Overview of Lockheed Martin cryocoolers

Nast, T. C.; Olson, Jeff; Champagne, P.; Evtimov, B.; Frank, D.J.; Roth, E.; Renna, T.

doi:10.1016/j.cryogenics.2005.12.006

Cited by 24 publications

(14 citation statements)

References 1 publication

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“…For example, Lockheed Martin has done many excellent works in developing multistage STPTRs [3]. However, a multi-stage configuration will make the construction more complex.…”

Section: Introductionmentioning

confidence: 99%

Development of a high-frequency coaxial multi-bypass pulse tube refrigerator below 14K

et al. 2015

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“…For example, Lockheed Martin has done many excellent works in developing multistage STPTRs [3]. However, a multi-stage configuration will make the construction more complex.…”

Section: Introductionmentioning

confidence: 99%

Development of a high-frequency coaxial multi-bypass pulse tube refrigerator below 14K

et al. 2015

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“…Lockheed Martin qualified the microcryocooler to TRL 6 in 2013 [2]. This cryocooler's low mass (320 grams), small size (small enough to fit in ½ of a CubeSat U) and high predicted reliability made it a good candidate for JPL's IR spectrometer.…”

Section: Microcryocooler Heritagementioning

confidence: 99%

“…This testing did not use the compact transfer line configuration shown in figure 1, because we did not have enough time to build special heat sink mounting. Instead, we used a traditional transfer line of the earlier TRL 6 configuration [2,3].…”

Section: Measured Performance Of the Matisse Microcryocoolermentioning

confidence: 99%

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MatlSSE Microcryocooler

Olson

Kaldas

Champagne

et al. 2015

IOP Conf. Ser.: Mater. Sci. Eng.

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“…Since being introduced for the first time in 1981 (Davey, 1981), they are often used to drive cryocoolers to ensure long-life and high-reliability (Nast et al, 2006;Raab and Tward, 2010). The operation of the linear compressor comprises complex transition processes among the electrical, mechanical, and acoustic fields.…”

Section: Introductionmentioning

confidence: 99%

Acoustic impedance characteristics of linear compressors

Gan

Wang

Zhao

et al. 2013

J. Zhejiang Univ. Sci. A

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Abstract:The acoustic field of a linear compressor serves to deliver the compression work to the load, such as the connected cold head of a cryocooler; it plays an equivalently important role as the electrical and mechanical parts, especially in the impedance match issue. This paper studies the acoustic impedance characteristics of a linear compressor. The parameters including the current, the piston displacement, the pressure amplitude, the electrical power dissipation, the power factor, the pressure-volumetric (PV) power delivered, and the efficiency are theoretically and experimentally investigated. Different from previous theoretical studies, optimization for the operations away from the resonance is also included. More general optimization results imply relevance between thermoacoustic engines and linear compressors. The predicted results are validated by the experiments performed on a linear compressor with an adjustable resistive-capacitive (RC) acoustic load. The comparisons between the calculations and the measurements are presented and analyzed. The results provide deeper insight into the mechanism of the linear compressor and the impedance match in a cryocooler system.

show abstract

Overview of Lockheed Martin cryocoolers

Cited by 24 publications

References 1 publication

Development of a high-frequency coaxial multi-bypass pulse tube refrigerator below 14K

Development of a high-frequency coaxial multi-bypass pulse tube refrigerator below 14K

MatlSSE Microcryocooler

Acoustic impedance characteristics of linear compressors

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