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Adjusted factor G(a) for pipelines with outlets and outflow

Adjusted factor G(a) for pipelines with outlets and outflow
Adjusted factor G(a) for pipelines with outlets and outflow
The adjusted factor Ga is a generic friction loss correction factor for pipelines with multiple outlets. The adjusted factor Ga can be applied to pipelines with or without outflow at the downstream end. Furthermore, this factor can be applied to a pipeline where the first outlet is at a full outlet spacing or a fractional outlet spacing from the pipeline inlet. When the outflow at the downstream end is reduced to zero, the adjusted factor Ga reduces to the adjusted factor Fa. If the first outlet is positioned one outlet spacing from the pipeline inlet, the factor Ga reduces to G. Finally, if both the outflow is zero and the first outlet is one outlet spacing from the pipeline inlet, the adjusted factor Ga reduces to a close approximation of the well known factor F. The adjusted factor Ga is a function of the number of outlets along the pipeline, the location of the first outlet from the pipeline inlet, the outflow ratio, and the velocity exponent of the head loss formula.
0733-9437
355-359
Anwar, Arif A.
e9a57bb7-5225-45e6-9a69-2396a6e4fd31
Anwar, Arif A.
e9a57bb7-5225-45e6-9a69-2396a6e4fd31

Anwar, Arif A. (1999) Adjusted factor G(a) for pipelines with outlets and outflow. Journal of Irrigation and Drainage Engineering, ASCE, 125 (6), 355-359. (doi:10.1061/(ASCE)0733-9437(1999)125:6(355)).

Record type: Article

Abstract

The adjusted factor Ga is a generic friction loss correction factor for pipelines with multiple outlets. The adjusted factor Ga can be applied to pipelines with or without outflow at the downstream end. Furthermore, this factor can be applied to a pipeline where the first outlet is at a full outlet spacing or a fractional outlet spacing from the pipeline inlet. When the outflow at the downstream end is reduced to zero, the adjusted factor Ga reduces to the adjusted factor Fa. If the first outlet is positioned one outlet spacing from the pipeline inlet, the factor Ga reduces to G. Finally, if both the outflow is zero and the first outlet is one outlet spacing from the pipeline inlet, the adjusted factor Ga reduces to a close approximation of the well known factor F. The adjusted factor Ga is a function of the number of outlets along the pipeline, the location of the first outlet from the pipeline inlet, the outflow ratio, and the velocity exponent of the head loss formula.

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More information

Published date: November 1999

Identifiers

Local EPrints ID: 74563
URI: http://eprints.soton.ac.uk/id/eprint/74563
ISSN: 0733-9437
PURE UUID: 37b06309-de62-4f2b-b6d1-32ed05d0ba2c
ORCID for Arif A. Anwar: ORCID iD orcid.org/0000-0002-3071-3197

Catalogue record

Date deposited: 11 Mar 2010
Last modified: 07 Oct 2020 07:10

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