Abstract
One of the technological challenges in designing advanced hypersonic aircraft and the next generation of spacecraft is developing reusable flight-weight cryogenic fuel tanks. As an aid in the design and analysis of these cryogenic tanks, a computational fluid dynamics (CFD) model has been developed specifically for the analysis of flow in a cryogenic fuel tank. This model employs the full set of Navier-Stokes equations, except that viscous dissipation is neglected in the energy equation. An explicit finite difference technique in two-dimensional generalized coordinates, approximated to second-order accuracy in both space and time is used. The stiffness resulting from the low Mach number is resolved by using artificial compressibility. The model simulates the transient, two-dimensional draining of a fuel tank cross section. To calculate the slosh wave dynamics the interface between the ullage gas and liquid fuel is modeled as a free surface. Then, experimental data for free convection inside a horizontal cylinder are compared with model results. Finally, cryogenic tank draining calculations are performed with three different wall heat fluxes to demonstrate the effect of wall heat flux on the internal tank flow field.
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© 2000 Springer Science+Business Media New York
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Greer, D. (2000). Cryogenic Fuel Tank Draining Analysis Model. In: Shu, QS. (eds) Advances in Cryogenic Engineering. Advances in Cryogenic Engineering. Springer, Boston, MA. https://doi.org/10.1007/978-1-4615-4215-5_33
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DOI: https://doi.org/10.1007/978-1-4615-4215-5_33
Publisher Name: Springer, Boston, MA
Print ISBN: 978-1-4613-6892-2
Online ISBN: 978-1-4615-4215-5
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