Tech Briefs

Selecting Data From a Star Catalog

MCDUMP is a computer program that selects data from the SKYMAP SKY2000 Master Star Catalog — a database about 150 MB in size, stored on a computer hard drive.

Posted in: Software, Briefs

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Modified Penning-Malmberg Trap for Storing Antiprotons

One set of electrodes is used for both transmission and reception.

Posted in: Physical Sciences, Briefs

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Tumbleweed Rovers

Lightweight balls containing scientific instruments are propelled across terrain by wind.

Posted in: Physical Sciences, Briefs, TSP

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Simulations of Evaporating Multicomponent Fuel Drops

A paper presents additional information on the subject matter of “Model of Mixing Layer With Multicomponent Evaporating Drops” (NPO-30505), NASA Tech Briefs, Vol. 28, No. 3 (March 2004), page 55.

Posted in: Physical Sciences, Briefs, TSP

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Instrumentation for Sensitive Gas Measurements

Measurements are based on cavity-enhanced absorption.

Posted in: Physical Sciences, Briefs

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Apparatus for Testing Flat Specimens of Thermal Insulation

An improved design affords flexibility for testing under diverse conditions.

Posted in: Physical Sciences, Briefs

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Quadrupole Ion Mass Spectrometer for Masses of 2 to 50 Da

H2, He, O2, and Ar can be quantitated at low concentrations in N2.

Posted in: Physical Sciences, Briefs

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