Results 181 to 190 of about 4,373 (227)
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The Blade Design of a Bionic Shark Fin Airfoil for a Horizontal Axis Tidal Current Turbine
Journal of Energy Engineering, 2021AbstractThe horizontal axis tidal turbine is a typical apparatus to capture the energy in the ocean, but most traditional design methods of a turbine blade have led to the inefficiency of turbines....
Kaisheng Zhang +3 more
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Airfoil shaped pin-fin heat sink: Potential evaluation of ferric oxide and titania nanofluids
Energy Conversion and Management, 2019Abstract Miniaturization of devices poses many problems for the manufacturing industry. To maintain the temperature of such high heat generating devices hybrid cooling via mini-channel heat sinks in combination with nanofluid is one of the potential cooling techniques.
Hamza Babar, Hafiz Muhammad Ali
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Numerical study on novel airfoil fins for printed circuit heat exchanger using supercritical CO2
International Journal of Heat and Mass Transfer, 2018Abstract The Printed Circuit Heat Exchanger (PCHE) has attracted a lot of attentions recently due to its high efficiency and compactness, and the airfoil fin has excellent thermal–hydraulic performance compared with the zigzag channel in PCHE. Two novel fins were proposed in this study based on the configuration of NACA 0020 airfoil fin, in order to ...
Xinying Cui +5 more
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Journal of Thermal Science and Engineering Applications, 2023
Abstract As a novel, compact, and efficient plate-fin heat exchanger, the Printed Circuit Heat Exchanger (PCHE) is a prospective candidate for liquefied natural gas (LNG) vaporization at low-temperature and high pressure. Generally, the airfoil fin PCHE has better thermal–hydraulic performance than the zigzag channel PCHE. In this study,
Xiangfeng Meng +4 more
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Abstract As a novel, compact, and efficient plate-fin heat exchanger, the Printed Circuit Heat Exchanger (PCHE) is a prospective candidate for liquefied natural gas (LNG) vaporization at low-temperature and high pressure. Generally, the airfoil fin PCHE has better thermal–hydraulic performance than the zigzag channel PCHE. In this study,
Xiangfeng Meng +4 more
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Applied Thermal Engineering, 2021
Abstract To improve the performance of waste heat recovery, a novel airfoil fins heat exchanger was applied to flue gas waste heat recovery. Two groups of experimental conditions were installed to test the heat effectiveness of the novel airfoil fins heat exchanger.
ZengXiao Han +5 more
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Abstract To improve the performance of waste heat recovery, a novel airfoil fins heat exchanger was applied to flue gas waste heat recovery. Two groups of experimental conditions were installed to test the heat effectiveness of the novel airfoil fins heat exchanger.
ZengXiao Han +5 more
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Journal of Turbomachinery, 1989
Pin fins are commonly used as heat transfer augmentors for internal cooling of turbine airfoils. These pins may extend from one wall to the other or may be segmented to meet specific requirements of removing the airfoil’s varying heat load. Three configurations of the partial pins were tested in a channel with aspect ratio 25:1 and the results are ...
S. C. Arora, W. Abdel-Messeh
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Pin fins are commonly used as heat transfer augmentors for internal cooling of turbine airfoils. These pins may extend from one wall to the other or may be segmented to meet specific requirements of removing the airfoil’s varying heat load. Three configurations of the partial pins were tested in a channel with aspect ratio 25:1 and the results are ...
S. C. Arora, W. Abdel-Messeh
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47th AIAA Aerospace Sciences Meeting including The New Horizons Forum and Aerospace Exposition, 2009
The aim of the present paper is to develop a numerical method to simulate flow over rigid/moving boundaries using immersed boundary technique. The Navier-stokes equations are discretized in space on a non-staggered grid using second order accurate finite difference formulae.
Srinivasa Pantula, Meng Lu, William Liou
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The aim of the present paper is to develop a numerical method to simulate flow over rigid/moving boundaries using immersed boundary technique. The Navier-stokes equations are discretized in space on a non-staggered grid using second order accurate finite difference formulae.
Srinivasa Pantula, Meng Lu, William Liou
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Applied Thermal Engineering, 2015
Abstract Printed circuit heat exchanger (PCHE) is recommended to be used for intermediate heat exchanger in Very High Temperature Reactor (VHTR). One of the key features is that it is manufactured by the photochemical etching in order to maintain the internal structure and metal properties.
Ting Ma +5 more
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Abstract Printed circuit heat exchanger (PCHE) is recommended to be used for intermediate heat exchanger in Very High Temperature Reactor (VHTR). One of the key features is that it is manufactured by the photochemical etching in order to maintain the internal structure and metal properties.
Ting Ma +5 more
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Volume 4: Heat Transfer, Parts A and B, 2010
The present paper describes an experimental study on trailing edge film cooling of modern high-pressure turbine blades using coolant ejection through planar slots on a pressure side cutback. The experimental test section consists of a generic scaled-up trailing edge model in an atmospheric open loop wind tunnel, which has been used in earlier studies ...
Horbach, T., Schulz, A., Bauer, H.-J.
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The present paper describes an experimental study on trailing edge film cooling of modern high-pressure turbine blades using coolant ejection through planar slots on a pressure side cutback. The experimental test section consists of a generic scaled-up trailing edge model in an atmospheric open loop wind tunnel, which has been used in earlier studies ...
Horbach, T., Schulz, A., Bauer, H.-J.
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Journal of Thermal Science and Engineering Applications
Abstract In the context of high-temperature waste heat recovery, enhancing the cycle efficiency by elevating the critical temperature of the heat transfer fluid in the supercritical Brayton cycle presents a viable and significant optimization strategy.
Xiaojun Lian +6 more
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Abstract In the context of high-temperature waste heat recovery, enhancing the cycle efficiency by elevating the critical temperature of the heat transfer fluid in the supercritical Brayton cycle presents a viable and significant optimization strategy.
Xiaojun Lian +6 more
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