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Solid rocket engine combustion products, the physical parameters of Theoretical prediction

Author: XuDeBin
Tutor: ChenJun
School: Nanjing University of Technology and Engineering
Course: Weapons systems and the use of engineering
Keywords: Solid rocket motor Combustion products Physical parameters Software Database
CLC: V435.12
Type: Master's thesis
Year: 2010
Downloads: 71
Quote: 0
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Abstract


With modern war weapons systems have become increasingly demanding in terms of the long-range mobility , solid rocket motors for the power source of the rocket , missile weapons play an important role. A solid rocket engine topics to solve numerical simulation of solid-fuel rocket engines theoretical performance estimates and work process needs , developing a friendly interface , the actual use of convenient , highly specialized products of combustion physical parameters (including thermal parameters and losers shipped coefficient, such as enthalpy than the heat capacity , entropy , viscosity and thermal conductivity , diffusivity, Prandtl number , etc. ) evaluation software . The thesis contains three aspects: First of all, in the mixed gas transport parameters calculated summary of research applied to calculate the single gas , multi-component gas mixture physical parameters of the Lennard-Jones potential correction method and Svehla number type fitting ; Secondly , the use of the relational data model , the establishment and improvement of the physical parameters of the database and the JANAF thermodynamic data thermodynamic database , users can easily query thermodynamic data and transport data of the products of combustion to increase , delete and print operation , a single combustion product as well as a mixture of arbitrary temperature thermodynamic parameter calculations ; Finally , Visual C 6.0 for development tools , the MFC the ODBC data access interface , developed applies in Windows XP, / Vista and Windows 7 operating system of material nature parameters theoretical prediction software . With literature data , check the Lennard-Jones potential and Svehla polynomial fitting calculate the applicability and accuracy of the single gas , multi-component gas transport parameters , the results show that the two calculation methods results could to meet the needs of engineering calculations . Finally, select the M-21 solid rocket motors for example , combined with the combustion chamber , the combustion products within the nozzle equilibrium composition , calculation and analysis of the variation of the physical parameters of the combustion products , for the solid rocket motor performance analysis and numerical simulation to provide a more accurate reference data.

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CLC: > Aviation, aerospace > Aerospace ( Astronauts ) > Propulsion system ( engine, propeller ) > Solid propellant rocket motor > Principles and calculation > Combustion process and combustion characteristics
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