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Problem 3 (15 points) Water is discharged from a tank to the atmosphere at C. The volumetric flow rate is Q=0.475m³/s with the gate valve A fully open. The pipe is made of galvanized iron with a mean roughness & = 0.15mm. The entrance to the pipe is sharp-edged with a minor loss coefficient of 0.5 and there are two 90-degree elbows. The free surface B is exposed to air. Neglect the minor loss associated with the exit. Find the pipe diameter d (Hint: Gate valve and elbow loss coefficient can be found from the table supplied below. You will need first to establish an eqn. relating the diameter to the friction factor. Iterations may be needed to find the solution). B 3 m 8 m Loss coefficients for pipe fittings K₁₂ 4 m Gate valve-fully opened Globe valve-fully opened 0.19 10 Angle valve-fully opened 5 Ball valve-fully opened 0.05 6 m Swing check valve 2 90° elbow (short radius) 0.9 C 90° long sweep elbow 0.6 Datum 45° bend (short radius) 0.4 180° return bend (short radius) 2 Tee for V along pipe run 0.4 Tee for V along branch 1.8

Problem 3 (15 points) Water is discharged from a tank to the atmosphere at C. The volumetric flow rate is Q=0.475m³/s with the gate valve A fully open. The pipe is made of galvanized iron with a mean roughness & = 0.15mm. The entrance to the pipe is sharp-edged with a minor loss coefficient of 0.5 and there are two 90-degree elbows. The free surface B is exposed to air. Neglect the minor loss associated with the exit. Find the pipe diameter d (Hint: Gate valve and elbow loss coefficient can be found from the table supplied below. You will need first to establish an eqn. relating the diameter to the friction factor. Iterations may be needed to find the solution). B 3 m 8 m Loss coefficients for pipe fittings K₁₂ 4 m Gate valve-fully opened Globe valve-fully opened 0.19 10 Angle valve-fully opened 5 Ball valve-fully opened 0.05 6 m Swing check valve 2 90° elbow (short radius) 0.9 C 90° long sweep elbow 0.6 Datum 45° bend (short radius) 0.4 180° return bend (short radius) 2 Tee for V along pipe run 0.4 Tee for V along branch 1.8

Elements Of Electromagnetics
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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Problem 3 (15 points) Water is discharged from a tank to the atmosphere at C. The volumetric flow rate is Q=0.475m³/s with the gate valve A fully open. The pipe is made of galvanized iron with a mean roughness & = 0.15mm. The entrance to the pipe is sharp-edged with a minor loss coefficient of 0.5 and there are two 90-degree elbows. The free surface B is exposed to air. Neglect the minor loss associated with the exit. Find the pipe diameter d (Hint: Gate valve and elbow loss coefficient can be found from the table supplied below. You will need first to establish an eqn. relating the diameter to the friction factor. Iterations may be needed to find the solution). B 3 m 8 m Loss coefficients for pipe fittings K₁₂ 4 m Gate valve-fully opened Globe valve-fully opened 0.19 10 Angle valve-fully opened 5 Ball valve-fully opened 0.05 6 m Swing check valve 2 90° elbow (short radius) 0.9 C 90° long sweep elbow 0.6 Datum 45° bend (short radius) 0.4 180° return bend (short radius) 2 Tee for V along pipe run 0.4 Tee for V along branch 1.8
Transcribed Image Text:Problem 3 (15 points) Water is discharged from a tank to the atmosphere at C. The volumetric flow rate is Q=0.475m³/s with the gate valve A fully open. The pipe is made of galvanized iron with a mean roughness & = 0.15mm. The entrance to the pipe is sharp-edged with a minor loss coefficient of 0.5 and there are two 90-degree elbows. The free surface B is exposed to air. Neglect the minor loss associated with the exit. Find the pipe diameter d (Hint: Gate valve and elbow loss coefficient can be found from the table supplied below. You will need first to establish an eqn. relating the diameter to the friction factor. Iterations may be needed to find the solution). B 3 m 8 m Loss coefficients for pipe fittings K₁₂ 4 m Gate valve-fully opened Globe valve-fully opened 0.19 10 Angle valve-fully opened 5 Ball valve-fully opened 0.05 6 m Swing check valve 2 90° elbow (short radius) 0.9 C 90° long sweep elbow 0.6 Datum 45° bend (short radius) 0.4 180° return bend (short radius) 2 Tee for V along pipe run 0.4 Tee for V along branch 1.8
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