Guide to Reference and Standard Atmosphere Models PDF Download
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Author: American National Standards Institute
Publisher: AIAA (American Institute of Aeronautics & Astronautics)
ISBN:
Category : Science
Languages : en
Pages : 74
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Book Description
This standard provides guidelines for selecting reference and standard atmospheric models for engineering design or scientific research. The guide describes the content of the model, uncertainties and limitations, technical basis, data bases from which the model is formed, publication references, and sources of computer code for thirty-three (33) atmospheric models for altitudes from Earth's surface to 2400 kilometers, which are generally recognized in the aerospace sciences. Information on atmospheric models for Mars and Venus is also included. This Guide is intended to assist aircraft and space vehicle designers and developers, geophysicists, meteorologists, and climatotogists in understanding available models, comparing sources of data, and interpreting engineering and scientific results based on different atmospheric models.
Author: American National Standards Institute
Publisher: AIAA (American Institute of Aeronautics & Astronautics)
ISBN:
Category : Science
Languages : en
Pages : 74
Get Book Here
Book Description
This standard provides guidelines for selecting reference and standard atmospheric models for engineering design or scientific research. The guide describes the content of the model, uncertainties and limitations, technical basis, data bases from which the model is formed, publication references, and sources of computer code for thirty-three (33) atmospheric models for altitudes from Earth's surface to 2400 kilometers, which are generally recognized in the aerospace sciences. Information on atmospheric models for Mars and Venus is also included. This Guide is intended to assist aircraft and space vehicle designers and developers, geophysicists, meteorologists, and climatotogists in understanding available models, comparing sources of data, and interpreting engineering and scientific results based on different atmospheric models.
Author: American National Standards Institute (New York, N.Y.)
Publisher:
ISBN:
Category :
Languages : en
Pages : 68
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Book Description
Author:
Publisher: Amer Inst of Aeronautics &
ISBN: 9781563477430
Category : Technology & Engineering
Languages : en
Pages : 90
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Book Description
Author: American Institute of Aeronautics and Astronautics Staff
Publisher:
ISBN: 9780930403843
Category :
Languages : en
Pages : 68
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Book Description
This reference (G-003A) provides guidelines for selecting atmospheric models for engineering design or atmospheric research. Thirty atmospheric models for altitudes from Earth surface to 2500 kilometres are described in detail, with information such as the technical basis of each.
Author: American National Standards Institute
Publisher:
ISBN:
Category : Atmosphere
Languages : en
Pages : 82
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Book Description
Author: William W. Vaughan
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Author: British Standards Institute Staff
Publisher:
ISBN: 9780580735325
Category :
Languages : en
Pages : 118
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Book Description
Atmosphere, Air, Ozone layer, Greenhouse gases, Environment (working)
Author: Samuel Augustine Gray
Publisher:
ISBN:
Category : Electronic dissertations
Languages : en
Pages : 152
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Book Description
The effects of altitude change on the temperature, pressure, density, and speed of sound were investigated. These effects have been documented in Global Reference Atmospheric Models (GRAMs) to be used in calculating the conditions in various parts of the atmosphere for several planets. Besides GRAMs, there are several websites that provide online calculators for the 1976 US Standard Atmosphere. This thesis presents the creation of an online calculator of the atmospheres of Earth, Mars, Venus, Titan, and Neptune. The websites consist of input forms for altitude and temperature adjustment followed by a results table for the calculated data. The first phase involved creating a spreadsheet reference based on the 1976 US Standard Atmosphere and other planetary GRAMs available. Microsoft Excel was used to input the equations and make a graphical representation of the temperature, pressure, density, and speed of sound change as altitude changed using equations obtained from the GRAMs. These spreadsheets were used later as a reference for the JavaScript code in both the design and comparison of the data output of the calculators. The websites were created using HTML, CSS, and JavaScript coding languages. The calculators could accurately display the temperature, pressure, density, and speed of sound of these planets from surface values to various stages within the atmosphere. These websites provide a resource for students involved in projects and classes that require knowledge of these changes in these atmospheres. This project also created a chance for new project topics to arise for future students involved in aeronautics and astronautics.
Author: Carl Gerald Justus
Publisher:
ISBN:
Category : Atmosphere
Languages : en
Pages : 94
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Book Description
The latest version of Global Reference Atmospheric Model (GRAM-99) is presented and discussed. GRAM-99 uses either (binary) Global Upper Air Climatic Atlas (GUACA) or (ASCII) Global Gridded Upper Air Statistics (GGUAS) CD-ROM data sets, for 0-27 km altitudes. As with earlier versions, GRAM-99 provides complete geographical and altitude coverage for each month of the year. GRAM-99 uses a specially-developed data set, based on Middle Atmosphere Program (MAP) data, for 20-120 km altitudes, and NASA's 1999 version Marshall Engineering Thermosphere (MET-99) model for heights above 90 km. Fairing techniques assure smooth transition in overlap height ranges (2()%27 km and 9% 120km). GRAM-99 includes water vapor and 11 other atmospheric constituents (03, N20 CO, CH4, CO2, N2, 02, 0, A, He and H). A variable-scale perturbation model provides both large-scale (wave) and small-scale (stochastic) deviations from mean values for thermodynamic variables and horizontal and vertical wind components. The small-scale perturbation model includes improvements in representing intermittency ("patchiness"). A major new feature is an option to substitute Range Reference Atmosphere (RRA) data for conventional GRAM climatology when a trajectory passes sufficiently near any RRA site. A complete user's guide for running the program, plus sample input and output, is provided. An example is provided for how to incorporate GRAM-99 as subroutines in other programs (e.g., trajectory codes).
