配管摩擦損失係数:粗面配管/Rough pipes

PDF Document:Rough pipes,1/√λ=2*log10(d/ε)+1.14,Re*√λ*ε/d=200.Re:-1,000,000.ε/d:0.0015-0.05


DateFile NameSize(KB)MD5 Hash
2011/06/1120110611-001.pdf11973b711969ea4b3c3d0789fe27e6c884e

Keyword

Colebrook-White Equation,Head loss,Loss coefficient for straight pipe,Length of pipe,Pipe diameter,Reynolds number,Roughness height

Reference

[1]:LEWIS F.MOODY:『Friction Factors for Pipe Flow』,TRANSACITONS OF THE A.S.M.E NOVEMBER,1944
[2]:Brian Nesbitt:『Handbook of Pumps and Pumping: Pumping Manual International』,Elsevier Science,2006,pp.99-100
[3]:Darcy friction factor formulae:WIKIPEDIA
[4]:Institute of Fluid Mechanics and Heat Transfer,Vienna University of Technology:『Pipe flow』

Remarks

・Loss coefficient for straight pipe:λ
・Roughness height:ε
・Pipe diameter:d
・Reynolds number:Re

PDF Document:Rough pipes,1/√λ=2*log10(d/ε)+1.14,Re*√λ*ε/d=200.Re:1,000,000-10,000,000.ε/d:0.0002-0.0015


DateFile NameSize(KB)MD5 Hash
2011/06/1120110611-002.pdf11577c434cf8deb5bbd09e3661205d3c0bd

Keyword

Colebrook-White Equation,Head loss,Loss coefficient for straight pipe,Length of pipe,Pipe diameter,Reynolds number,Roughness height

Reference

[1]:LEWIS F.MOODY:『Friction Factors for Pipe Flow』,TRANSACITONS OF THE A.S.M.E NOVEMBER,1944
[2]:Brian Nesbitt:『Handbook of Pumps and Pumping: Pumping Manual International』,Elsevier Science,2006,pp.99-100
[3]:Darcy friction factor formulae:WIKIPEDIA
[4]:Institute of Fluid Mechanics and Heat Transfer,Vienna University of Technology:『Pipe flow』

Remarks

・Loss coefficient for straight pipe:λ
・Roughness height:ε
・Pipe diameter:d
・Reynolds number:Re

PDF Document:Rough pipes,1/√λ=2*log10(d/ε)+1.14,Re*√λ*ε/d=200.Re:10,000,000-100,000,000.ε/d:0.00003-0.00018


DateFile NameSize(KB)MD5 Hash
2011/06/1120110611-003.pdf124d4d0409904ab4b5fb31f4271f6cd3e04

Keyword

Colebrook-White Equation,Head loss,Loss coefficient for straight pipe,Length of pipe,Pipe diameter,Reynolds number,Roughness height

Reference

[1]:LEWIS F.MOODY:『Friction Factors for Pipe Flow』,TRANSACITONS OF THE A.S.M.E NOVEMBER,1944
[2]:Brian Nesbitt:『Handbook of Pumps and Pumping: Pumping Manual International』,Elsevier Science,2006,pp.99-100
[3]:Darcy friction factor formulae:WIKIPEDIA
[4]:Institute of Fluid Mechanics and Heat Transfer,Vienna University of Technology:『Pipe flow』

Remarks

・Loss coefficient for straight pipe:λ
・Roughness height:ε
・Pipe diameter:d
・Reynolds number:Re

PDF Document:Rough pipes,1/√λ=2*log10(d/ε)+1.14,3500/(ε/d)=Re.Re:40,000-1,000,000.ε/d:0.0015-0.05


DateFile NameSize(KB)MD5 Hash
2011/06/1120110611-004.pdf116a9188bff6c047cfa472624dd84f70571

Keyword

Rough pipes,Complete turbulence,Head loss,Loss coefficient for straight pipe,Length of pipe,Pipe diameter,Reynolds number,Roughness height

Reference

[1]:LEWIS F.MOODY:『Friction Factors for Pipe Flow』,TRANSACITONS OF THE A.S.M.E NOVEMBER,1944
[2]:Brian Nesbitt:『Handbook of Pumps and Pumping: Pumping Manual International』,Elsevier Science,2006,pp.99-100
[3]:Darcy friction factor formulae:WIKIPEDIA
[4]:Institute of Fluid Mechanics and Heat Transfer,Vienna University of Technology:『Pipe flow』

Remarks

・Loss coefficient for straight pipe,Friction factor:λ
・Roughness height:ε
・Pipe diameter:d
・Reynolds number:Re

PDF Document:Rough pipes,1/√λ=2*log10(d/ε)+1.14,3500/(ε/d)=Re.Re:1,000,000-10,000,000.ε/d:0.0004-0.0015


DateFile NameSize(KB)MD5 Hash
2011/06/1120110611-005.pdf100c4aac6af737b6303fc8ee3aeb57faf78

Keyword

Rough pipes,Complete turbulence,Head loss,Loss coefficient for straight pipe,Length of pipe,Pipe diameter,Reynolds number,Roughness height

Reference

[1]:LEWIS F.MOODY:『Friction Factors for Pipe Flow』,TRANSACITONS OF THE A.S.M.E NOVEMBER,1944
[2]:Brian Nesbitt:『Handbook of Pumps and Pumping: Pumping Manual International』,Elsevier Science,2006,pp.99-100
[3]:Darcy friction factor formulae:WIKIPEDIA
[4]:Institute of Fluid Mechanics and Heat Transfer,Vienna University of Technology:『Pipe flow』

Remarks

・Loss coefficient for straight pipe,Friction factor:λ
・Roughness height:ε
・Pipe diameter:d
・Reynolds number:Re

PDF Document:Rough pipes,1/√λ=2*log10(d/ε)+1.14,3500/(ε/d)=Re.Re:10,000,000-100,000,000.ε/d:0.00004-0.00035


DateFile NameSize(KB)MD5 Hash
2011/06/1120110611-006.pdf1125a4df24ede278a7c1b421f3805c3b633

Keyword

Rough pipes,Complete turbulence,Head loss,Loss coefficient for straight pipe,Length of pipe,Pipe diameter,Reynolds number,Roughness height

Reference

[1]:LEWIS F.MOODY:『Friction Factors for Pipe Flow』,TRANSACITONS OF THE A.S.M.E NOVEMBER,1944
[2]:Brian Nesbitt:『Handbook of Pumps and Pumping: Pumping Manual International』,Elsevier Science,2006,pp.99-100
[3]:Darcy friction factor formulae:WIKIPEDIA
[4]:Institute of Fluid Mechanics and Heat Transfer,Vienna University of Technology:『Pipe flow』

Remarks

・Loss coefficient for straight pipe,Friction factor:λ
・Roughness height:ε
・Pipe diameter:d
・Reynolds number:Re