Instrument accurately measures extremely low air densities
Gauge accurately measures low air densities in high-vacuum systems. It relies on the detection of near-visible light radiated from nitrogen molecules present in the system.
Source record↗
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Search indexed NASA NTRS and DOE OSTI research on propulsion, heat transfer, battery materials and energy systems. Follow report and document links to the original sources.
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Chemiluminescent reaction processes pertinent to the chemosphere in the micron pressure region
Chemiluminescent reaction processes in vacuum system operating in micron pressure region
CHEMILUMINESCENCE↗
The potential for cobalt-tungsten superalloys.
Cobalt-tungsten superalloy for space power systems, vacuum furnaces and turbojet engines, emphasizing stress rupture and tensile test results
COBALT ALLOY↗
Portable sandblaster cleans small areas
Portable sandblasting unit rapidly and effectively cleans localized areas on a metal surface. The unit incorporates a bellows enclosure, masking plate, sand container, and used sand accummulator connected to a vacuum system. The bellows is equipped with an inspection window and light for observation of the sanding operation.
Severin, H. J.↗
Development of electrical switchgear for space nuclear electrical systems Quarterly progress report no. 4, 4 Sep. - 4 Dec. 1965
Development of electric switchgear for space nuclear electric systems - vacuum interrupter, actuator, and test facilities
SWITCHING ELEMENT↗
Precise doping of metals by small gas flows
Simple method was developed for doping refractory metals with oxygen. The metal specimens are heated in a dynamic high-vacuum system. The system can be used for other oxygen absorption processes /such as low-pressure oxidation measurements/ and for gases other than oxygen.
Barrett, C. A.↗
Experimental investigation of ultrahigh vacuum adhesion as related to the lunar surface Quarterly progress report, 27 Nov. 1967 - 31 Jan. 1968
Adhesion of ultrahigh vacuum cleaved silicates in contact with metal surfaces, and ultrahigh vacuum system for measuring electrostatic charging during cleavage
Grossman, J. J.↗
Defect Production in Single Crystal Resulting from Ion Bombardment Semiannual Status Report, 1 Jul. - 31 Dec. 1967
X ray spectrometer and vacuum system for single crystal defects studies
Shaffer, L. B.↗
Ultrahigh vacuum gauge calibration.
Ultrahigh vacuum gage calibration and operation noting vacuum system and hot cathode magnetron
Davis, W. D.↗
Evaporation techniques for the deposition of thin films.
Evaporation techniques for thin film deposition, discussing vacuum system design
Behrndt, K. H.↗
A vacuum spark light source for the extreme ultraviolet region.
Vacuum spark light source for extreme UV noting mechanical trigger, compatibility with clean vacuum system and magnetic confinement of ions
Rudisill, J. E.↗
A solution to tritium pump contamination for small accelerators.
Tritium contamination reduction in small ion accelerators for neutron production, discussing pumping problems and vacuum systems
Alger, D. L.↗
Mass spectrometer detects high molecular weight components
Monopole mass spectrometer uses sweep method to detect vacuum system contaminants. Method requires little increase of total scanning time.
Herzog, R. F.↗
High expansion coefficient glasses can be sealed to common metals
New series of high expansion coefficient glasses can be sealed by fusion onto hot surfaces of metals and alloys. Glasses have relatively low working temperatures, good chemical durability, and can be used in electrical insulators and feedthroughs to fluid or vacuum systems.
Camp, F. E.↗
Sorption vacuum trap
Modified sorption trap for use in high vacuum systems contains provisions for online regeneration of sorbent material. Trap is so constructed that it has a number of encapsulated resistance heaters and a valving and pumping device for removing gases from heated sorbing material. Excessive downtime is eliminated with this trap.
Barrington, A. E.↗
Astronaut breath analyzer Final report
Miniature vacuum system for use as breath analyzer in astronaut space suit
Brubaker, W. M.↗
Preparation for an investigation of the thermal radiation characteristics and thermal conductivity of lunar material Final report, 1968
Vacuum system and chamber design, and thermal radiation and conductivity measurement techniques for lunar material investigations
Birkebak, R. C.↗