1. [Ch4 – 2] A hydraulic oil with the absolute viscosity of 0.09 N.s/m² and specific gravity of 0.9, is flowing in a 30-mm- diameter pipe at a velocity of 6 m/s, determine: a. The Reynolds number? Is the flow laminar or turbulent? b. The head loss due to friction in units of bars for a 100-m length of smooth pipe.

Structural Analysis
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Author:KASSIMALI, Aslam.
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Chapter2: Loads On Structures
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1. [Ch4 – 2] A hydraulic oil with the absolute viscosity of 0.09 N.s/m² and specific gravity of 0.9,
is flowing in a 30-mm- diameter pipe at a velocity of 6 m/'s, detemine:
a. The Reynolds number? Is the flow laminar or turbulent?
b. The head loss due to friction in units of bars for a 100-m length of smooth pipe.
2. [Ch4 - 2] The kinematic viscosity of a hydraulic oil is 0.0001 m/s. If it is flowing in a 20-mm-
diameter commercial steel pipe, find the friction factor for:
a. The velocity of 5 m/s
b. The velocity of 50 m/s
Transcribed Image Text:1. [Ch4 – 2] A hydraulic oil with the absolute viscosity of 0.09 N.s/m² and specific gravity of 0.9, is flowing in a 30-mm- diameter pipe at a velocity of 6 m/'s, detemine: a. The Reynolds number? Is the flow laminar or turbulent? b. The head loss due to friction in units of bars for a 100-m length of smooth pipe. 2. [Ch4 - 2] The kinematic viscosity of a hydraulic oil is 0.0001 m/s. If it is flowing in a 20-mm- diameter commercial steel pipe, find the friction factor for: a. The velocity of 5 m/s b. The velocity of 50 m/s
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