Designing Valve Cores of Thrust Regulators with Simulation and Numerical Approximation
- Paper number
IAC-11,C4,3,16,x10431
- Author
Mr. Kan Sun, Beijing Aerospace Propulsion Institute, China
- Year
2011
- Abstract
As the main adjustments of the liquid propellant rocket engine, thrust regulators affect system balance by valve cores opening and throttle characteristics, upon that consecutive thrust variation is achieved. For a linear variable in the non-linear rocket engine system, special lines of the valve cores must be designed. In this paper, the variable thrust interval was discretized by a series of thrust eigenvalues, of which throttle coefficients could be estimated by simulation, then differential eguations of lines function of valve cores were solved with numerical approximation for getting manufacturing parameters. This method applied to several kinds of variable thrust engines, and the designing precision could be improved by increasing numbers of thrust eigenvalues, or getting real throttle coefficients from hydraulic test.
- Abstract document
- Manuscript document
(absent)