Computations for support design of measurements of radiation from low velocity shocked air

D. A. Levin, R. J. Collins, G. V. Candler

Research output: Contribution to journalArticlepeer-review

4 Scopus citations

Abstract

Hypersonic computational fluid dynamics techniques have recently been used to estimate radiation for vehicles with trajectories in the flight regime of 40 to 60 km altitude and at speeds of about 3.5 km/s. An experiment will be flown shortly to provide the first data to validate these calculations. In this paper, we show how the same computational tools have been used to help in the planning of instruments, primarily for the measurement of optical radiation in the ultraviolet. Theoretical predictions are shown for a sphere-cone vehicle with nose radius of 4 in., at a speed of 3.6 km/s between the altitudes of 40 and 60 km, and are also related to the specific radiometric and spectroscopic measurements planned.

Original languageEnglish (US)
Pages (from-to)463-468
Number of pages6
JournalJournal of thermophysics and heat transfer
Volume5
Issue number4
DOIs
StatePublished - 1991
Externally publishedYes

Bibliographical note

Funding Information:
This research is supported by SDIO/IST managed by the Army Research Office under contract MDA 903-89-C-0003. We would also like to acknowledge the Computational Chemistry Branch of NASA Ames Research Center for providing supercomputer time.

Funding Information:
This research is supported by SDIO/IST managed by the Army Research Office under contract MDA 903-89-C-0003. We would also like to acknowledge the Computational Chem- istry Branch of NASA Ames Research Center for providing supercomputer time.

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