Thermal control surfaces experiment

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National Aeronautics and Space Administration, Marshall Space Flight Center, National Technical Information Service [distributor , [Huntsville], Ala, Springfield, VA
StatementD.R. Wilkes.
Series[NASA contractor report] -- NASA/CR-1999-209008., NASA contractor report -- NASA CR-209008.
ContributionsGeorge C. Marshall Space Flight Center.
The Physical Object
FormatMicroform
Pagination1 v.
ID Numbers
Open LibraryOL17597488M
OCLC/WorldCa42242913

Thermophysics: Applications to Thermal Design of Spacecraft is a collection of technical papers presented at the American Institute of Aeronautics and Astronautics's 7th Aerospace Sciences Meeting, held on January, in New York and 4th Thermophysics Conference, held on June, in San Francisco, California.

Thermal control surfaces experiment. [Donald R Wilkes; George C. Marshall Space Flight Center.] Book Microform: National government publication: Microfiche: English: Rating: (not yet rated) 0 with reviews - Be the first. Subjects: Temperature control. Environmental engineering.

Thermophysics and Temperature Control of Spacecraft and Entry Vehicles. Book • Part III discusses the effects of the space environment on the optical properties of thermal control surfaces.

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This part also presents results of flight experiments with sensors of environmental effects and flight experience with thermal coatings of. American Institute of Aeronautics and Astronautics Sunrise Valley Drive, Suite Reston, VA Part III discusses the effects of the space environment on the optical properties of thermal control surfaces.

This part also presents results of flight experiments with sensors of environmental effects and flight experience with thermal coatings of satellites. The Thermal Control Surfaces Experiment (TCSE) is the most complex system retrieved after long term space exposure. The TCSE is a microcosm of complex electro-optical payloads being developed and flown.

The objective of the TCSE on the LDEF was to determine the effects of the near-Earth orbital environment and the LDEF induced environment on spacecraft thermal control surfaces. Radiation-Induced Absorption Bands in Spacecraft Thermal Control Coating Pigments Electron Energy Dependance for In-Vacuum Degradation and Recovery in Thermal Control Surfaces Results from the ATS-3 Reflectometer Experiment II.

Analytical Predictions of Thermophysical Properties II.1 Radiation from a Bounded Medium. Thermal Control Components • Materials and coatings – Selective surfaces (αs does not equal εIR) – Paints, mirrors, silvered plastics, anodized materials – Optical Solar Reflectors (OSR) • Second surface mirror (reflector) under a transparent cover (emitter) – Silver coated Teflon is much tougher and less expensive, although not.

Topics covered include thermophysical studies connected with the entry of missiles, satellites and space probes into planetary atmospheres; development of more advanced and sophisticated laboratory apparatus for the measurement of optical properties; thermal control of space vehicles; study of the space environment and its effect on thermal.

Surface Obscuration-Effects on Reflecting Surfaces Optical Elements-Mirrors Thermal Control Surfaces Surface Obscuration-Effects on Transmitting Surfaces Solar Arrays Optical Elements-Lenses, Focal Plane Arrays, and Concentrated Optics Additional Concerns for Focal Planes.

Get this from a library. Thermal control surfaces experiment initial flight data analysis: final report. [Donald R Wilkes; Leigh L Hummer; United States. National Aeronautics and Space Administration.]. The Thermal Control Surfaces Experiment (TCSE) aboard the Long Duration Exposure Facility (LDEF) is the most comprehensive experiment flown to study the effects of the space environment on thermal control surfaces.

Selected thermal control surfaces were exposed to the LDEF orbital environment and the effects of this exposure measured. The Thermal Control Surfaces Experiment (TCSE) is the most complex system retrieved after long term space exposure.

The TCSE is a microcosm of complex electro-optical payloads being developed and flown. The objective of the TCSE on the LDEF was to determine the effects of the near-Earth orbital environment and the LDEF induced environment on.

Implications of Adhesion Studies for Dust Mitigation on Thermal Control Surfaces Experiments measuring the adhesion forces under ultrahigh vacuum conditions (10 (exp ) torr) between a synthetic volcanic glass and commonly used space exploration materials have recently been described.

The glass has a chemistry and surface structure typical of the lunar regolith. adshelp[at] The ADS is operated by the Smithsonian Astrophysical Observatory under NASA Cooperative Agreement NNX16AC86A. The Prospero thermal control surfaces experiment.

Date: Jan 01 - Dec 31 Held by: The National Archives, Kew: Former reference in its original department: TR Legal status: Public Record(s) Closure status: Open Document, Open Description Access conditions: Closed Until Active or passive systems. The thermal control subsystem can be composed of both passive and active items and works in two ways: Protects the equipment from overheating, either by thermal insulation from external heat fluxes (such as the Sun or the planetary infrared and albedo flux), or by proper heat removal from internal sources (such as the heat emitted by the internal electronic equipment).

Attempt at dust debris collection with stacked detectors (AO ) Analytic Subsidiary An overview of the first results on the solar array passive LDEF experiment (sample), AO Analytic Subsidiary Results of examination of the A white and Z black thermal control paint discs flown on LDEF Analytic.

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The use of interstitial or thermal control materials for thermal enhancement or thermal isolation of metallic junctions further effects the contact resistance. Although there are variations in material thickness and composition, the contact resistance for representative interstitial materials is shown in Figure 4.

Comprehensive NASA studies validated the effectiveness of nylon brush in preventing dust migration. To quote a study by James R.

Gaier and Stephen P. Berkebile, of the Glenn Research Center, Cleveland, Ohio: 'NASA/TM— 10, from March AIAA–– 'Implications of Adhesion Studies for Dust Mitigation on Thermal Control Surfaces Brushing Experiments Concern was raised.

NASA's Long Duration Exposure Facility, or LDEF (pronounced "eldef"), was a school bus-sized cylindrical facility designed to provide long-term experimental data on the outer space environment and its effects on space systems, materials, operations and selected spores' survival.

It was placed in low Earth orbit by Space Shuttle Challenger in April The experiment utilizes a passive Ge target which is covered with a thin metallized plastic foil.

The foil is coated on the outer (i.e., space facing) surface with a Au-Pd film for thermal control and to protect the foil from erosion by atomic oxygen present in the residual atmosphere. Thermal Control Coatings Experiment.

Exposure of Spacecraft Coatings. Thermal Control Surfaces Experiment. 57 Ion -Beam- Textured and. Coated Surfaces Experiment 62 Cascade Variable-ConductanceHeat Pipe 66 Low-Temperature Heat Pipe Experiment Package tHEPP) for )1i1.

70 Transverse Flat-Plate HeatPipe Experiment. WU Thermal. An improved instrument package, the Optical Properties Monitor ͑OPM͒, similar to the Thermal Control Surfaces Experiment package, was flown on a later space mission aboard the Russian Mir Space.

This paper describes the thermal performance of several thermal control paints, coatings, and surfaces, as characterized by a calorimetric vacuum emissometer.

The emissometer is designed to measure the functional emittance of a surface based on heat transfer from an underlying substrate to the surface and from the surface or near surface to a.

Chapter 1 Introduction It takes little more than a brief look around for us to recognize that fluid dynamics is one of the most important of all areas of physics—life as we know it would not exist without fluids, and.

Future missions to the lunar and Martian surfaces will additionally require thermal control coatings for which dust accumulation can be mitigated.

Although advancements continue in the area of thermal control materials technologies, thermal control coatings are not currently commercially available to meet all of these advanced requirements. Roger C. Linton's 13 research works with 46 citations and reads, including: Evaluation of Thermal Control Coatings and Polymeric Materials Exposed to Ground Simulated Atomic Oxygen and Vacuum.

Currently her role has been assisting with the research for thermal control materials and optical property degradation, analyzing the effects of specularity of Gateway thermal control surfaces and drafting a Thermal Control System Data Book for Gateway.

Passive thermal control of a spacecraft is reliant on external surface optical properties. Thermal Control Surfaces Experiment. lon-Beam-Textured and Coated Surfaces Experiment. Cascade Variable-Conductance Heat Pipe. Low-Temperature Heat Pipe Experiment Package (HEPP) for LDEF. Transverse Flat-Plate Heat Pipe Experiment.

LDEF Thermal Measurements System. Power and Propulsion.

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Space Plasma High-Voltage Drainage Experiment. Atomic oxygen cleaning of organic contaminants from surfaces of materials. Restoration of soot and fire damaged paintings and art objects. Surface chemical cleaning and morphology modification of polymer surfaces for improved bonding.heat transfer to other properties (either mechanical, thermal, or geometrical).

The answer to this is rooted in experiment, but it can be motivated by considering heat flow along a "bar" between two heat reservoirs at T A, T B as shown in Figure It is plausible that the heat transfer rate Q&, is a.subsystems such as those needed for life support, thermal control or communications produce significant disturbances here.

The impact of these is primarily a function of proximity to the disturbance source. In a similar way, experiment-related equipment needed to support or conduct scientific investigations on the space station can play a.