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Rheological Characterization Of Nasa Propellants And Modeling Simulation Of The Mixing Process For Scale Up To Production
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Book Synopsis Rheological Characterization of NASA Propellants and Modeling/Simulation of the Mixing Process for Scale-Up to Production by : Lilia Mastov
Download or read book Rheological Characterization of NASA Propellants and Modeling/Simulation of the Mixing Process for Scale-Up to Production written by Lilia Mastov and published by . This book was released on 2005 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Rheological characterization and modeling by : Bapurao Bandgar
Download or read book Rheological characterization and modeling written by Bapurao Bandgar and published by GRIN Verlag. This book was released on 2020-03-11 with total page 129 pages. Available in PDF, EPUB and Kindle. Book excerpt: Document from the year 2020 in the subject Chemistry - Other, grade: Research, , course: Research, language: English, abstract: A detailed study of the theological modelling of composite propellant slurry based on hydroxyl terminated polybutadiene (HTPB) prepolymer, Dioctyl adipate (DOA) plasticizer, toluene diisocynate curative, ammonium per chlorate (AP) oxidizer and aluminium powder as a metallic fuel is carried out and studied the effect of each of the ingredients on the composite propellant slurry (cps). The effect of temperature on viscosity of polymer and plasticizer system was studied at different temperatures, and torques (shear force). The polymer hydroxyl terminated polybutadiene (HTPB) and plasticizer (DOA) viscosity data showed temperature dependence and independent of the torque (i.e. shear force). Therefore, the viscosity data has been modelled to polynomial model of a fourth order with temperature for polymer and plasticizer. The results showed good agreement between theory and experiment. These polynomial model results have been compared with Arrhenius model. The polynomial model showed better comparison within ± 4 % error compared to Arrhenius model with ± 4 to ± 22 % error over the temperature range of 30 - 70 °C. The viscosity of the mixture was also studied at different weight fractions of the polymer:plasticizer. The viscosity of mixture showed dependence on the weight fraction of the plasticizer and temperature. Rheology concerns itself with the mechanism of flow and deformation of matter. Deformation is a phenomenon, which is associated with a volume element. This term was invented by Prof. Bingham of Lafayette College, Indiana. Significant advances have been made in polymer rheology, in bio-rheology and in suspension rheology. There has been a significant appreciation of the importance of rheology in the chemical processing industry like medicine, paints and printing ink technology etc. and biotechnological industries. It has also made important contributions in food technology, building and structural engineering, cosmetics, drilling operations and oil wells etc.
Download or read book Chemical Engineering Progress written by and published by . This book was released on 2005 with total page 460 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Solid Propellant Processing Factors in Rocket Motor Design by : Carlton L. Horine
Download or read book Solid Propellant Processing Factors in Rocket Motor Design written by Carlton L. Horine and published by . This book was released on 1971 with total page 92 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Scientific and Technical Aerospace Reports by :
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1995 with total page 440 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :National Aeronautics and Space Administration (NASA) Publisher :Createspace Independent Publishing Platform ISBN 13 :9781721778812 Total Pages :28 pages Book Rating :4.7/5 (788 download)
Book Synopsis A Method for Incorporating Changing Structural Characteristics Due to Propellant Mass Usage in a Launch Vehicle Ascent Simulation by : National Aeronautics and Space Administration (NASA)
Download or read book A Method for Incorporating Changing Structural Characteristics Due to Propellant Mass Usage in a Launch Vehicle Ascent Simulation written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-06-24 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt: Launch vehicles consume large quantities of propellant quickly, causing the mass properties and structural dynamics of the vehicle to change dramatically. Currently, structural load assessments account for this change with a large collection of structural models representing various propellant fill levels. This creates a large database of models complicating the delivery of reduced models and requiring extensive work for model changes. Presented here is a method to account for these mass changes in a more efficient manner. The method allows for the subtraction of propellant mass as the propellant is used in the simulation. This subtraction is done in the modal domain of the vehicle generalized model. Additional computation required is primarily for constructing the used propellant mass matrix from an initial propellant model and further matrix multiplications and subtractions. An additional eigenvalue solution is required to uncouple the new equations of motion; however, this is a much simplier calculation starting from a system that is already substantially uncoupled. The method was successfully tested in a simulation of Saturn V loads. Results from the method are compared to results from separate structural models for several propellant levels, showing excellent agreement. Further development to encompass more complicated propellant models, including slosh dynamics, is possible. McGhee, D. S. Marshall Space Flight Center NASA/TM-2004-213549, M-1124
Book Synopsis Rheological Characterization of the Thiokol NASA Space Shuttle Booster Rodket Propellant by :
Download or read book Rheological Characterization of the Thiokol NASA Space Shuttle Booster Rodket Propellant written by and published by . This book was released on 2004 with total page 25 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Liquid Rocket Engine by : Rene Nardi Rezende
Download or read book Liquid Rocket Engine written by Rene Nardi Rezende and published by SAE International. This book was released on 2018-11-15 with total page 158 pages. Available in PDF, EPUB and Kindle. Book excerpt: The great engineering achievement required to overcome most of the challenges and obstacles that prevented turning rocket design from art into science took place in Europe and the United States between the 1930s and the 1950s. With the vast majority of the engines currently in operation developed in the “pre-computer” age, there are new opportunities to update the design methodologies using technology that can now handle highly complex calculations fast. The space sector with an intense focus on efficiency is driving the need for updating, adapting or replacing the old modeling practices with new tools capable of reducing the volume of resources and the time required to complete simulations and analysis. This book presents an innovative parametric model applicable to the project of some elements of the liquid rocket thrust chamber with the level of detail and accuracy appropriate to the preliminary design phase. It addresses the operating characteristics and dimensioning of some thrust chamber elements through a set of equations and parameters, which include thrust or propellant characteristics. The model degree of sophistication was adjusted to the requirements of the Project Life Cycle Phase B, while also enabling quick analysis of new configurations from changes in initial project parameters.
Author :National Aeronautics and Space Administration (NASA) Publisher :Createspace Independent Publishing Platform ISBN 13 :9781721235858 Total Pages :40 pages Book Rating :4.2/5 (358 download)
Book Synopsis Propellant for the NASA Standard Initiator by : National Aeronautics and Space Administration (NASA)
Download or read book Propellant for the NASA Standard Initiator written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-06-16 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt: This paper discusses processes employed in manufacturing zirconium-potassium perchlorate propellant for the NASA standard initiator. It provides both a historical background on the NSI device-detailing problem areas and their resolution--and on propellant blending techniques. Emphasis is placed on the precipitation blending method. The findings on mixing equipment, processing, and raw materials are described. Also detailed are findings on the bridgewire slurry operation, one of the critical steps in the production of the NASA standard initiator. Hohmann, Carl and Tipton, Bill, Jr. and Dutton, Maureen Johnson Space Center NASA/TP-2000-210186, S-861, NAS 160:210186
Book Synopsis Solid Propellant Grain Structural Integrity Analysis by : James S. Noel
Download or read book Solid Propellant Grain Structural Integrity Analysis written by James S. Noel and published by . This book was released on 1973 with total page 124 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Modeling, Simulation and Control of a Propellant Mixer by : Hanz Richter
Download or read book Modeling, Simulation and Control of a Propellant Mixer written by Hanz Richter and published by . This book was released on 2003 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Chemistry and Technology of Solid Rocket Propellants (A Treatise on Solid Propellants) by : T.L. Varghese
Download or read book The Chemistry and Technology of Solid Rocket Propellants (A Treatise on Solid Propellants) written by T.L. Varghese and published by Allied Publishers. This book was released on 2017-03-29 with total page 326 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book is a treatise on solid propellants in nine chapters, covering the history, chemistry, energetics, processing and characterization aspects of composite solid propellants, internal ballistics, advanced solid propellants, safety, quality and reliability and homogenous or double base propellants. The book also traces the evolution of solid propellant technology in ISRO for launch vehicles and sounding rockets. There is a detailed table of contents, expanded index, glossary, exhaustive references and questions in each chapter. It can be used as a textbook for science and engineering students, as a reference book for researchers and as a companion to scientists and engineers working in the research, development and production areas of solid propellants.
Book Synopsis Rheological Characterization of Non-Newtonian Propellants for Casting Optimization by : A. A. Osgood
Download or read book Rheological Characterization of Non-Newtonian Propellants for Casting Optimization written by A. A. Osgood and published by . This book was released on 1969 with total page 5 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Modeling of Space Vehicle Propellant Mixing by : John C. Aydelott
Download or read book Modeling of Space Vehicle Propellant Mixing written by John C. Aydelott and published by . This book was released on 1983 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :National Aeronautics and Space Administration (NASA) Publisher :Createspace Independent Publishing Platform ISBN 13 :9781722796273 Total Pages :44 pages Book Rating :4.7/5 (962 download)
Book Synopsis Srm (Solid Rocket Motor) Propellant and Polymer Materials Structural Modeling by : National Aeronautics and Space Administration (NASA)
Download or read book Srm (Solid Rocket Motor) Propellant and Polymer Materials Structural Modeling written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-07-11 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt: The following investigation reviews and evaluates the use of stress relaxation test data for the structural analysis of Solid Rocket Motor (SRM) propellants and other polymer materials used for liners, insulators, inhibitors, and seals. The stress relaxation data is examined and a new mathematical structural model is proposed. This model has potentially wide application to structural analysis of polymer materials and other materials generally characterized as being made of viscoelastic materials. A dynamic modulus is derived from the new model for stress relaxation modulus and is compared to the old viscoelastic model and experimental data. Moore, Carleton J. Marshall Space Flight Center ...
Author :National Aeronautics and Space Administration (NASA) Publisher :Createspace Independent Publishing Platform ISBN 13 :9781722159733 Total Pages :50 pages Book Rating :4.1/5 (597 download)
Book Synopsis Development of a Computerized Analysis for Solid Propellant Combustion Instability with Turbulence by : National Aeronautics and Space Administration (NASA)
Download or read book Development of a Computerized Analysis for Solid Propellant Combustion Instability with Turbulence written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-07-02 with total page 50 pages. Available in PDF, EPUB and Kindle. Book excerpt: A multi-dimensional numerical model has been developed for the unsteady state oscillatory combustion of solid propellants subject to acoustic pressure disturbances. Including the gas phase unsteady effects, the assumption of uniform pressure across the flame zone, which has been conventionally used, is relaxed so that a higher frequency response in the long flame of a double-base propellant can be calculated. The formulation is based on a premixed, laminar flame with a one-step overall chemical reaction and the Arrhenius law of decomposition with no condensed phase reaction. In a given geometry, the Galerkin finite element solution shows the strong resonance and damping effect at the lower frequencies, similar to the result of Denison and Baum. Extended studies deal with the higher frequency region where the pressure varies in the flame thickness. The nonlinear system behavior is investigated by carrying out the second order expansion in wave amplitude when the acoustic pressure oscillations are finite in amplitude. Offset in the burning rate shows a negative sign in the whole frequency region considered, and it verifies the experimental results of Price. Finally, the velocity coupling in the two-dimensional model is discussed. Chung, T. J. and Park, O. Y. Unspecified Center NAG8-627...
Author :National Aeronautics and Space Administration (NASA) Publisher :Createspace Independent Publishing Platform ISBN 13 :9781722114992 Total Pages :32 pages Book Rating :4.1/5 (149 download)
Book Synopsis Composite Propellant Technology Research by : National Aeronautics and Space Administration (NASA)
Download or read book Composite Propellant Technology Research written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-06-30 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt: Proof for the existence of a single Poisson's ratio function in isotropic linear viscoelastic materials is presented. An in-depth discussion is given of three dimensional viscoelastic material properties and their relationships to linear isotropic and orthotropic viscoelastic materials. A discussion of the alternate invariant definition as used by Abaqus and how it relates to the form used by Dr. S. Peng is presented. Bower, Mark V. Unspecified Center NAG8-850...
