RENORMALIZATION GROUP FORMULATION OF TURBULENT TRANSPORT IN COMPLEX MEDIA

Award Information
Agency:
National Science Foundation
Branch
n/a
Amount:
$189,000.00
Award Year:
1987
Program:
SBIR
Phase:
Phase II
Contract:
n/a
Award Id:
1581
Agency Tracking Number:
1581
Solicitation Year:
n/a
Solicitation Topic Code:
n/a
Solicitation Number:
n/a
Small Business Information
P.o. Box 249, Mit Station, Cambridge, MA, 02139
Hubzone Owned:
N
Minority Owned:
N
Woman Owned:
N
Duns:
n/a
Principal Investigator:
Dr. Victor Yakhot
Scientist
() -
Business Contact:
DR. VICTOR YAKHOT
SCIENTIST
() -
Research Institute:
n/a
Abstract
RENORMALIZATION GROUP (RNG) METHODS ARE APPLIED TO THE DERIVATION OF TURBULENCE TRANSPORT MODELS FOR FLOWS WITH COMPLEX PHYSICS, LIKE TWO-PHASE FLOWS AND COMBUSTING FLOWS. THE RNG METHODS ARE ATTRACTIVE IN THAT THEY GIVE A DERIVATION OF THE APPROPRIATE FUNCTIONAL FORM FOR THE TRANSPORT CLOSURES, RELATE CONSTANTS APPEARING IN THE CLOSURE TO THE STRUCTURE OF HOMOGENEOUS, ISOTROPIC TURBULENCE AT SMALL SCALES, TREAT IN A DYNAMICALLY CONSISTENT WAY THE LOW REYNOLDS NUMBER EFFECTS IN WALL LAYERS, AND PROPERLY ACCOUNT FOR THE INTERFERENCE BETWEEN EDDY AND MOLECULAR EFFECTS. IN PHASE I, TWO PROTOTYPE PROBLEMS ARE CONSIDERED. FIRST, DUSTY GASES WILL STUDIED AS A PROTOTYPE OF TWO-PHASE FLOWS--TRANSPORT APPROXIMATIONS WILL BE DERIVED AND THE RESULTS COMPARED TO EXPERIMENTAL DATA. SECOND, PRE-MIXED FLAMES WILL BE CONSIDERED AS PROTOTYPES OF TURBULENT COMBUSTING MEDIA.

* information listed above is at the time of submission.

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