Research Article
Mar 1977
Effect of Branch Spacing on Losses for Dividing Flow
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VIEW THE REPLYPublication: Journal of the Hydraulics Division
Volume 103, Issue 3
Abstract
Since few data are available regarding the effect of branch spacing on discharge and energy loss coefficients for dividing flow, tests were conducted for a line manifold using three branches. A branch geometry typical of an actual diffuser design was used, and the branch to main pipe diameter ratio and the relative spacing between branches was varied by increments. The variation in discharge coefficient is presented as a function of the ratio of velocity head to total head, whereas loss coefficients are plotted versus relative velocity. A family of curves for each diameter ratio shows the effect of relative branch spacing. Test data indicated that the branch discharge coefficient increased and branch losses decreased with a decrease in spacing due to the change in velocity profile in the main pipe. However, the loss coefficient for flow past the branch in the main pipe increased with a decrease in spacing.
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Information
Published In
Journal of the Hydraulics Division
Volume 103 • Issue 3 • March 1977
Pages: 265 - 279
Copyright
© 1977 American Society of Civil Engineers.
History
Published in print: Mar 1977
Published online: Feb 3, 2021
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Authors
Affiliations
George E. Hecker, M.ASCE
Dir., Alden Research Labs., and Assoc. Prof. of Civ. Engrg., Worcester Polytechnic Inst., Worcester, Mass
James B. Nystrom
Lead Engr., Alden Research Labs., Worcester Polytechnic Inst., Worcester, Mass
Nazir A. Qureshi
Engr., Gilbert Assocs., Inc., Reading, Pa.; formerly, Grad. Student, Worcester Polytechnic Inst., Worcester, Mass
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Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.