SBIR/STTR Research Award
HIGH-EFFICIENCY FLOW INDUCTION
Award amount
$50,000Program and phase
SBIR · Phase IAward year
1990Award details
- Awarding agency
- National Aeronautics and Space Administration
- Branch
- Not reported
- Recipient company
- Foa Engineering
- Proposal award date
- Not reported
- Contract end date
- Not reported
- UEI
- Not reported
- Solicitation number
- Not reported
- Topic code
- Not reported
Research abstract
THE PROPOSED INNOVATION IS A METHOD FOR IMPROVING THE ENERGY TRANSFER EFFICIENCY OF "DIRECT FLOW INDUCTION" PROCESSES THROUGH ENHANCEMENT OF THEIR SINGLE NONDISSIPATIVECOMPONENT, WHICH IS THE WORK OF INTERFACE PRESSURE FORCES. THIS IS ACHIEVED BY IMPARTING A TRANSVERSE MOTION TO PADDLE-LIKE JETS OF THE ENERGIZING FLUID, WITHOUT, HOWEVER, IMPARTING THE SAME MOTION TO THE FLUID PARTICLES THAT MAKE UP THE JETS THEMSELVES, HENCE AT NO ENERGY COST EXCEPT FOR FRICTIONAL LOSSES. THE TRANSFER OF MOMENTUM AND ENERGY FROMTHESE "FLUID PADDLES" TO THE FLOW TO BE INDUCED WILL TAKE PLACE IN GOOD PART THROUGH THE WORK OF THE PRESSURE FORCES THAT THE TWO FLOWS EXERT ON ONE ANOTHER AT THEIR MOVING INTERFACES. USE OF THIS MECHANISM CAN BE EXPECTED TO LEAD TO THE DEVELOPMENT OF IMPROVED JET PUMPS AND THRUST- OR LIFT-AUGMENTING EJECTORS.
Technology keywords
Not reported