Paper Information

Title: 

MODELING OF CHAMBER FLOW FIELD OF SOLID ROCKET MOTORS WITH EROSIVE BURNING

Type: PAPER
Author(s): MANESHIAN M.A.,AKBARI M.H.*
 
 *DEPT. OF MECHANICAL ENGINEERING, SHIRAZ UNIVERSITY MOLLA-SADRA AVE., SHIRAZ
 
Name of Seminar: COMBUSTION CONFERENCE OF IRAN
Type of Seminar:  CONFERENCE
Sponsor:  ANJOMANE EHTERAGHE IRAN
Date:  2008Volume 2
 
 
Abstract: 

THE PERFORMANCE OF A SOLID ROCKET MOTOR DEPENDS HEAVILY ON THE FLOW CHARACTERISTICS, THE CHEMICAL COMPOSITION OF THE GRAIN, COMBUSTION PRODUCTS AND THE BURNING RATE. IN THIS STUDY THE START-UP TRANSIENT INTERNAL BALLISTICS OF A TYPICAL SOLID ROCKET MOTOR (SRM) IS NUMERICALLY SIMULATED. TWO BURNING RATE LAWS ARE USED TO MODEL SIMPLE AND EROSIVE BURNING. GOVERNING EQUATIONS OF 2 -DIMENSIONAL IN VISCID FLOW ARE SOLVED USING AN EXPLICIT MACCORMACK FINITE DIFFERENCE TECHNIQUE IN WHICH THE LOCATIONS OF SHOCK WAVES ARE CAPTURED BY THE SOLUTION SCHEME. EROSIVE BURNING INCREASES THE CHAMBER PRESSURE AND THRUST DURING THE EARLY PORTION OF BURNING FOR A PARTICULAR MOTOR.

 
Keyword(s): SOLID ROCKET MOTOR, EROSIVE BURNING, EULER EQUATIONS, MACCORMACK SCHEME
 
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