Dispersion of Denser-than-air Gases PDF Download
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Author: John D. Reid
Publisher:
ISBN:
Category : Atmospheric diffusion
Languages : en
Pages : 0
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Book Description
Author: John D. Reid
Publisher:
ISBN:
Category : Atmospheric diffusion
Languages : en
Pages : 0
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Book Description
Author: C. J. Wheatley
Publisher:
ISBN:
Category : Air
Languages : en
Pages : 476
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Book Description
Author: Mark Joske
Publisher:
ISBN:
Category :
Languages : en
Pages : 146
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Book Description
Author: C. J. Wheatley
Publisher: European Communities
ISBN: 9789282547120
Category : Air
Languages : en
Pages : 449
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Book Description
Author: Jack Marshall Berger
Publisher:
ISBN:
Category :
Languages : en
Pages : 144
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Book Description
Author: Jerry A. Havens
Publisher:
ISBN:
Category : Air
Languages : en
Pages : 306
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Book Description
Author: Jerry A. Havens
Publisher:
ISBN:
Category :
Languages : en
Pages : 270
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Book Description
The mathematical modeling techniques used to predict atmospheric dispersion of heavier-than-air gases discussed in Volume 1 are briefly summarized; these techniques are incorporated in an interactive computer model DEGADIS. Details of DEGADIS implementation are briefly discussed. The necessary input information to simulate a heavier-than-air gas release with DEGADIS is summarized. Example simulations of a steady state and transient release are included. A list of DEGADIS self-diagnostics with suggested actions are included. A listing of DEGADIS is included along with a partial list of program variables. Guidelines for installation of DEGADIS are presented.
Author: R. E. Britter
Publisher: Elsevier Science & Technology
ISBN:
Category : Technology & Engineering
Languages : en
Pages : 264
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Book Description
Good,No Highlights,No Markup,all pages are intact, Slight Shelfwear,may have the corners slightly dented, may have slight color changes/slightly damaged spine.
Author: J.A. Havens
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Author: Jerry A. Havens
Publisher:
ISBN:
Category :
Languages : en
Pages : 269
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Book Description
Laboratory experimental instantaneous releases of right circular cylindrical volumes of heavy gas (Freon-12/air) with initial volumes ranging from 0.034 cu m to 0.531 cu m and specific gravities ranging from 2.2 to 4.2 are described. Releases with initial height-to-diameter ratios of 0.4, 1.0, and 1.57 are reported. The heavy gas flow field surrounding the release is described by time series of gas concentration at various radial and vertical coordinates with respect to release center. Measurements of the gravity current velocities are determined from time-of-onset of measured gas concentration. Calm-air instantaneous heavy gas releases are demonstrated to scale with a characteristic length cube root of V sub i where V sub i is the initial volume, and a characteristic time (V sub i to the 1/6 power)/(sq root of the reduced gravitational acceleration). The scaled laboratory releases predict the gravity-spreading and dilution process occurring during the buoyancy-dominated flow phase of the 2000 cu/m Freon/air instantaneous releases conducted by the British Health and Safety Executive at Thorney Island, UK. The gravity spread and dilution data are used to validate the buoyancy-dominated flow submodel which is incorporated in DEGADIS, the general purpose heavy gas dispersion model developed for the Coast Guard.
