Force Acting on Connecting Rod Calculator

✖Force on Piston Head is the force due to the combustion of gases onto the top of a piston head.ⓘ Force on Piston Head [P]			+10% -10%
✖Inclination of Connecting Rod With Line of Stroke is the angle of inclination of the connecting rod with the line of stroke of the piston.ⓘ Inclination of Connecting Rod With Line of Stroke [φ]			+10% -10%

✖Force Acting on Connecting Rod is the force acting on the connecting rod of an ic engine during operation.ⓘ Force Acting on Connecting Rod [P_c′]

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Force Acting on Connecting Rod Solution

STEP 0: Pre-Calculation Summary

Formula Used

Force Acting on Connecting Rod = Force on Piston Head/cos(Inclination of Connecting Rod With Line of Stroke)
P_c′ = P/cos(φ)
This formula uses 1 Functions, 3 Variables

Functions Used

cos - Cosine of an angle is the ratio of the side adjacent to the angle to the hypotenuse of the triangle., cos(Angle)

Variables Used

Force Acting on Connecting Rod - (Measured in Newton) - Force Acting on Connecting Rod is the force acting on the connecting rod of an ic engine during operation.
Force on Piston Head - (Measured in Newton) - Force on Piston Head is the force due to the combustion of gases onto the top of a piston head.
Inclination of Connecting Rod With Line of Stroke - (Measured in Radian) - Inclination of Connecting Rod With Line of Stroke is the angle of inclination of the connecting rod with the line of stroke of the piston.

STEP 1: Convert Input(s) to Base Unit

Force on Piston Head: 19079.88 Newton --> 19079.88 Newton No Conversion Required
Inclination of Connecting Rod With Line of Stroke: 15.5 Degree --> 0.27052603405907 Radian (Check conversion here)

STEP 2: Evaluate Formula

Substituting Input Values in Formula

P_c′ = P/cos(φ) --> 19079.88/cos(0.27052603405907)

Evaluating ... ...

P_c′ = 19799.9969142414

STEP 3: Convert Result to Output's Unit

19799.9969142414 Newton --> No Conversion Required

FINAL ANSWER

19799.9969142414 ≈ 19800 Newton <-- Force Acting on Connecting Rod

(Calculation completed in 00.004 seconds)

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Home » Physics » IC Engine » Design of IC Engine Components » Connecting Rod » Mechanical » Buckling in Connecting Rod » Force Acting on Connecting Rod

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Created by Saurabh Patil

Shri Govindram Seksaria Institute of Technology and Science (SGSITS ), Indore

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< Buckling in Connecting Rod Calculators

Area Moment of Inertia for Connecting Rod Cross Section

LaTeX Go Area Moment of Inertia For Connecting Rod = Cross Sectional Area of Connecting Rod*Radius of Gyration For Connecting Rod^2

Radius of Gyration of I Cross Section about yy Axis

LaTeX Go Radius of Gyration of I Section About YY Axis = 0.996*Thickness of Flange And Web of I Section

Height of Cross Section of Connecting Rod at Middle Section

LaTeX Go Height of Connecting Rod at Mid Section = 5*Thickness of Flange And Web of I Section

Width of I Cross Section of Connecting Rod

LaTeX Go Width of Connecting Rod = 4*Thickness of Flange And Web of I Section

< Important Formula of Connection Rod Calculators

Bearing Pressure on Piston Pin Bush

LaTeX Go Bearing Pressure of Piston Pin Bush = Force on Piston Pin Bearing/(Inner Diameter of Bush on Piston Pin*Length of Bush on Piston Pin)

Mass of Reciprocating Parts in Engine Cylinder

LaTeX Go Mass of Reciprocating Parts in Engine Cylinder = Mass of Piston Assembly+Mass of Connecting Rod/3

Angular Velocity of Crank given Engine Speed in RPM

LaTeX Go Angular Velocity of Crank = 2*pi*Engine Speed in Rpm/60

Crank Radius given Stroke Length of Piston

LaTeX Go Crank Radius of Engine = Stroke Length/2

Force Acting on Connecting Rod Formula

LaTeX Go

Force Acting on Connecting Rod = Force on Piston Head/cos(Inclination of Connecting Rod With Line of Stroke)
P_c′ = P/cos(φ)

Forces on Connecting Rod

During each rotation of the crankshaft, the connecting rod is often subject to large and repetitive forces: shear forces due to the angle between the piston and the crankpin, compression forces as the piston moves downwards, and tensile forces as the piston move upwards. These forces are proportional to the engine speed (RPM) squared.

Failure of Connecting Rod

Failure of a connecting rod often called "throwing a rod", is one of the most common causes of catastrophic engine failure in cars, frequently driving the broken rod through the side of the crankcase and thereby rendering the engine irreparable. Common causes of connecting rod failure are tensile failure from high engine speeds, the impact force when the piston hits a valve (due to a valvetrain problem), rod bearing failure (usually due to a lubrication problem), or incorrect installation of the connecting rod.

How to Calculate Force Acting on Connecting Rod?

Force Acting on Connecting Rod calculator uses Force Acting on Connecting Rod = Force on Piston Head/cos(Inclination of Connecting Rod With Line of Stroke) to calculate the Force Acting on Connecting Rod, Force acting on connecting rod is the force that is transferred from the piston to the connecting rod. Force Acting on Connecting Rod is denoted by P_c′ symbol.

How to calculate Force Acting on Connecting Rod using this online calculator? To use this online calculator for Force Acting on Connecting Rod, enter Force on Piston Head (P) & Inclination of Connecting Rod With Line of Stroke (φ) and hit the calculate button. Here is how the Force Acting on Connecting Rod calculation can be explained with given input values -> 19800 = 19079.88/cos(0.27052603405907).

FAQ

What is Force Acting on Connecting Rod?

Force acting on connecting rod is the force that is transferred from the piston to the connecting rod and is represented as P_c′ = P/cos(φ) or Force Acting on Connecting Rod = Force on Piston Head/cos(Inclination of Connecting Rod With Line of Stroke). Force on Piston Head is the force due to the combustion of gases onto the top of a piston head & Inclination of Connecting Rod With Line of Stroke is the angle of inclination of the connecting rod with the line of stroke of the piston.

How to calculate Force Acting on Connecting Rod?

Force acting on connecting rod is the force that is transferred from the piston to the connecting rod is calculated using Force Acting on Connecting Rod = Force on Piston Head/cos(Inclination of Connecting Rod With Line of Stroke). To calculate Force Acting on Connecting Rod, you need Force on Piston Head (P) & Inclination of Connecting Rod With Line of Stroke (φ). With our tool, you need to enter the respective value for Force on Piston Head & Inclination of Connecting Rod With Line of Stroke and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.

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