Diameter of part of centre crankshaft under flywheel at TDC position Calculator

✖Total Bending Moment in Crankshaft under Flywheel is the total amount of bending moment in the part of the crankshaft under the flywheel, due to bending moments in the horizontal and vertical plane.ⓘ Total Bending Moment in Crankshaft under Flywheel [M_br]			+10% -10%
✖Bending Stress in Shaft Under Flywheel is the bending stress (tends to bend the shaft) in the part of the crankshaft under the flywheel.ⓘ Bending Stress in Shaft Under Flywheel [σ_bf]			+10% -10%

✖Diameter of Shaft under Flywheel is the diameter, of the part of the crankshaft under the flywheel, the distance across the shaft that passes through the center of the shaft is 2R (twice the radius).ⓘ Diameter of part of centre crankshaft under flywheel at TDC position [d_s]

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Diameter of part of centre crankshaft under flywheel at TDC position Solution

STEP 0: Pre-Calculation Summary

Formula Used

Diameter of Shaft under Flywheel = ((32*Total Bending Moment in Crankshaft under Flywheel)/(pi*Bending Stress in Shaft Under Flywheel))^(1/3)
d_s = ((32*M_br)/(pi*σ_bf))^(1/3)
This formula uses 1 Constants, 3 Variables

Constants Used

pi - Archimedes' constant Value Taken As 3.14159265358979323846264338327950288

Variables Used

Diameter of Shaft under Flywheel - (Measured in Meter) - Diameter of Shaft under Flywheel is the diameter, of the part of the crankshaft under the flywheel, the distance across the shaft that passes through the center of the shaft is 2R (twice the radius).
Total Bending Moment in Crankshaft under Flywheel - (Measured in Newton Meter) - Total Bending Moment in Crankshaft under Flywheel is the total amount of bending moment in the part of the crankshaft under the flywheel, due to bending moments in the horizontal and vertical plane.
Bending Stress in Shaft Under Flywheel - (Measured in Pascal) - Bending Stress in Shaft Under Flywheel is the bending stress (tends to bend the shaft) in the part of the crankshaft under the flywheel.

STEP 1: Convert Input(s) to Base Unit

Total Bending Moment in Crankshaft under Flywheel: 100.45 Newton Meter --> 100.45 Newton Meter No Conversion Required
Bending Stress in Shaft Under Flywheel: 32 Newton per Square Millimeter --> 32000000 Pascal (Check conversion here)

STEP 2: Evaluate Formula

Substituting Input Values in Formula

d_s = ((32*M_br)/(pi*σ_bf))^(1/3) --> ((32*100.45)/(pi*32000000))^(1/3)

Evaluating ... ...

d_s = 0.0317394957516718

STEP 3: Convert Result to Output's Unit

0.0317394957516718 Meter -->31.7394957516718 Millimeter (Check conversion here)

FINAL ANSWER

31.7394957516718 ≈ 31.7395 Millimeter <-- Diameter of Shaft under Flywheel

(Calculation completed in 00.008 seconds)

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Home » Physics » IC Engine » Design of IC Engine Components » Crankshaft » Design of Centre Crankshaft » Mechanical » Design of Shaft Under Flywheel at Top Dead Centre Position » Diameter of part of centre crankshaft under flywheel at TDC position

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< Design of Shaft Under Flywheel at Top Dead Centre Position Calculators

Resultant Bending Moment in centre crankshaft at TDC position below flywheel

LaTeX Go Total Bending Moment in Crankshaft under Flywheel = sqrt((Vertical Reaction at Bearing 3 due to Flywheel*Centre Crankshaft Bearing3 Gap from Flywheel)^2+(Horizontal Reaction at Bearing 3 due to Belt*Centre Crankshaft Bearing3 Gap from Flywheel)^2)

Diameter of part of centre crankshaft under flywheel at TDC position

LaTeX Go Diameter of Shaft under Flywheel = ((32*Total Bending Moment in Crankshaft under Flywheel)/(pi*Bending Stress in Shaft Under Flywheel))^(1/3)

Bending Moment in vertical plane of centre crankshaft below flywheel at TDC due to flywheel weight

LaTeX Go Bending Moment at Crankshaft Under Flywheel = Vertical Reaction at Bearing 3 due to Flywheel*Centre Crankshaft Bearing3 Gap from Flywheel

Bending Moment in horizantal plane of centre crankshaft below flywheel at TDC due to belt tension

LaTeX Go Bending Moment at Crankshaft Under Flywheel = Horizontal Reaction at Bearing 3 due to Belt*Centre Crankshaft Bearing3 Gap from Flywheel

Diameter of part of centre crankshaft under flywheel at TDC position Formula

LaTeX Go

Diameter of Shaft under Flywheel = ((32*Total Bending Moment in Crankshaft under Flywheel)/(pi*Bending Stress in Shaft Under Flywheel))^(1/3)
d_s = ((32*M_br)/(pi*σ_bf))^(1/3)

Functions of a flywheel

Flywheel, heavy wheel attached to a rotating shaft so as to smooth out the delivery of power from a motor to a machine. The inertia of the flywheel opposes and moderates fluctuations in the speed of the engine and stores the excess energy for intermittent use. To oppose speed fluctuations effectively, a flywheel is given high rotational inertia; i.e., most of its weight is well out from the axis. The energy stored in a flywheel, however, depends on both the weight distribution and the rotary speed; if the speed is doubled, the kinetic energy is quadrupled. For minimum weight and high energy-storing capacity, a flywheel may be made of high-strength steel and designed as a tapered disk, thick at the center and thin at the rim.

How to Calculate Diameter of part of centre crankshaft under flywheel at TDC position?

Diameter of part of centre crankshaft under flywheel at TDC position calculator uses Diameter of Shaft under Flywheel = ((32*Total Bending Moment in Crankshaft under Flywheel)/(pi*Bending Stress in Shaft Under Flywheel))^(1/3) to calculate the Diameter of Shaft under Flywheel, Diameter of part of centre crankshaft under flywheel at TDC position is the diameter of the part of the crankshaft under the flywheel, where the crankshaft is designed for when the crank is at the top dead center position and subjected to maximum bending moment and no torsional moment. Diameter of Shaft under Flywheel is denoted by d_s symbol.

How to calculate Diameter of part of centre crankshaft under flywheel at TDC position using this online calculator? To use this online calculator for Diameter of part of centre crankshaft under flywheel at TDC position, enter Total Bending Moment in Crankshaft under Flywheel (M_br) & Bending Stress in Shaft Under Flywheel (σ_bf) and hit the calculate button. Here is how the Diameter of part of centre crankshaft under flywheel at TDC position calculation can be explained with given input values -> 31748.97 = ((32*100.45)/(pi*32000000))^(1/3).

FAQ

What is Diameter of part of centre crankshaft under flywheel at TDC position?

Diameter of part of centre crankshaft under flywheel at TDC position is the diameter of the part of the crankshaft under the flywheel, where the crankshaft is designed for when the crank is at the top dead center position and subjected to maximum bending moment and no torsional moment and is represented as d_s = ((32*M_br)/(pi*σ_bf))^(1/3) or Diameter of Shaft under Flywheel = ((32*Total Bending Moment in Crankshaft under Flywheel)/(pi*Bending Stress in Shaft Under Flywheel))^(1/3). Total Bending Moment in Crankshaft under Flywheel is the total amount of bending moment in the part of the crankshaft under the flywheel, due to bending moments in the horizontal and vertical plane & Bending Stress in Shaft Under Flywheel is the bending stress (tends to bend the shaft) in the part of the crankshaft under the flywheel.

How to calculate Diameter of part of centre crankshaft under flywheel at TDC position?

Diameter of part of centre crankshaft under flywheel at TDC position is the diameter of the part of the crankshaft under the flywheel, where the crankshaft is designed for when the crank is at the top dead center position and subjected to maximum bending moment and no torsional moment is calculated using Diameter of Shaft under Flywheel = ((32*Total Bending Moment in Crankshaft under Flywheel)/(pi*Bending Stress in Shaft Under Flywheel))^(1/3). To calculate Diameter of part of centre crankshaft under flywheel at TDC position, you need Total Bending Moment in Crankshaft under Flywheel (M_br) & Bending Stress in Shaft Under Flywheel (σ_bf). With our tool, you need to enter the respective value for Total Bending Moment in Crankshaft under Flywheel & Bending Stress in Shaft Under Flywheel 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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