Basic Physics I
Calculate the energy by the famous formula of Albert Einstein.
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Geometric Compression Ratio
The geometric compression ratio CR is the ratio of the total cylinder volume at BDC to the clearance volume at TDC.
It is one ...
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Swept Volume and Clearance Volume
The swept volume (V_s) is the volume displaced by the piston as it travels from BDC (Bottom Dead Centre) to TDC (Top Dead Centre...
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Piston Mean Speed
Mean piston speed is a critical mechanical stress indicator.
It sets limits on valve timing, bearing loads and material fatigue...
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Engine Displacement
Engine displacement is the total swept volume of all cylinders.
It is determined by bore (cylinder diameter), stroke (piston t...
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Fuel-Air Equivalence Ratio (Lambda)
Lambda (λ) is the ratio of actual air-fuel ratio to the stoichiometric air-fuel ratio.
λ = 1 is perfect stoichiometry,
λ < 1...
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Volumetric efficiency
Volumetric efficiency measures how well an engine breathes.
The ratio of the actual air mass drawn in per cycle to the theoreti...
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Engine torque and RPM
Torque and power are related through rotational speed. Knowing brake power and engine RPM, you can back-calculate the torque del...
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Engine Thermal Efficiency
The thermal efficiency of an ideal Otto cycle engine depends only on the compression ratio. A higher compression ratio yields gr...
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Basic Mathematics 6
A High School is trying to build their robot to be able to reach the hanging object which is H inches from the ground. Their ro...
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Basic Mathematics 7
Three generous robotics team mentors would jointly like to donate $N toward extra supplies. The second mentor is donating twice ...