Atmospheric entry
Titan Atmospheric Entry Radiative Heating
... II. Description of the EAST Facility The EAST facility at NASA Ames Research Center was developed to simulate high-enthalpy, “real gas” phenomena encountered by hypersonic vehicles entering planetary atmospheres. In ...
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Surrogate model for probabilistic modeling of atmospheric entry for small NEO's
... the atmospheric entry as well as knowledge about the possible distribution of the impact location can be used towards provide advance warnings to local governments for decision ...
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OpenFOAM Simulations of Atmospheric-Entry Capsules in the Subsonic Regime
... The open-source Computational Fluid Dynamics software OpenFOAM is gaining wider acceptance in industry and academia for incompressible flow simulations. To date, there has been relatively little utilization of OpenFOAM ...
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Review on Analysis & Modeling of Dynamic Stability Characteristics of Atmospheric Entry Vehicles
... The Government of Pakistan has initiated the “Space Program 2040” with the aim to bring the benefits of the full spectrum of space technology to the people of Pakistan . Earlier space expeditions from Pakistan ...
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Dynamic Mesh CFD Simulations of Orion Parachute Pendulum Motion During Atmospheric Entry
... This paper demonstrates the usage of computational fluid dynamics to study the effects of pendulum motion dynamics of the NASAs Orion Multi-Purpose Crew Vehicle parachute system on the stability of the vehicles ...
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Boundary Layer Stability and Laminar-Turbulent Transition Analysis with Thermochemical Nonequilibrium Applied to Martian Atmospheric Entry
... Martian atmospheric entry vehicles increase in size to accommodate larger payloads, transitional flow may need to be taken into account in the design of the heat shield in order to reduce heat shield ...
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The Program to Advance Inflatable Decelerators for Atmospheric Entry (PAIDAE): An Overview of Results and Lessons Learned from Years 1 and 2
... Testing Supersonic Wind-Tunnel Testing Transonic Wind-Tunnel Testing Subscale Supersonic Deployment Testing NRA: EDL-19 Structural Requirements Manufacturing Requirements Full-Scale Mock[r] ...
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The effects of radiation on ablative heat shields during atmospheric entry
... Run simulation PATO Mesh Internal radiation Temperature profiles Pyrolysis gas and char mass flow rate TACOT Equilibrium chemistry Output Material response Radiative divergence Effecti[r] ...
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Validation of High Speed Earth Atmospheric Entry Radiative Heating from 9.5 to 15.5 km/s
... Earth entry conditions, such as would be relevant for an asteroid, inter-planetary or lunar return ...Earth entry and cover conditions ranging from ...
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Titan Atmospheric Entry Radiative Heating
... • Before arriving at Titan, there was significant uncertainty regarding the atmospheric composition. CH 4 was suspected to be as high as 9% with Argon up to 20% (by mole). • Cassini indicated that these numbers ...
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Atmospheric monitoring in H.E.S.S.
... Imaging Atmospheric Cherenkov Telescopes (IACT) have opened up a new window to the non-thermal universe, leading to the discovery more than a hundred sources in the VHE ...an atmospheric absorber is ...
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Journal of Atmospheric Pollution
... by atmospheric temperature inversions that can trap particulate matter near the surface, particularly in the more dense neighborhoods of El Paso and contiguous ...
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Atmospheric lepton fluxes
... using atmospheric neutrinos to measure the energy dependence of the neutrino cross ...to atmospheric neutrinos produced by interactions of cosmic rays at ...
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Applications of Atmospheric Plasmas
... at atmospheric pressure can be generated in many ...at atmospheric pressure present many solutions for ...thermal atmospheric plasma exhibits a higher level of ionization, dissociation, and ...at ...
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Journal of Atmospheric Pollution
... Association of vehicle categories, fuel and particulate matter emissions on Nairobi road junctions.. Average particle emmision/ vehicle number ratio observed on selected road ju[r] ...
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Journal of Atmospheric Pollution
... Substructure of ports, harbor and formation of suitable and safe conditions for vessel movement is helpful and acceleration affair in loading and offloading of goods, and also is the e[r] ...
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Journal of Atmospheric Pollution
... Calculated NO 2 concentration profile at the Baldwin location Once the calculated concentrations were obtained from each model, they could be compared to the known measured values.. [r] ...
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Journal of Atmospheric Pollution
... The main objective of the study is to identify the emission rates of vehicles corresponding to its maximum seat occupancy rate and thereby compare the emission levels of different veh[r] ...
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CTA Atmospheric Calibration
... of atmospheric conditions (as long as observa- tions are not aborted at ...non-optimal atmospheric conditions along their line- of-sight, instead of actively avoiding ...mal atmospheric conditions ...
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Phenomenology of atmospheric neutrinos
... the atmospheric background at hundreds of TeV and PeV energies. Atmospheric neutrinos in this energy range originate mostly from decays of heavy-flavor mesons, which production in the phase space relevant ...
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