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Friday, April 24, 2020 | History

3 edition of Numerical analysis and simulation of an assured crew return vehicle flow field found in the catalog.

Numerical analysis and simulation of an assured crew return vehicle flow field

Numerical analysis and simulation of an assured crew return vehicle flow field

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  • 13 Currently reading

Published by National Aeronautics and Space Administration, Office of Management, Scientific and Technical Information Program, For sale by the National Technical Information Service] in [Washington, DC], [Springfield, Va .
Written in English

    Subjects:
  • Space Station Freedom Program (U.S.),
  • Numerical grid generation (Numerical analysis)

  • Edition Notes

    StatementK. James Weilmuenster, Robert E. Smith, Jr., and Francis A. Greene.
    SeriesNASA technical paper -- 3101.
    ContributionsSmith, Robert E., Greene, Francis A., United States. National Aeronautics and Space Administration. Scientific and Technical Information Program.
    The Physical Object
    FormatMicroform
    Pagination1 v.
    ID Numbers
    Open LibraryOL15354660M


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Numerical analysis and simulation of an assured crew return vehicle flow field Download PDF EPUB FB2

Numerical Analysis and Simulation of an Assured Crew Return Vehicle Flow Field K. James Weilmuenster, Robert E. Smith, Jr., and Francis A. Greene HL/34 hicle will be required for assured crew return if the Space Shuttle is not operational, if there is an emer.

Numerical analysis and simulation of an assured crew return vehicle flow field Author: K James Weilmuenster ; Robert E Smith ; Francis A Greene ; United States. Numerical analysis and simulation of an assured crew return vehicle flow field / By K.

James. Weilmuenster, Francis A. Greene, Robert E. Smith and Langley Research Center. Numerical analysis and simulation of an assured crew return vehicle flow field. Abstract. A lifting body was proposed as a candidate for the Assured Crew Return Vehicle (ACRV) which will serve as a crew rescue vehicle for the Space Station Freedom.

The focus is on body surface definition, both surface and volume grid definition, and the. Tech Paper Numerical Analysis and Simulation of an Assured Crew Return Vehicle Flow Field (The math of airflow over a lifting body) NASA Photo Collections th Test Wing (3, words) [view diff] exact match in snippet view article find links to article.

Numerical analysis and simulation of an assured crew return vehicle flow field [microform] / K. James We Lectures on Dryden / delivered by A. Verrall ; edited by Margaret De G. Verrall Explore. Numerical Simulation for Vehicle Powertrain Development can exploit a simpler quasi-static approach sinc e the analysis deals only with driving cycles with moderate dynamics.

The flow visualization subsystem shows a scalar field and vector fields using contours, vectors, stream lines, etc. on Silicon Graphics IRIS workstations and Kubota Computer Titans. A Sony BETACAM video recorder and an optical disc device are attached to the Numerical analysis and simulation of an assured crew return vehicle flow field book in order to make a motion by: crew return vehicle CUBRC.

Calspan - University at Buffalo Research Center DLR. German Aerospace Center DNS. direct numerical simulation DPV. Doppler picture velocimetry EAST. Electric Arc Shock Tunnel ELAC. elliptical aerodynamic configuration ESA. 2D cross flow Numerical analysis and simulation of an assured crew return vehicle flow field book axial flow steady as well as transient cross flow with dynamic mesh CFD simulation is completed using commercial package.

Generally numerical analysis predicts values near to experimental value, which is in terms of time and cost saving. Keywords: overtaking, aerodynamic, bluff body, wake region, dynamic mesh, CFD.

Корабът за аварийна евакуация на екипажа или още Кораб за прибиране на екипажа (на английски: Crew Return Vehicle) е анулиран модул, първоначално планиран за Космическа станция Freedom, а после за Международната космическа.

A real time numerical analysis of vehicle cool-down performance S HONG ROK Hyundai Motor Company, Korea H PASTOHR P+Z Engineering, Germany ABSTRACT The cool-down performance of a passenger vehicle is affected by several components for instance the air-conditioning system itself, engine compartment and environmental thermal conditions.

Numerical exploration of base flow of a long range flight vehicle is presented for different flight conditions. Three dimensional Navier–Stokes equations are solved along Numerical analysis and simulation of an assured crew return vehicle flow field book k–ε turbulence model using commercial CFD software.

Simulation captured all essential flow features including flow separation at base shoulder, shear layer formation at the jet boundary, recirculation at the base Cited by: 8.

3 NUMERICAL SIMULATION OF FLOW FIELD ABOUT ROTATING WHEEL The numerical simulation needs a numerical mesh, in which the boundary layer is well discretized. For the turbulence models, the standard and enhanced wall functions provide the boundary conditions at walls.

The dimensionless wall distance y+ is used to characterise the. DYNAMIC ANALYSIS AND RIDE QUALITY EVALUATION OF RAILWAY VEHICLES - NUMERICAL SIMULATION AND FIELD TEST VERIFICATION Y.-T. Fan W.-F. Wu Department of Mechanical Engineering National Taiwan University Taipei, TaiwanR.O.C.

ABSTRACT A rather complete dynamic model with special emphases on nonlinear conicity and creep force and inCited by: 6. Flow field information is very important to study hydro-performance of amphibious vehicle.

However, it is difficult and expensive to measure it. To overcome the problem, CFD was used to acquire the information. The Reynolds Average Navier-Stokes equation was taken as basic mathematical model to describe flow field.

Flow field region was discretized by hybrid mesh and governing equations were Author: Tao Wang, Wei Sun, Xin Min Yao. Full text of "NASA Technical Reports Server (NTRS) Preliminary Subsystem Designs for the Assured Crew Return Vehicle (ACRV), volumes " See other formats.

A 'read' is counted each time someone views a publication summary (such as the title, abstract, and list of authors), clicks on a figure, or views or downloads the full-text.

The Australian Centre for Robotic Vision is an unincorporated collaborative venture with funding of $m over seven years to pursue an ambitious research agenda tackling the critical and complex challenge of applying robotics in the real world.

Based on the European New Car Assessment Program, which offers rigorous testing conditions, this study developed a numerical model for the computer simulation of crash analysis and analyzed two crash situations: a high-speed vehicle crashing into a wall and a high-speed test vehicle crashing into a static vehicle.

The Simulation model was constructed using the superior functions of the Patran Author: Cherng Shing Lin, Kuo Da Chou, Chia Chun Yu.

The Crew Return Vehicle (CRV), sometimes referred to as the Assured Crew Return Vehicle (ACRV), was a proposed dedicated lifeboat or escape module for the International Space Station (ISS). A number of different vehicles and designs were considered over two decades – with several flying as developmental test prototypes – but none became operational.

NASA Tech Paper Numerical Analysis and Simulation of an Assured Crew Return Vehicle Flow Field (The math of airflow over a lifting body) NASA Photo Collections from Dryden Flight Research Center.

HL; M2-F1; M2-F2; M2-F3; XA and X24B; Short M2-F1 history; Some history of lifting body flight; Wingless Flight: The Lifting Body Story. The simulation of road vehicle flow is thus important in the analysis of the dynamic interaction between road vehicles and bridges. Rather simple patterns of road vehicle flow have been assumed in most vehicle-bridge coupled dynamic analyses [ 79, 81, 82 ] in which either one or several vehicles are distributed on the bridge in an assumed Cited by: 1.

NUMERICAL SIMULATION OF FLOW FIELD IN WHEELHOUSE OF CARS Tamás Régert(1) and Dr. Tamás Lajos(2) For numerical simulation of the flow, the commercial software packages FLUENT and the vehicle is smaller in the case of Fig.

1-C) than in Cited by: 1. the complex flow fields around present and future space vehicles, such as the Space Shuttle Orbiter, assured crew return vehicle (ACRV), and aeroassisted space transfer vehicle (ASTV), in a ground-based simulation facility. Thus, it becomes highly desirable to rely on computational-fluid-dynamics (CFD) for hypersonic flow Size: 1MB.

The dynamic transient response of a vehicle during rapid variations in driving torque is strongly influenced by the drive-line. An accurate numerical analysis to evaluate the vehicle performance in maneuvers which mainly interest longitudinal dynamics - such as rapid variations of the throttle or traction efforts - requires the development of a model able to simulate the dynamic behavior of Cited by: 3.

Hence, detailed knowledge of the flow field around corner vanes is essential to improved fuel efficiency and reduced dirt contamination on the vehicle body surface. In this study, three-dimensional flow characteristics around a corner vane attached to a truck cab were computed for steady, incompressible, and high-speed viscous flow, adopting a Cited by: 2.

This banner text can have markup. web; books; video; audio; software; images; Toggle navigation. Timing Analysis and Scheduling of the X Space Station Crew Return Vehicle and Other Space Vehicles; CRV Interior Design; NASA Tech Paper Numerical Analysis and Simulation of an Assured Crew Return Vehicle Flow Field; Historic overview of space lifeboats; AAAS FY budget review and commentary on CRV issues.

numerical analysis of unsteady three-dimensional Navier-Stokes equations. This makes it possible to carry out calculations for conditions of aerodynamic experiment. 2 Numerical method In this work hypersonic flow over descent vehicle model is simulated on basis of 3D Navier-Stokes equations at free stream conditions, corresponding to experimental.

Numerical simulation of heat flow in a vehicle cabin. Yang Zeng, Masafumi Katsuta. The heat flow distribution in a simplified 3-D vehicle cabin is predicted when parking in the summer sunshine by using the CFD analysis software. The nature convection and radiation heat transfer from environment to cabin are considered in this by: 1.

Featured Vehicle Dynamics Simulation Case Studies External Aerodynamics studies for ISUZU Trucks Objective: To find the effect of front edge rounding, trailer, rotating tires and integrated cab roof fairing on aerodynamic drag at different velocities.

The Crew Return Vehicle (CRV), sometimes referred to as the Assured Crew Return Vehicle (ACRV), was the proposed lifeboat or escape module for the International Space Station (ISS). A number of different vehicles and designs have been considered over the past two decades – with several flying as developmental test prototypes – but no one single design has been built as the dedicated CRV.

Numerical analysis and simulation of an assured crew return vehicle flow field; which will serve as a crew rescue vehicle for the Space Station Freedom.

NASA engineers at Langley Research Center, Va., demonstrated crew rescue vehicle simulations with. Aerothermodynamic environment definition for an X/XA derived assured crew return vehicle. Charles Campbell, Jose Caram, A base region heating analysis of the X launch vehicle.

Grant Palmer, Ethiraj Venkatapathy, Numerical simulation of large-scale oxygen-hydrogen fire balls. The invention teaches a return vehicle for use in returning a crew to Earth from low earth orbit in a safe and relatively cost effective manner.

The return vehicle comprises a cylindrically-shaped crew compartment attached to the large diameter of a conical heat shield having a spherically rounded nose.

On-board inertial navigation and cold gas control systems are used together with a de-orbit Cited by: ISS Crew Return Vehicle – CRV (X Prototype) The Crew Return Vehicle (CRV), sometimes referred to as the Assured Crew Return Vehicle (ACRV), was a proposed dedicated lifeboat or escape module for the International Space Station (ISS).

A number of different vehicles and designs were considered over two decades – with several flying as developmental test prototypes – but none became. 15th Aerodynamic Decelerator Systems Technology Conference. 08 June - 11 June Toulouse,France. Meeting Paper Home; An overview of the X prototype crew return vehicle development and test program.

Comparison of numerical flow field. The lifting body is an aircraft configuration where the body itself produces is related to flying wing which is a wing without a conventional fuselage. A lifting body is a fuselage that generates lift without the shape of a typical thin and flat wing structure.

A flying wing seeks to maximize cruise efficiency at subsonic speeds by eliminating non-lifting surfaces. BACKGROUND OF THE INVENTION 1. Field of the Invention. The invention relates to space transportation and exploration vehicles and more particularly, to a space vehicle which may be employed to reliably and safely return crew members from an earth orbiting vehicle, such as a space station or the like, to the earth with a minimum of cost and on-orbit preparation.

crash analysis and optimization. Mahmood pdf al. [2] have described in detail a procedure for rapid simulation and design of the frame of an automotive structure.

They developed a simplified program, called V-CRUSH, for rapid simulation of the structure. Correlation between the experimental and simulation results was very good. The book provides an overview of the major issues governing approach and mating strategies, and system concepts for rendezvous and docking/berthing.

These issues are described and explained such that aerospace engineers, students and even newcomers to the field can acquire a basic understanding of RVD/: Wigbert Fehse.Space Station Freedom Assured Crew Return Vehicle Medical Issues Development of the Fire Detection System ebook Space Station Freedom The Psychological Effects of Isolation on a Space Station: A Simulation Study A Technical Overview of the Passive Thermal Control System for the Space Station Freedom