TY - JOUR
T1 - Head loss at manholes in surcharged sewer systems
AU - Wang, K. H.
AU - Cleveland, T. G.
AU - Towsley, C.
AU - Umrigar, D.
PY - 1998
Y1 - 1998
N2 - A laboratory investigation was conducted to determine the head losses at sewer pipe junctions (manholes) under surcharged conditions. A physical model of a manhole/pipeline system was constructed for head-loss measurements. Head-loss coefficients were determined for a variety of outlet-flow Reynolds numbers, surcharge levels, pipe sizes, flow configurations, and inlet-flow rates. Empirical formulas were also developed to estimate head-loss coefficients. The results indicate that head loss is insensitive to the amount of surcharge, but depends heavily on the flow configuration, relative flow rate, and the change of pipe diameter within the pipelines.
AB - A laboratory investigation was conducted to determine the head losses at sewer pipe junctions (manholes) under surcharged conditions. A physical model of a manhole/pipeline system was constructed for head-loss measurements. Head-loss coefficients were determined for a variety of outlet-flow Reynolds numbers, surcharge levels, pipe sizes, flow configurations, and inlet-flow rates. Empirical formulas were also developed to estimate head-loss coefficients. The results indicate that head loss is insensitive to the amount of surcharge, but depends heavily on the flow configuration, relative flow rate, and the change of pipe diameter within the pipelines.
KW - Head-loss coefficient
KW - Hydraulics
KW - Manholes
KW - Physical modeling
UR - http://www.scopus.com/inward/record.url?scp=0032427619&partnerID=8YFLogxK
U2 - 10.1111/j.1752-1688.1998.tb05439.x
DO - 10.1111/j.1752-1688.1998.tb05439.x
M3 - Article
AN - SCOPUS:0032427619
SN - 1093-474X
VL - 34
SP - 1391
EP - 1400
JO - Journal of the American Water Resources Association
JF - Journal of the American Water Resources Association
IS - 6
ER -