ayel et al.
Summary: An experimental study was conducted on a copper closed-loop flat plate pulsating heat pipe under different orientations and working fluid conditions, showing that aqueous mixtures significantly improved thermal performance, while pure fluids and water with surfactants exhibited significant instabilities.
INTERNATIONAL JOURNAL OF THERMAL SCIENCES
(2022)
Article
Engineering, Multidisciplinary
Ali A. Alkathiri et al.
Summary: The study focuses on the entropy generation in binary nanofluid porous medium flow in a parabolic trough solar collector. Numerical simulations and experiments were conducted to investigate the effects of magnetic parameters on the Nusselt number and drag force factor. The results show that binary nanofluids can enhance the thermal performance of parabolic trough solar collectors.
ALEXANDRIA ENGINEERING JOURNAL
(2022)
Article
Thermodynamics
Kamlesh Mehta et al.
Summary: This study investigated the effects of operational and geometrical parameters on the thermal performance of CLFP-OHP. It was found that the thermal resistance was strongly dependent on these parameters, with acetone showing the best performance at a charge ratio of 60%, in vertical orientation, and square channels. The lowest thermal resistance achieved was 0.39 degrees C/W at 100 W, with a thermal conductivity of 3205 W/m degrees C.
EXPERIMENTAL HEAT TRANSFER
(2021)
Article
Energy & Fuels
Jing Chen et al.
Summary: This study experimentally found that local low-frequency vibrations have a positive impact on the heat transfer performances of PHPs. The effects of vibrations at the evaporation section and at the adiabatic section were more remarkable than those at the condensation section, leading to a reduction in thermal resistance and temperature.
Article
Energy & Fuels
Wasim Jamshed et al.
Summary: This paper explores the two-dimensional flow over a stretched sheet in PTSC under Williamson nanofluid effects. By using useful transformations, the partial differential equations arising from the boundary layer equations of the Williamson nanofluid model are converted into nonlinear ordinary differential equations. The Keller box numerical scheme is utilized to find solutions for the resulting nonlinear ordinary differential equations.
INTERNATIONAL JOURNAL OF ENERGY RESEARCH
(2021)
Article
Thermodynamics
Lipei Yan et al.
Summary: This paper experimentally investigates the visualization of thermo-hydrodynamic behavior in flat-plate pulsating heat pipe (FP-PHP) with HFE-347. The study reveals that the flow patterns in FP-PHP with medium (40%-60%) and high (70%) filling rate are dominated by mixed flow at high heating power (100 W to 140 W), while at moderate heating power (60 W to 80 W), wall temperature fluctuates greatly due to the uncertainty of flow direction. The temperature distribution of the FP-PHP is highly affected by the heat transfer intensity of the working fluid under different flow states.
JOURNAL OF THERMAL SCIENCE
(2021)
Article
Thermodynamics
Wasim Jamshed et al.
Summary: This research focuses on inclined magnetically driven Maxwell nanofluid flow on an endless plate in a parabolic trough solar collector (PTSC), considering essential exterior resources in PTSC. Copper-methanol (Cu-Ch(3)OH) nanofluid is found to have better heat transfer and can achieve a maximum thermal efficiency of 29% compared to Titanium-methanol (TiO2-Ch(3)OH) nanofluid.
CASE STUDIES IN THERMAL ENGINEERING
(2021)
Article
Energy & Fuels
Faisal Shahzad et al.
Summary: This work focuses on making effective contributions in the field of solar aviation using nanotechnology, specifically the Casson hybrid nanofluid, to enhance the thermal efficiency of solar aircraft wings. Through parametrical studies and numerical simulation methods, the feasibility of using hybrid nanofluids to improve the performance of solar wings has been validated.
INTERNATIONAL JOURNAL OF ENERGY RESEARCH
(2021)
Review
Green & Sustainable Science & Technology
Yanyan Xu et al.
Summary: Global demands for sustainable energy are increasing rapidly, and efficient energy management is a key method to address the energy crisis. Pulsating heat pipe, as a thermal management system, shows great application potential due to its simple structure and excellent heat transfer performance. Researchers are focusing on improving heat transfer performance and understanding the operation mechanisms of PHPs, as well as discussing the application and optical properties of nanofluids in PHPs.
RENEWABLE & SUSTAINABLE ENERGY REVIEWS
(2021)
Article
Green & Sustainable Science & Technology
Michel Y. Haller et al.
Summary: Reduction and oxidation of aluminum can offer an affordable solution for long term energy storage, production of renewable energy, and generation of heat and power through oxidation. This study presents a combined heat and power production unit based on aluminum, showcasing high conversion efficiency and the ability to recycle resources.
Article
Physics, Multidisciplinary
Jong Hoon Kang et al.
Summary: Research indicates that both superhydrophilic and superhydrophobic meshes can improve collection efficiency in atmospheric fog harvesting, with superhydrophobic treatments providing the best performance. However, in industrial fog harvesting, only superhydrophilicity enhances performance.
FRONTIERS IN PHYSICS
(2021)
Article
Thermodynamics
Juno Kim et al.
ENERGY CONVERSION AND MANAGEMENT
(2020)
Article
Thermodynamics
Wookyoung Kim et al.
INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER
(2020)
Article
Thermodynamics
Meibo Xing et al.
INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER
(2020)
Article
Thermodynamics
Jaeyeong Jo et al.
ENERGY CONVERSION AND MANAGEMENT
(2019)
Article
Thermodynamics
Rongji Xu et al.
INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER
(2019)
Article
Thermodynamics
Durga Bastakoti et al.
APPLIED THERMAL ENGINEERING
(2018)
Article
Thermodynamics
Qingping Wu et al.
INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER
(2016)
Review
Thermodynamics
Amir Faghri
JOURNAL OF HEAT TRANSFER-TRANSACTIONS OF THE ASME
(2012)
