SBIR/STTR Research Award

NOISE SUPPRESSOR DEVELOPMENT-QUIET VALVES FOR AIR PRESSURE REDUCTION MANIFOLDS

Award identifier f97889444568a1f9e7bcf04e8a1f236bec2a676ddf8d81d8db5baa21c59e1e1cAwarding agency Department of Defense · Navy

Award amount

$578,591

Program and phase

SBIR · Phase II

Award year

1991

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Award details

Awarding agency
Department of Defense
Branch
Navy
Recipient company
Annapolis Research & Dev
Proposal award date
Not reported
Contract end date
Not reported
UEI
Not reported
Solicitation number
Not reported
Topic code
Not reported

Research abstract

THIS PROPOSAL WILL DEMONSTRATE (IN 2" TO 4" SIZE), A NOISE REDUCING TRIM THAT CAN BE UTOLIZED IN ROTARY CONTROL/ON-OFF BALL VALVES. THIS VALVE TRIM ADDRESSES NOISE AT THE SOURCE. THE BASIC DESIGN HAS A VARIABLE IMPEDENCE TRIM TO CAUSE A HIGH IMPEDENCE AT LOW ANGLES OF OPENING AND LOW IMPEDENCE (VERY LITTLE FLOW RESTRICTION) AT LARGE OPENING ANGLES. IT IS AN IDEAL VALVE FOR PRESSURIZATION/DE-PRESSURIZATION, BLOW-DOWN AND VARIABLE DELTA P-VARIABLE FLOW CONTROL APPLICATIONS. TYPICAL ALTENUATION RANGES FROM -15-30DBA DEPENDING UPON TRIM ARRANGEMENT AND SELECTION.

Technology keywords

Not reported

Agency intelligence

Department of Defense

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