Answer ALL parts (a) - (c). (a) Diesel fuel flows along a pipe 6 m long, whose bore (internal diameter) is 5 mm. The density and viscosity of the fuel are 850 kg/m³ and 1.8 x 10-³ Ns/m² respectively. If the pressure-drop over the length of the pipe 1.3 kN/m², estimate the volume flow rate of fuel along the pipe. (Hint: since the bore is small, assume the flow is laminar and use Poiseuille's equation to find the flow rate. Then find the flow velocity, and hence the Reynolds number, to check that the flow is indeed laminar.) (b) Hot water at 50°C is flowing along a pipe 800 mm diameter at a mean speed of 2.3 m/s. At this temperature the kinematic viscosity of the water is v=5.55x107 m²/s. Will the flow be laminar or turbulent?
Answer ALL parts (a) - (c). (a) Diesel fuel flows along a pipe 6 m long, whose bore (internal diameter) is 5 mm. The density and viscosity of the fuel are 850 kg/m³ and 1.8 x 10-³ Ns/m² respectively. If the pressure-drop over the length of the pipe 1.3 kN/m², estimate the volume flow rate of fuel along the pipe. (Hint: since the bore is small, assume the flow is laminar and use Poiseuille's equation to find the flow rate. Then find the flow velocity, and hence the Reynolds number, to check that the flow is indeed laminar.) (b) Hot water at 50°C is flowing along a pipe 800 mm diameter at a mean speed of 2.3 m/s. At this temperature the kinematic viscosity of the water is v=5.55x107 m²/s. Will the flow be laminar or turbulent?
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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