Design and testing of Ultralite Fabric Reflux Tubes

Pauley, Keith A.; Antoniak, Z.I.; L, King, L; Hollenberg, G.W.

doi:10.1063/1.43180

Cited by 4 publications

(1 citation statement)

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“…Evaluation of options for improving the ability to test and collect data from UFRTs is reportedin Section 2.4. A summaryof the past thermal vacuumchamber tests were reportedby Pauley et al (1993), but furtherevaluationof these data has been initiated as explained in Section 2.5.…”

Section: Progress On Tasksmentioning

confidence: 99%

Fiscal Year 1993 annual report for the Bubble Membrane Radiator Project

Guenther¹,

Pauley²,

Antoniak³

et al. 1994

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to continue development of promising thermal management concepts for space applications. In FY 1992 work was refocused from the BMR to fabrication and testing of ultralight fabric reflux tubes (UFRT) because of progress in this area and the desire to incorporate this concept in thermal management for a lunar colony. Development, optimization, and testing of UFRTs continued in FY 1993 under five tasks. Task B, Radiative Properties, and Task D, Development of Tough Metal UFRT Technology, were initiated in FY 1992 and completed this year. Three additional tasks were initiated: Task 1, Fabricate Tubes; Task 2, Heat Transfer Optimization; and Task 3, Analyses Follow-On. A summary of the activities under these tasks and conclusions are provided below. Theauthors would like tOthank PatriciaA. Petete and Kathryn M. Miller of the National Aeronautics and Space Administration,LyndonB. JohnsonSpace Center, Crew and Thermal Sciences Division, Houston, Texas, for their programmaticguidance and review of this effort. The authors would especially like to acknowledge the efforts of Dale V. Archerof Pacific Northwest Laboratory(PNL) for his contributionsto the fabricationof thin wall tubing. One of us (T. M.

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Section: Progress On Tasksmentioning

confidence: 99%

Fiscal Year 1993 annual report for the Bubble Membrane Radiator Project

Guenther¹,

Pauley²,

Antoniak³

et al. 1994

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Composite material heat pipe radiator

Gernert¹,

Sarraf²,

Guenther³

et al. 1996

AIP Conference Proceedings

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Optimization of a low-gravity reflux boiler system for lunar surface thermal control

Simon

Young

Chambers

et al.

Collection of Technical Papers. 35th Intersociety Energy Conversion Engineering Conference and Exhibit (IECEC) (Cat. No.00CH370

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A key element for space missions and outposts such as a lunar base is a well-designed thermal control system which provides an adequate thermal environment for both crew and equipment. One concept for accomplishing this is a reflux boiler device which operates like a heat pipe, transferring waste heat from the habitat module via a thermal bus to vertical tubes radiating to space. A previous paper by these authors describes a mathematical model of several light-weight tube configurations which had been built and tested by various manufacturers. Following model verification through correlation with NASA vacuum chamber test data, the model was used to simulate both single tubes and a linear array of tubes for lunar surface operation. After comparing the heat rejection capability of three manufactured configurations of the tubes under similar environmental conditions with normalized tube dimensions, performance predictions for a linear array of tubes operating in the lunar surface environment were then developed.

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Design and testing of Ultralite Fabric Reflux Tubes

Cited by 4 publications

References 0 publications

Fiscal Year 1993 annual report for the Bubble Membrane Radiator Project

Fiscal Year 1993 annual report for the Bubble Membrane Radiator Project

Composite material heat pipe radiator

Optimization of a low-gravity reflux boiler system for lunar surface thermal control

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