Results 1 to 10 of about 746 (146)
Effect of gas flow rate on the gas-lubricated piston in a stirling cryocooler [PDF]
Scientific ReportsUsing gas-lubricated pistons in Stirling cryocooler can reduce wear between the piston and cylinder, enhancing equipment reliability. This paper proposes a locally porous media-type gas-lubricated piston and investigates the regulatory effects of porous ...
Dandan Lei +5 more
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Numerical simulation and exergy analysis of a single-stage GM cryocooler [PDF]
Heliyon, 2023 Improving the efficiency of the GM cryocoolers is of great importance for energy saving and CO2 emission reduction due to the large amount of cryocoolers installed in the emerging fields of semiconductor manufacture and High Temperature Superconductors ...
Qinyu Zhao +6 more
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Study on the impedance characteristics of a high-capacity pulse tube cryocooler
Energy Reports, 2022 Stirling-type pulse tube cryocoolers are used in many applications such as military facilities, aerospace devices and superconductive systems. A major problem in improving its energy conversion efficiency is how to achieve a better impedance matching. In
Xiaokuan You +4 more
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Parametric Design and Comparative Analysis of a Special Purpose Flexure Spring [PDF]
E3S Web of Conferences, 2020 Flexure springs play pivotal role to ensure reliability and durability of the cryocooler compressors. The critical application of flexure spring intends to eliminate the wear, frictional losses and significantly vibrations.
Bhoyar Suraj +2 more
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IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2022 As we look forward to the next generation of hyperspectral infrared (IR) atmospheric sounders, grating spectrometers hold promise for improved performance (e.g., horizontal and spectral resolutions) and more rapid revisit while reducing the size and ...
Thomas S. Pagano +4 more
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Materials for Optical Cryocoolers [PDF]
Journal of Materials Chemistry C, 2013 Vibration-free cooling of detectors to cryogenic temperatures is critical for many terrestrial, airborne, and space-based instruments. Cooling of solids by anti-Stokes fluorescence is an emerging refrigeration technology that is inherently vibration-free and compact, and enables cooling of small loads to cryogenic temperatures.
Hehlen, Markus +4 more
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Measurement of Cryogenic Thermal Contact Resistance of Brass by Lamination Method
Shanghai Jiaotong Daxue xuebao, 2023 Prior studies on cryogenic thermal contact resistance (TCR) measurement mainly focus on liquid nitrogen temperature region and above. There are limited solid TCR data in the lower temperature region.
SHEN Yi, CAO Jiaxing, HUANG Yonghua
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Numerical Thermal Analysis and 2-D CFD Evaluation Model for An Ideal Cryogenic Regenerator
Micromachines, 2020 Regenerative cryocoolers such as Stirling, Gifford–McMahon, and pulse tube cryocoolers possess great merits such as small size, low cost, high reliability, and good cooling capacity.
Natheer Almtireen +2 more
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Energies, 2023 Three distinct thermodynamic analysis models are developed and applied to a renowned cryogenic engine (PPG-102), namely the isothermal model, the ideal Schmidt model, and the ideal adiabatic model. Through a comparative analysis, the theoretical outcomes
George Antonakos +3 more
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MethodsX, 2018 This report deals with the analysis of a cryocooler as a linear dynamical system around a set point, over a range of temperatures where the thermal properties can be considered constant.The accurate knowledge of the cryocooler temperature dependence with
Andrea Sosso, Paolo Durandetto
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