Zobrazeno 1 - 10
of 23
pro vyhledávání: '"Volker Hannemann"'
Publikováno v:
CEAS Space Journal. 14:407-420
The sensitivity of hybrid RANS-LES methods like Improved Delayed Detached Eddy Simulation (IDDES) to numerical model parameter variations related to generic space launch vehicle aft-body flows is investigated. In particular, the changes resulting fro
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a1ea5cf85271e6ad6639a9983d4176e1
https://doi.org/10.1007/s12567-021-00400-5
https://doi.org/10.1007/s12567-021-00400-5
Publikováno v:
Notes on Numerical Fluid Mechanics and Multidisciplinary Design ISBN: 9783030538460
The flow field around generic space launch vehicles with hot exhaust plumes is investigated numerically. Reynolds-Averaged Navier-Stokes (RANS) simulations are thermally coupled to a structure solver to allow determination of heat fluxes into and tem
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::73f6a88a649b14301ac1eab461a221e1
https://elib.dlr.de/138516/
https://elib.dlr.de/138516/
Publikováno v:
AIAA Journal. 56:1072-1084
For reliable material qualification in high-enthalpy flows, detailed characterization of material and flow parameters is essential. Therefore, the flowfield of arc-heated facility L3K, which has be...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b0a6070da2707e625793d3ea815f5a34
https://doi.org/10.2514/1.j056312
https://doi.org/10.2514/1.j056312
Publikováno v:
Journal of Propulsion and Power. 34:221-233
A numerical study is conducted to investigate the impact of different chemical reaction mechanisms on the behavior of reactive nozzle flow. Therefore, a 66-step chemical reaction mechanism for oxyg...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b442b4b6cd2fdafeab1cf50ee500fa71
https://doi.org/10.2514/1.b36611
https://doi.org/10.2514/1.b36611
Publikováno v:
Progress in Hybrid RANS-LES Modelling ISBN: 9783030276065
The sensitivity to grid changes of a detaching-reattaching shear layer flow over a generic space launch vehicle geometry is investigated with Improved Delayed Detached Eddy Simulation (IDDES). First and second order statistical moments of the flow ar
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ea7b4f442aa832b8f5467301536d6fcc
https://doi.org/10.1007/978-3-030-27607-2_13
https://doi.org/10.1007/978-3-030-27607-2_13
Publikováno v:
Progress in Hybrid RANS-LES Modelling ISBN: 9783319700304
Transonic flow in the wake of a generic space launch vehicle is investigated using Improved Delayed Detached-Eddy simulations on quasi-structured, partially unstructured and hybrid grids. It is shown that a \(90^\circ \) segment of the full domain ca
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b0bf3fe716afc33def8ec52a3845b292
https://doi.org/10.1007/978-3-319-70031-1_24
https://doi.org/10.1007/978-3-319-70031-1_24
Publikováno v:
International Journal for Numerical Methods in Fluids. 81:71-86
A modification of the Roe scheme called L2Roe for low dissipation low Mach Roe is presented. It reduces the dissipation of kinetic energy at the highest resolved wave numbers in a low Mach number test case of decaying isotropic turbulence. This is ac
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f36f2b48433615b67fbc3c236787dec6
https://doi.org/10.1002/fld.4175
https://doi.org/10.1002/fld.4175
Publikováno v:
53rd AIAA/SAE/ASEE Joint Propulsion Conference.
The numerical prediction of the processes in rocket combustion chambers is still challenging due to a variety of problems that are not completly investigated nor completly understood within computational fluid dynamics (CFD): First to mention is the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bb5e721a24a22f112ae2913bcdd203c5
https://doi.org/10.2514/6.2017-4765
https://doi.org/10.2514/6.2017-4765
Publikováno v:
Scopus-Elsevier
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::82a0e37c06af3bfc3401eec63e8fa6fa
https://doi.org/10.2514/6.2016-4671
https://doi.org/10.2514/6.2016-4671