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Download e-book for iPad: Aerodynamic and Aerothermodynamic Analysis of Space Mission by Antonio Viviani, Giuseppe Pezzella

By Antonio Viviani, Giuseppe Pezzella

ISBN-10: 3319139266

ISBN-13: 9783319139265

ISBN-10: 3319139274

ISBN-13: 9783319139272

Presenting an up to date view at the most crucial house car configurations, this publication includes exact analyses for numerous diverse kind of house undertaking profiles whereas contemplating vital components corresponding to aerodynamic lots, aerodynamic heating, automobile balance and touchdown features. With that during brain, the authors supply a close review on assorted state of the art topics of hypersonic aerodynamics and aerothermodynamics, and think about diverse area automobile shapes helpful for various house undertaking pursuits. those include:

· team go back automobile (CRV)

· group Exploration car (CEV)

· pattern go back automobile (SRV)

· Flying try mattress (FTB).

Throughout Aerodynamic and Aerothermodynamic research of area project Vehicles many examples are given, with unique computations and effects for the aerodynamics and aerothermodynamics of all such configurations. furthermore, a last bankruptcy on destiny launchers is equipped and an Appendix on a potential manned project to Mars closes the publication. This paintings can be utilized as a reference for modelling and layout suggestions, for college students meaning to input aerospace business careers, and to help either teachers and engineers operating within the box of house motor vehicle design.

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Additional info for Aerodynamic and Aerothermodynamic Analysis of Space Mission Vehicles

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The O2 dissociation is essentially complete at about 5 km/s, wherein N2 dissociation commences. This effect covers the shaded region labeled nitrogen dissociation. 4 Typical Hypersonic Flowfield Features Past a Vehicle in Continuum Flow. . 120 100 Lifting reentry from orbit 90% 10% 90% 10% Ionization Km 10% 90% Calorically perfect gas 10% 39 m CLS 80 50 Shuttle H 60 5000 40 20 Oxygen dissociation Vibrational excitation 0 1 2 Nitrogen dissociation 3 4 5 6 7 8 9 Km/s v Fig. 30 Altitude–velocity map with superimposed regions of vibrational excitation, dissociation, and ionization Finally, above 10 km/s, the N2 dissociation is complete, and ionization begins.

1, the Boltzmann equation solution converges asymptotically to the Navier–Stokes equation solution. In combination with a definition of the gas and a set of boundary conditions, the Navier–Stokes equations determine the flowfield past the body. Indeed, for a very wide range of problems, air may be defined as a perfect gas. 17) where is the density, T the temperature, and R the gas constant, while for what concerns boundary conditions at far-field, the condition is that any disturbance caused by the presence of the body should remain finite.

As a consequence, Fig. 30 highlights that the entry flight paths slash across major sections of the altitude–velocity map where chemical reactions and vibrational excitation arise. This clarifies why high-temperature effects are so important to entry-body flows [2, 3, 7, 9, 10]. 30 suggests also that there will be an increasing number of species occurring in the different domains along with the descent trajectory. Indeed, the flow chemical composition can vary spatially and temporally. Moreover, the continual exchange of energy between the transitional and internal degrees of freedom of the flow molecules results in thermal and/or chemical nonequilibrium in the different domains of altitude–velocity map, as recognized in Fig.

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Aerodynamic and Aerothermodynamic Analysis of Space Mission Vehicles by Antonio Viviani, Giuseppe Pezzella

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