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Oil should be transported through a 2 (km) long pipe. The tube is made of stainless steel and has a roughness of 50(μm) and an inner diameter of 250 (mm). The volume flow is 50 (liters/s), the kinematic viscosity of the oil is 5.9 * 10-5 (m²/s) and the density is p = 856 (kg/m³). a) is the current laminar or turbulent. Reason for the answer b) Calculate how much lifting height (m) is lost due to friction. c) If the downstream pressure gauge shows 100 (kPa), what is the upstream pressure (kPa)?

Oil should be transported through a 2 (km) long pipe. The tube is made of stainless steel and has a roughness of 50(μm) and an inner diameter of 250 (mm). The volume flow is 50 (liters/s), the kinematic viscosity of the oil is 5.9 * 10-5 (m²/s) and the density is p = 856 (kg/m³). a) is the current laminar or turbulent. Reason for the answer b) Calculate how much lifting height (m) is lost due to friction. c) If the downstream pressure gauge shows 100 (kPa), what is the upstream pressure (kPa)?

Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)
Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)
8th Edition
ISBN:9781305387102
Author:Kreith, Frank; Manglik, Raj M.
Publisher:Kreith, Frank; Manglik, Raj M.
Chapter5: Analysis Of Convection Heat Transfer
Section: Chapter Questions
Problem 5.1P: Evaluate the Reynolds number for flow over a tube from the following data: D=6cm,U=1.0m/s,...
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Oil should be transported through a 2 (km) long pipe. The tube is made of stainless steel and has a roughness of 50(μm) and an inner diameter of 250 (mm). The volume flow is 50 (liters/s), the kinematic viscosity of the oil is 5.9 * 10-5 (m²/s) and the density is p = 856 (kg/m³). a) is the current laminar or turbulent. Reason for the answer b) Calculate how much lifting height (m) is lost due to friction. c) If the downstream pressure gauge shows 100 (kPa), what is the upstream pressure (kPa)? d) You will install a pump upstream with an efficiency of 80%. How big does the pump need to be in (kW)?
Transcribed Image Text:Oil should be transported through a 2 (km) long pipe. The tube is made of stainless steel and has a roughness of 50(μm) and an inner diameter of 250 (mm). The volume flow is 50 (liters/s), the kinematic viscosity of the oil is 5.9 * 10-5 (m²/s) and the density is p = 856 (kg/m³). a) is the current laminar or turbulent. Reason for the answer b) Calculate how much lifting height (m) is lost due to friction. c) If the downstream pressure gauge shows 100 (kPa), what is the upstream pressure (kPa)? d) You will install a pump upstream with an efficiency of 80%. How big does the pump need to be in (kW)?
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