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25.02.2011 02:06 Age: 6 yrs
Category: Market
By: Alexander Ponomarenko

Rocket Propulsion Analysis (RPA) v.1.2 Released


The Propulsion-Analysis.com (former software.lpre.de) announced the availability of RPA 1.2, a multi-platform rocket engine analysis tool for rocketry professionals, scientists, students and amateurs.

RPA v.1.2 is available in two editions: freeware Lite Edition, which is completely free to use for all purposes, and commercial Standard Edition released under four different licenses.

RPA v.1.2 Standard Edition includes the following new features:

* scripting module to solve user's own problems, extending standard capabilities of the program
* propellant analysis tool to evaluate different propellant compositions, with stepwise replacement of one component with another one
* determination of combustion chamber size for given thrust, propellant mass flow rate, or throat diameter
* designing parabolic or MOC TIC nozzle contour with capability to export the resulting contour to DXF file
* producing publication-quality plots (in raster or vector format)

RPA v.1.2 Lite Edition comes with some minor improvements and bug fixes.

RPA utilizes an expandable chemical species library based on NASA Glenn thermodynamic database and Gurvich thermodynamic
database, that includes data for numerous fuels and oxidizers, such as liquid hydrogen and oxygen, kerosene, hydrogen
peroxide, MMH, and many others. With embedded species editor, the users may also easily define new propellant components, or import components from PROPEP or CEA2 species databases.

Key features of RPA:

* Robust, proven and industry-accepted Gibbs free energy minimization approach is used to obtain the combustion
* composition
* Analysis of nozzle flows with shifting and frozen chemical equilibrium
* Optimization of propellant components mixture ratio for maximum specific impulse of bi-propellant systems
* Altitude performance analysis
* Analysis of nozzle performance with respect to over-expansion and flow separation
* Throttled engine performance analysis
* Estimation of test (actual) nozzle performance
* Nested analysis, stepping of up to four independent variables

* Parameters input and results output in SI or U.S. customary units

Both Lite and Standard editions are available.


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