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Work is done when a force that is applied to an object moves that object. Check FAQs
W=(23)L((4fLpipe2dpipeg)((Aad)(ωr))2)
W - Work?L - Length of Stroke?f - Friction Factor?Lpipe - Length of Pipe?dpipe - Pipe Diameter?g - Acceleration Due to Gravity?A - Area of cylinder?ad - Area of delivery pipe?ω - Angular Velocity?r - Crank radius?

Work done by pump per stroke against friction Example

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Here is how the Work done by pump per stroke against friction equation looks like with Values.

Here is how the Work done by pump per stroke against friction equation looks like with Units.

Here is how the Work done by pump per stroke against friction equation looks like.

3.6806Edit=(23)0.88Edit((40.63Edit0.1Edit21.01Edit9.8Edit)((0.6Edit0.25Edit)(2.5Edit3.7Edit))2)
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Work done by pump per stroke against friction Solution

Follow our step by step solution on how to calculate Work done by pump per stroke against friction?

FIRST Step Consider the formula
W=(23)L((4fLpipe2dpipeg)((Aad)(ωr))2)
Next Step Substitute values of Variables
W=(23)0.88m((40.630.1m21.01m9.8m/s²)((0.60.25)(2.5rad/s3.7m))2)
Next Step Prepare to Evaluate
W=(23)0.88((40.630.121.019.8)((0.60.25)(2.53.7))2)
Next Step Evaluate
W=3.68061555869873J
Next Step Convert to Output's Unit
W=3.68061555869873N*m
LAST Step Rounding Answer
W=3.6806N*m

Work done by pump per stroke against friction Formula Elements

Variables
Work
Work is done when a force that is applied to an object moves that object.
Symbol: W
Measurement: EnergyUnit: N*m
Note: Value can be positive or negative.
Length of Stroke
Length of stroke is the range of movement of piston.
Symbol: L
Measurement: LengthUnit: m
Note: Value can be positive or negative.
Friction Factor
The Friction factor or Moody chart is the plot of the relative roughness (e/D) of a pipe against Reynold's number.
Symbol: f
Measurement: NAUnit: Unitless
Note: Value can be positive or negative.
Length of Pipe
Length of Pipe describes the length of the pipe in which the liquid is flowing.
Symbol: Lpipe
Measurement: LengthUnit: m
Note: Value can be positive or negative.
Pipe Diameter
The Pipe Diameter refers to the diameter of the pipe in which the liquid is flowing.
Symbol: dpipe
Measurement: LengthUnit: m
Note: Value should be greater than 0.
Acceleration Due to Gravity
Acceleration Due to Gravity is acceleration gained by an object because of gravitational force.
Symbol: g
Measurement: AccelerationUnit: m/s²
Note: Value should be greater than 0.
Area of cylinder
Area of cylinder is defined as the total space covered by the flat surfaces of the bases of the cylinder and the curved surface.
Symbol: A
Measurement: AreaUnit:
Note: Value can be positive or negative.
Area of delivery pipe
Area of delivery pipe through which the liquid is delivered.
Symbol: ad
Measurement: AreaUnit:
Note: Value can be positive or negative.
Angular Velocity
The Angular Velocity refers to how fast an object rotates or revolves relative to another point, i.e. how fast the angular position or orientation of an object changes with time.
Symbol: ω
Measurement: Angular VelocityUnit: rad/s
Note: Value can be positive or negative.
Crank radius
Crank radius is radius of the crank.
Symbol: r
Measurement: LengthUnit: m
Note: Value should be greater than 0.

Other Formulas to find Work

​Go Work Done by Double Acting Reciprocating Pump
W=2SWApL(N60)(hcoc+hd)
​Go Work Done by Double-acting Pump considering all Head Losses
W=(2SWALN60)(hs+hdel+((23)hfd)+((23)hfs))

Other formulas in Double Acting Pumps category

​Go Discharge of Double Acting Reciprocating Pump
Q=(π4)L((2(dp2))-(d2))(N60)
​Go Discharge of Double Acting Reciprocating Pump neglecting Diameter of Piston Rod
Q=2ApLN60

How to Evaluate Work done by pump per stroke against friction?

Work done by pump per stroke against friction evaluator uses Work = (2/3)*Length of Stroke*(((4*Friction Factor*Length of Pipe)/(2*Pipe Diameter*Acceleration Due to Gravity))*((Area of cylinder/Area of delivery pipe)*(Angular Velocity*Crank radius))^2) to evaluate the Work, The Work done by pump per stroke against friction formula is defined as measure of energy transfer that occurs when fluid is moved over a distance by an external force at least part of which is applied in the direction of the displacement. Work is denoted by W symbol.

How to evaluate Work done by pump per stroke against friction using this online evaluator? To use this online evaluator for Work done by pump per stroke against friction, enter Length of Stroke (L), Friction Factor (f), Length of Pipe (Lpipe), Pipe Diameter (dpipe), Acceleration Due to Gravity (g), Area of cylinder (A), Area of delivery pipe (ad), Angular Velocity (ω) & Crank radius (r) and hit the calculate button.

FAQs on Work done by pump per stroke against friction

What is the formula to find Work done by pump per stroke against friction?
The formula of Work done by pump per stroke against friction is expressed as Work = (2/3)*Length of Stroke*(((4*Friction Factor*Length of Pipe)/(2*Pipe Diameter*Acceleration Due to Gravity))*((Area of cylinder/Area of delivery pipe)*(Angular Velocity*Crank radius))^2). Here is an example- 3.67812 = (2/3)*0.88*((4*0.63*0.1)/(2*1.01*[g]))*((0.6/0.25)*(2.5*3.7))^2.
How to calculate Work done by pump per stroke against friction?
With Length of Stroke (L), Friction Factor (f), Length of Pipe (Lpipe), Pipe Diameter (dpipe), Acceleration Due to Gravity (g), Area of cylinder (A), Area of delivery pipe (ad), Angular Velocity (ω) & Crank radius (r) we can find Work done by pump per stroke against friction using the formula - Work = (2/3)*Length of Stroke*(((4*Friction Factor*Length of Pipe)/(2*Pipe Diameter*Acceleration Due to Gravity))*((Area of cylinder/Area of delivery pipe)*(Angular Velocity*Crank radius))^2).
What are the other ways to Calculate Work?
Here are the different ways to Calculate Work-
  • Work=2*Specific Weight*Area of Piston*Length of Stroke*(Speed in RPM/60)*(Height of centre of cylinder+Height to which liquid is raised)OpenImg
  • Work=(2*Specific Weight*Area of cylinder*Length of Stroke*Speed in RPM/60)*(Suction Head+Delivery Head+((2/3)*Head loss due to friction in delivery pipe)+((2/3)*Head Loss due to Friction in Suction Pipe))OpenImg
  • Work=((2*Density*Area of cylinder*Length of Stroke*Speed in RPM)/60)*(Suction Head+Delivery Head+0.66*Head Loss due to Friction in Suction Pipe+0.66*Head loss due to friction in delivery pipe)OpenImg
Can the Work done by pump per stroke against friction be negative?
Yes, the Work done by pump per stroke against friction, measured in Energy can be negative.
Which unit is used to measure Work done by pump per stroke against friction?
Work done by pump per stroke against friction is usually measured using the Newton Meter[N*m] for Energy. Joule[N*m], Kilojoule[N*m], Gigajoule[N*m] are the few other units in which Work done by pump per stroke against friction can be measured.
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