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- W2331271878 abstract "At Pratt & Whitney Rocketdyne (PWR) we have developed a methodology and system analysis tool that combines Design, Combustion Analysis, Structural Analysis, and Materials Engineering. This is an easy-to-use tool that reduces a typical cycle time for this type of analysis from three months down to one day. The rocket equation has two very important variables; propellant specific impulse and propellant mass fraction. This is a very simple equation, but very difficult to accurately predict the delta velocity for rocket systems during the conceptual phase. At least until now! In 2009, PWR improved the propulsion system sizing tool even further, by adding a detailed injector design and first order analysis module. This module improves the prediction of C star efficiency including boundary layer cooling effects by accurately calculating the mixing efficiency and vaporization efficiency in bipropellant hypergolic thrust chambers. This C star efficiency is then used to calculate the effective specific impulse used in the rocket equation." @default.
- W2331271878 created "2016-06-24" @default.
- W2331271878 creator A5069526978 @default.
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- W2331271878 date "2010-07-25" @default.
- W2331271878 modified "2023-09-26" @default.
- W2331271878 title "First Order Bi-Propellant Injector Design and Analysis for Small Rocket Engines" @default.
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- W2331271878 doi "https://doi.org/10.2514/6.2010-6736" @default.
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