標(biāo)題: Titlebook: Cryocoolers 11; R. G. Ross Book 2002 Springer Science+Business Media New York 2002 electronics.material.refrigeration.space [打印本頁(yè)] 作者: brachytherapy 時(shí)間: 2025-3-21 19:59
書(shū)目名稱Cryocoolers 11影響因子(影響力)
作者: 擁護(hù) 時(shí)間: 2025-3-21 23:31
mal imaging systems. DOD has established a family of SADAs to address high performance (SADA I), mid-to-high performance (SADA II), and compact class (SADA III) systems. SADAs consist of the Infrared Focal Plane Array (IRFPA), Dewar, Command & Control Electronics (C&CE), and the cryogenic coolers. S作者: 幻想 時(shí)間: 2025-3-22 03:01
ation of the. long-term performance of different types of cryocoolers. These coolers were developed to support the long life space mission requirements of the United States Air Force SBIRS-Low Program Office, the Ballistic Missile Defense Organization (BMDO), the National Aeronautics and Space Admin作者: 鳥(niǎo)籠 時(shí)間: 2025-3-22 08:38 作者: 手段 時(shí)間: 2025-3-22 10:55
at 60 K. This Oxford-class unit employs three finger tangential flexures in the compressor module. These flexures have been shown to provide smoother, lower vibration piston motion than previously obtained with conventional three finger spiral flexures. Acceptance Tests validated the required perfor作者: 似少年 時(shí)間: 2025-3-22 14:16
Karen Keifer-Boyd,Wanda B. Knight,Ann Holtir Force SBIRS Low Program Office. It was created to characterize the thermodynamic performance and long life potential of cryogenic cooling technologies developed by various defense industry contractors. The objectives of the characterization process are to explore the cooler’s ability to perform a作者: 似少年 時(shí)間: 2025-3-22 19:33
Peter Mbago Wakholi,Peter R. Wrighttors. This program has been sponsored by the US Ballistic Missile Development Organization. It is a further extension of a Rutherford Appleton Laboratory (RAL) 20 K cooler being space qualified at Astrium (formerly Matra Marconi Space (MMS)). New features include optimized geometry and enhanced rege作者: Keratin 時(shí)間: 2025-3-23 00:53
The Importance of Being Upside-Downur analysis shows that hybrids consisting of a Joule-Thomson (J-T) cooler coupled with a mechanical cooler are the most efficient when used in a low Earth orbit. We are developing a hybrid cryocooler consisting of a helium J-T system coupled to a Stirling cycle mechanical cooler for these applicatio作者: 音樂(lè)學(xué)者 時(shí)間: 2025-3-23 03:08
Awakening Mindfulness in Science?Educationproperties associated with geometry, materials, gas properties, heat transfer devices, flow manifolds, mechanical mechanisms, and electro-mechanical devices that determine a particular machine’s performance make quick optimization difficult. Single-stage coolers are now sufficiently well understood 作者: charisma 時(shí)間: 2025-3-23 09:04
https://doi.org/10.1007/978-94-6351-182-7anufacture of large-volume free-piston (linear) compressors. The price of the cryocooler is projected to be $2,000 per unit in lots of 10,000, with availability in the first quarter of 2001. In comparison to the M77 cryocooler, the M87 shows enhanced rated efficiency (20%), improved cooling power, a作者: 食品室 時(shí)間: 2025-3-23 11:55
Bold Visions in Educational Researchmust not only be low cost, but also have long life and high reliability. Over the past two years Superconductor Technologies Inc. (STI) has integrated a new cryocooler design into our commercial HTS systems. This cooler is an improvement over the previous cooler we were using in this application how作者: 收到 時(shí)間: 2025-3-23 15:53
Awakening Mindfulness in Science?Educationment. Its performance is 6 W at 70 K with 150 W input under 23°C ambient conditions; at 50°C ambient, it produces 5 W at 70 K with 150 W consumption. The mean time before failure for the design is over 40,000 hours. Flexure springs are used to support the compressor cylinders and the displacer in th作者: Affectation 時(shí)間: 2025-3-23 20:28
Ma?gorzata Powietrzyńska,Kenneth Tobinsertion of this technology into coolers intended for tactical or commercial application has been slow due to cost considerations. This paper describes the development and testing of a flexure spring system for small tactical cryocoolers that provides a doubling of operating life while costing approx作者: 勉勵(lì) 時(shí)間: 2025-3-23 22:21 作者: Choreography 時(shí)間: 2025-3-24 03:50
What is God? Between Texts and Mogra Trees,ation systems. In July 1999, we reported on our development of a 5 W Stirling pulse tube cryocooler with a contact-type compressor,. with a cooling capacity of 5.5 W at 80 K for 200 W of input power. However, demands for a smaller-sized cryocooler with higher efficiency and with 5-year reliability p作者: OVERT 時(shí)間: 2025-3-24 09:32
Leonardo Gabrielli,Stefano SquartiniK and 25°C ambient with 280 W of input power with a single-acting linear compressor. Its performance is greater than that of an LGE water-cooled PTC of last year, 4.9 W at 65 K and 20°C, with 270 W of input power. The air-cooled PTC, compared to the water-cooled one, has a lower-efficiency linear mo作者: 充氣球 時(shí)間: 2025-3-24 11:09
Wireless Networked Music Performance,temperature of the two instrument focal planes. The TES mission acquires high-resolution ozone concentration data in the earth’s troposphere in order to better understand the ozone: where it comes from and its interaction with other chemicals in the atmosphere. TES is scheduled to fly on the EOS-Aur作者: ethereal 時(shí)間: 2025-3-24 14:57
Leonardo Gabrielli,Stefano SquartiniInternational Space Station is scheduled for 2003. The basis for the cooler development is the AIM model SL200 cooler; it has a nominal cooling capacity of 3.5 W at 77 K, and is used for cooling high performance IR detectors. The space mission will have a duration of three years with two years in op作者: 冥界三河 時(shí)間: 2025-3-24 19:02 作者: 易彎曲 時(shí)間: 2025-3-25 00:29
https://doi.org/10.1007/b115268electronics; material; refrigeration; space作者: BACLE 時(shí)間: 2025-3-25 06:03 作者: JEER 時(shí)間: 2025-3-25 07:53
http://image.papertrans.cn/d/image/240494.jpg作者: 死亡 時(shí)間: 2025-3-25 14:48 作者: 內(nèi)向者 時(shí)間: 2025-3-25 17:02
Status of Programs for the DoD Family of Linear Drive Cryogenic Coolers for Weapon Systemsmal imaging systems. DOD has established a family of SADAs to address high performance (SADA I), mid-to-high performance (SADA II), and compact class (SADA III) systems. SADAs consist of the Infrared Focal Plane Array (IRFPA), Dewar, Command & Control Electronics (C&CE), and the cryogenic coolers. S作者: 惰性氣體 時(shí)間: 2025-3-25 20:28 作者: Concomitant 時(shí)間: 2025-3-26 02:54
Air Force Research Laboratory Cryocooler Reliability Initiativesin current cryocooler technology to achieve mission performance goals and achieve the necessary lifetime is a deterrent that often precludes the consideration of cryocooler technology for many space applications..The Air Force Research Laboratory (AFRL), through the Georgia Tech Institute of Technol作者: Frequency 時(shí)間: 2025-3-26 05:04
Protoflight Spacecraft Cryocooler Performance Resultsat 60 K. This Oxford-class unit employs three finger tangential flexures in the compressor module. These flexures have been shown to provide smoother, lower vibration piston motion than previously obtained with conventional three finger spiral flexures. Acceptance Tests validated the required perfor作者: optional 時(shí)間: 2025-3-26 12:22 作者: 新字 時(shí)間: 2025-3-26 15:05
The Development of a 10 K Closed Cycle Stirling Cooler for Space Usetors. This program has been sponsored by the US Ballistic Missile Development Organization. It is a further extension of a Rutherford Appleton Laboratory (RAL) 20 K cooler being space qualified at Astrium (formerly Matra Marconi Space (MMS)). New features include optimized geometry and enhanced rege作者: aviator 時(shí)間: 2025-3-26 17:01 作者: 祖?zhèn)髫?cái)產(chǎn) 時(shí)間: 2025-3-27 00:34 作者: 騙子 時(shí)間: 2025-3-27 02:24
The Advent of Low Cost Cryocoolersanufacture of large-volume free-piston (linear) compressors. The price of the cryocooler is projected to be $2,000 per unit in lots of 10,000, with availability in the first quarter of 2001. In comparison to the M77 cryocooler, the M87 shows enhanced rated efficiency (20%), improved cooling power, a作者: 教唆 時(shí)間: 2025-3-27 09:11 作者: Pastry 時(shí)間: 2025-3-27 10:24
Development of a Long-Life Stirling Cryocoolerment. Its performance is 6 W at 70 K with 150 W input under 23°C ambient conditions; at 50°C ambient, it produces 5 W at 70 K with 150 W consumption. The mean time before failure for the design is over 40,000 hours. Flexure springs are used to support the compressor cylinders and the displacer in th作者: Inflamed 時(shí)間: 2025-3-27 15:46
Flexure Springs Applied to Low-Cost Linear Drive Cryocoolerssertion of this technology into coolers intended for tactical or commercial application has been slow due to cost considerations. This paper describes the development and testing of a flexure spring system for small tactical cryocoolers that provides a doubling of operating life while costing approx作者: Grandstand 時(shí)間: 2025-3-27 20:45 作者: Introvert 時(shí)間: 2025-3-27 22:38 作者: nutrients 時(shí)間: 2025-3-28 05:03 作者: 異端 時(shí)間: 2025-3-28 08:11 作者: 路標(biāo) 時(shí)間: 2025-3-28 12:43
The AIM Space Cryocooler ProgramInternational Space Station is scheduled for 2003. The basis for the cooler development is the AIM model SL200 cooler; it has a nominal cooling capacity of 3.5 W at 77 K, and is used for cooling high performance IR detectors. The space mission will have a duration of three years with two years in op作者: condone 時(shí)間: 2025-3-28 16:23
Miniature Pulse Tube Cryocooler for Space Applicationsnding from NASA/GSFC. The cold end is a U-tube configuration, and is driven by a dual opposed piston flexure bearing compressor. The compressor utilizes a moving magnet linear motor and incorporates a number of features that simplify assembly and enhance reliability. This cooler is designed for 0.3 作者: FID 時(shí)間: 2025-3-28 21:15
Military Space Cryogenic Cooling Requirements for the 21st Centuryily on reliability and the achievement of long life. However, looking ahead at 21 st century military space applications, there are improvements needed in several aspects of current cooling technology including higher capacity cooling loads, mass reduction, and improvement in efficiency, low tempera作者: 衰弱的心 時(shí)間: 2025-3-29 01:10
Status of Programs for the DoD Family of Linear Drive Cryogenic Coolers for Weapon Systems have low input power, a quick cool-down tune, low vibration output, low audible noise, and higher reliability. This paper (1) outlines the characteristics of each cooler, (2) presents the status and results of qualification tests, and (3) presents the status and test results of efforts to increase 作者: PRISE 時(shí)間: 2025-3-29 06:11
Air Force Research Laboratory Cryocooler Characterization and Endurance Updatepers, technology sponsors, and technology users. This feedback is essential for cryocooler design enhancements and future cryogenic technology development efforts. There are two cryocoolers undergoing characterization at AFRL. These include the Astrium (formerly Matra Marconi Space) 10 K Cryocooler,作者: 使閉塞 時(shí)間: 2025-3-29 07:54 作者: N斯巴達(dá)人 時(shí)間: 2025-3-29 12:24
Protoflight Spacecraft Cryocooler Performance Results with a brassboard command and control module that provides simultaneous temperature and Adaptive Feed-Forward vibration control. The PSC with brassboard electronics have been delivered to the Air Force Research Lab in Albuquerque, where additional testing has validated the results obtained at Rayth作者: 認(rèn)識(shí) 時(shí)間: 2025-3-29 19:06
Characterization of Raytheon’s 60 K 2W Protoflight Spacecraft Cryocoolerich uses a mass balancer to reduce vibration. It is designed to lift a heat load of 2W at 60K, with a nominal rejection temperature of 300K. The characterization of the PSC involved a series of experiments, including cool-down to lowest temperature, design point verification, parameter optimization,作者: 聾子 時(shí)間: 2025-3-29 20:54
The Development of a 10 K Closed Cycle Stirling Cooler for Space Usege..The proof of concept program included the detail design of the optimized displacer and compressor, and the manufacture and assembly leading to proof of concept laboratory testing. During testing, the cooler reached a base temperature of 9.4 K.作者: 盡責(zé) 時(shí)間: 2025-3-30 01:12
Development of a 12 K Stirling Cycle Precooler for a 6 K Hybrid Cooler System is a continuance of our previous work on linear Stirling coolers. We have developed one-, two-, and three-stage Stirling coolers for various NASA and Department of Defense programs. For the Explorer 6 K, we have focused on adapting our three-stage Stirling cooler for operation at lower temperatures作者: 重畫(huà)只能放棄 時(shí)間: 2025-3-30 06:56
Thermodynamic Optimization of Multi-Stage Cryocoolersme typically available to perform optimization procedures combined with the large number of variables and their complex interaction results in sub-optimal products. This paper presents a concept for optimization that more rapidly converges on an optimal design.作者: LIEN 時(shí)間: 2025-3-30 11:18 作者: 謊言 時(shí)間: 2025-3-30 12:44
High Reliability Coolers under Development at Signaal-USFAxure-bearing suspension, side loads on the piston seals are avoided. A proper alignment procedure ensures no contact between piston and cylinder during operation, resulting in the absence of wear of the piston coating, which normally determines the lifetime of a cooler..The moving-magnet technology,作者: electrolyte 時(shí)間: 2025-3-30 19:04 作者: 誘惑 時(shí)間: 2025-3-30 22:04
TES FPC Flight Pulse Tube Cooler Systeme coolers are required to provide 1W cooling at 57K while rejecting to 35°C with less than 63W input power to the electronics. The system (cooler and electronics) required mass is less than 17.1 kg. The system also includes radiation-hardened control electronics and provides cooler control functions作者: Override 時(shí)間: 2025-3-31 03:07
Pursuing Practice Wisdom in Leadershipily on reliability and the achievement of long life. However, looking ahead at 21 st century military space applications, there are improvements needed in several aspects of current cooling technology including higher capacity cooling loads, mass reduction, and improvement in efficiency, low tempera作者: GUILE 時(shí)間: 2025-3-31 08:32
have low input power, a quick cool-down tune, low vibration output, low audible noise, and higher reliability. This paper (1) outlines the characteristics of each cooler, (2) presents the status and results of qualification tests, and (3) presents the status and test results of efforts to increase 作者: 障礙 時(shí)間: 2025-3-31 10:19 作者: 戲服 時(shí)間: 2025-3-31 15:14 作者: 衍生 時(shí)間: 2025-3-31 19:23 作者: Immobilize 時(shí)間: 2025-4-1 01:16
Karen Keifer-Boyd,Wanda B. Knight,Ann Holtich uses a mass balancer to reduce vibration. It is designed to lift a heat load of 2W at 60K, with a nominal rejection temperature of 300K. The characterization of the PSC involved a series of experiments, including cool-down to lowest temperature, design point verification, parameter optimization,作者: 發(fā)出眩目光芒 時(shí)間: 2025-4-1 05:37
Peter Mbago Wakholi,Peter R. Wrightge..The proof of concept program included the detail design of the optimized displacer and compressor, and the manufacture and assembly leading to proof of concept laboratory testing. During testing, the cooler reached a base temperature of 9.4 K.作者: 搜尋 時(shí)間: 2025-4-1 08:04 作者: 多嘴 時(shí)間: 2025-4-1 11:05
Awakening Mindfulness in Science?Educationme typically available to perform optimization procedures combined with the large number of variables and their complex interaction results in sub-optimal products. This paper presents a concept for optimization that more rapidly converges on an optimal design.作者: Digest 時(shí)間: 2025-4-1 17:33
Ma?gorzata Powietrzyńska,Kenneth Tobine test data is presented to demonstrate the robustness of the design in tactical environments. The producibility of the design is evidenced by the on-going production of these coolers for various applications.作者: 無(wú)畏 時(shí)間: 2025-4-1 21:38
,On the Uses of the Word “God”,xure-bearing suspension, side loads on the piston seals are avoided. A proper alignment procedure ensures no contact between piston and cylinder during operation, resulting in the absence of wear of the piston coating, which normally determines the lifetime of a cooler..The moving-magnet technology,
