Results 31 to 40 of about 65,608 (182)
Health indicator construction and remaining useful life prediction for space Stirling cryocooler
Advances in Mechanical Engineering, 2019 Stirling cryocoolers are widely used to refrigerate significant facilities in military and aerospace applications. However, under the influences of high-frequency piston motion and thermal environment deterioration, the refrigerating performance of ...
Lei Song +3 more
doaj +1 more source
Development of Stirling Cryocooler in Space.
TEION KOGAKU (Journal of Cryogenics and Superconductivity Society of Japan), 1992 For earth observations and for astronomical observations in space, there is a need to extend observation periods and improve detector performance. Development of mechanical cryocoolers with longer lifetimes and improved cooling capacity is anticipated.
FUKUDA, Tamio +4 more
openaire +2 more sources
Awareness of alcohol marketing among adolescents in Scotland: Findings from the 2017 and 2019 Youth Alcohol Policy Surveys [PDF]
, 2021 Research routinely suggests a causal link between exposure to alcohol marketing and alcohol use among young people. This briefing presents data examining awareness of alcohol marketing among adolescents in Scotland, changes in marketing awareness between
Newberry Le Vay, Jessica +2 more
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Putting the environment at the heart of prosperity & social inclusion: The Stirling Protocol [PDF]
, 2020 Scotland’s Programme for Government 2019-20, Protecting Scotland’s Future, sets out an ambitious target to achieve net-zero greenhouse gas emissions by 2045.
Rogers, John +4 more
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A high efficiency hybrid stirling-pulse tube cryocooler
AIP Advances, 2015 This article presented a hybrid cryocooler which combines the room temperature displacers and the pulse tube in one system. Compared with a traditional pulse tube cryocooler, the system uses the rod-less ambient displacer to recover the expansion work ...
Xiaotao Wang +6 more
doaj +1 more source
Strength Study of Spiral Flexure Spring of Stirling Cryocooler [PDF]
, 2020 : Stirling cryocooler becomes the research focus in many countries, because of high efficiency and compact structure. But the structure design, material selection and mechanical performance of spiral flexure spring, which is the key component of stirling
Jia-Ming Zhang, Wen-Rui Wang, Nie Shuai
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Active vibration control for a Free Piston Stirling Engine generator using a voice coil actuator [PDF]
, 2015 This work presents the study of active vibration control for a FPSE/ LA engine to ensure a reliable engine operation within a broader range of operation frequencies [50 ± 3 Hz] complying with new regulations.
Torres Perez, Angel; id_orcid +6 more
core +1 more source
Alexandria Engineering Journal, 2015 In this paper, new relations for calculating heat transfer and pressure drop characteristics of oscillatory flow through wire-mesh screen regenerator such as Darcy permeability, Forchheimer’s inertial coefficient, and heat transfer area per unit volume ...
A.A. Boroujerdi, M. Esmaeili
doaj +1 more source
Development of high capacity stirling cryocooler
Progress in Superconductivity and Cryogenics, 2015 Abstract Cryogenic cooling system for HTS electric power devices requirea reliable and efficient highs -capacity cryocooler. A Striling cryocooler with a linear compressor can be a good candidate. It has advantages of low vibration and long maintenance cycle compared with a kinematic-driven Stirling cryocooler.
Junseok Ko +5 more
openaire +2 more sources
Scalable Room‐Temperature Terahertz Graphene Cameras
Small Methods, EarlyView.ABSTRACT Terahertz (THz) imaging has emerged as a powerful tool for non‐destructive, label‐free analysis across several scientific disciplines, ranging from materials science to biomedical research. By capturing the spatial‐dependent information in a broad range of frequencies, this technique enables the identification of chemical composition ...
Lili Shi +2 more
wiley +1 more source