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Research on hydrogen distribution characteristics in town hydrogen-doped methane pipeline. [PDF]
Sci RepBan J +6 more
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Energy, 2022
Abstract When integrating the gravity heat pipe with solar collector, the diameters of the evaporator and condenser are usually unequal, namely unequal diameter gravity heat pipe (UDGHP). Compared with the equal diameter gravity heat pipe (EDGHP), there are few studies focusing on operating pattern of the UDGHP.
Tao Zhang
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Abstract When integrating the gravity heat pipe with solar collector, the diameters of the evaporator and condenser are usually unequal, namely unequal diameter gravity heat pipe (UDGHP). Compared with the equal diameter gravity heat pipe (EDGHP), there are few studies focusing on operating pattern of the UDGHP.
Tao Zhang
exaly +2 more sources
Application of an anti-gravity oscillating heat pipe on enhancement of waste heat recovery
Energy Conversion and Management, 2020Abstract An anti-gravity oscillating heat pipe are introduced to enhance the waste heat recovery from an upper heat source to a lower object. A conceptual facility using an anti-gravity oscillating heat pipe as a core part of the heat conductor is set up for the recovery of waste heat from the upper high-temperature “exhaust” to preheat the diesel in
Xiangdong Liu +2 more
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Characteristics of a gravity-assisted heat pipe-based heat exchanger
Heat Recovery Systems and CHP, 1991Abstract An experimental study of the performance of an air-to-air thermosyphon-based heat exchanger utilizing R-22 as the working fluid has been carried out to investigate its behavior under different operating conditions. A test installation has been developed to model a variety of HVAC real life applications.
T. Wadowski, A. Akbarzadeh, P. Johnson
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Internal Heat Extraction by Gravity Heat Pipe for Spontaneous Combustion Remediation
Combustion Science and Technology, 2021The spontaneous combustion of coal storage piles and gangue piles in coal mines has been resulting in significant resource waste and serious environmental pollution.
Wan-Xing Ren +3 more
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Experimental Study of Gravity Heat Pipe with ECT
Applied Mechanics and Materials, 2012Gravity heat pipe’s interior phase change and heat transfer mechanisms are hardly to research, yet significant for strengthening heat transfer and enhancing energy utilization. This paper reports experimental study on the reconstructed images and concentration measurement of liquid (ethanol) at condensation section of gravity heat pipe with electrical ...
Qian Liu +4 more
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Heat transfer performance and startup characteristics of separated gravity heat pipe
International Journal of Heat and Fluid FlowKe Wang +4 more
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Gravity Heat Pipes as Geothermal Convectors
1982Design of and tests on a gravity heat pipe transmitting up to 25 kW thermal power from a surface aquifer in a volcanic area are described. This includes laboratory tests on a single pipe immersed in a thermostatically controlled water sink, which enabled determination of overall pipe conductance, and is followed by details of the design and ...
CANNAVIELLO M. +4 more
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An investigation into gravity independent oscillating heat pipes
2021[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT AUTHOR'S REQUEST.] A number of oscillating heat pipes (OHPs) with unbalanced structures were investigated in an effort to develop methods enabling OHPs to be gravity independent. The unbalanced structures investigated herein include the effects of uneven turn and check valves.
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