SBIR/STTR Research Award

DYNAMIC PRESSURE GAGE DEVELOPMENT FOR SUBSONIC FLOWS

Award identifier 249acf767770807df4670ee44b9efa330465b78095c0358ea716406c740e09aeAwarding agency Department of Defense · Defense Threat Reduction Agency

Award amount

$49,935

Program and phase

SBIR · Phase I

Award year

1988

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Award details

Awarding agency
Department of Defense
Branch
Defense Threat Reduction Agency
Recipient company
Tech Reps Inc
Proposal award date
Not reported
Contract end date
Not reported
UEI
Not reported
Solicitation number
Not reported
Topic code
Not reported

Research abstract

THE OBJECTIVE OF THIS PROJECT IS TO DEVELOP AN IMPROVED DIFFERENTIAL PRESSURE GAGE FOR DETERMINING DYNAMIC PRESSURE WITHIN BLAST AND SHOCK WAVE FLOWS WHERE THE FLOWS ARE SUBSONIC. DERIVATION OF DYNAMIC PRESSURE FROM A MEASUREMENT OF THE DIFFERENCE BETWEEN STAGNATION PRESSURE AND SIDE-ON OR STATIC PRESSURE REQUIRES USE OF THE SIDE-ON PRESSURE RECORD TO CORRECT FOR COMPRESSIBILITY EFFECTS. CURRENTLY THE SIDE-ON PRESSURE WAVEFORM MUST BE MEASURED BY A SEPARATE GAGE LOCATED APART FROM THE DIFFERENTIAL PRESSURE GAGE. THIS WAVEFORM MAY DIFFER FROM THAT OCCURRING AT THE DIFFERENTIAL PRESSURE GAGE LOCATION. UNDER THIS PROJECT, THE DIFFERENTIAL PRESSURE GAGE PROBE WILL BE MODIFIED TO ADD A GAGE TO MEASURE THE SIDE-ON PRESSURE IN ADDITION TO THE DIFFERENTIAL PRESSURE. THIS MODIFIED PROBE WILL BE EVALUATED IN SHOCK TUBE TESTS.

Technology keywords

Not reported

Agency intelligence

Department of Defense

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