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Basics of Aerothermodynamics (Paperback, Softcover reprint of hardcover 1st ed. 2005)
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Basics of Aerothermodynamics (Paperback, Softcover reprint of hardcover 1st ed. 2005)
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The last two decades have brought two important developments for
aeroth- modynamics. One is that airbreathing hypersonic flight
became the topic of technology programmes and extended system
studies. The other is the emergence and maturing of the discrete
numerical methods of aerodyn- ics/aerothermodynamics complementary
to the ground-simulation facilities, with the parallel enormous
growth of computer power. Airbreathing hypersonic flight vehicles
are, in contrast to aeroassisted re-entry vehicles, drag sensitive.
They have, further, highly integrated lift and propulsion systems.
This means that viscous eflFects, like boundary-layer development,
laminar-turbulent transition, to a certain degree also strong
interaction phenomena, are much more important for such vehicles
than for re-entry vehicles. This holds also for the thermal state
of the surface and thermal surface effects, concerning viscous and
thermo-chemical phenomena (more important for re-entry vehicles) at
and near the wall. The discrete numerical methods of
aerodynamics/aerothermodynamics permit now - what was twenty years
ago not imaginable - the simulation of high speed flows past real
flight vehicle configurations with thermo-chemical and viscous
effects, the description of the latter being still handicapped by
in sufficient flow-physics models. The benefits of numerical
simulation for flight vehicle design are enormous: much improved
aerodynamic shape definition and optimization, provision of
accurate and reliable aerodynamic data, and highly accurate
determination of thermal and mechanical loads. Truly mul-
disciplinary design and optimization methods regarding the layout
of thermal protection systems, all kinds of aero-servoelasticity
problems of the airframe, et cetera, begin now to emerge."
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