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MEDIA DE ME GUSTA
Feeds
Resuelto
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 ...
alrededor de 1 hora hace
Resuelto
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...
alrededor de 1 hora hace
Resuelto
Specific Fuel Consumption
Brake-specific fuel consumption (BSFC) measures how efficiently an engine converts fuel mass into useful work. Modern petrol e...
alrededor de 1 hora hace
Resuelto
Piston Mean Speed
Mean piston speed is a critical mechanical stress indicator. It sets limits on valve timing, bearing loads and material fatigue...
alrededor de 1 hora hace
Resuelto
Engine Displacement
Engine displacement is the total swept volume of all cylinders. It is determined by bore (cylinder diameter), stroke (piston t...
alrededor de 2 horas hace
Resuelto
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...
alrededor de 2 horas hace
Resuelto
Volumetric efficiency
Volumetric efficiency measures how well an engine breathes. The ratio of the actual air mass drawn in per cycle to the theoreti...
alrededor de 2 horas hace
Resuelto
Brake Mean Effective Pressure (BMEP)
BMEP is a normalised measure of engine work output per cycle per unit displacement. It lets you compare engines of different siz...
alrededor de 2 horas hace
Resuelto
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...
alrededor de 2 horas hace
Resuelto
Engine Thermal Efficiency
The thermal efficiency of an ideal Otto cycle engine depends only on the compression ratio. A higher compression ratio yields gr...
alrededor de 2 horas hace
Resuelto
Basic Physics VI
Fing the Kinetic Energy (KE) by Distance (d) and Time (t) instead of Speed (v).
alrededor de 2 horas hace
Resuelto
Basic Physics VIII
Calculate the Mechanical Energy (ME) when the point is B.
alrededor de 2 horas hace
Resuelto
Basic Physics X
Calculate the Kinetic Energy (KE) by Weight (w), Distanec (d), and Time (t) without Mass (m) or Speed (v).
alrededor de 2 horas hace
Resuelto
Basic Physics IX
Calculate the Kinetic Energy (KE) by Weight (w) instead of Mass (m).
alrededor de 2 horas hace
Resuelto
Basic Physics I
Calculate the energy by the famous formula of Albert Einstein.
alrededor de 2 horas hace
Resuelto
Simulate full-stop emergency braking scenario.
Emergency braking events demand rapid deceleration to bring the vehicle safely to rest. Given initial vehicle speed and constant...
alrededor de 2 horas hace
Resuelto
Compute optimal regenerative and friction brake torque blending.
Electric and hybrid vehicles combine regenerative braking with traditional friction braking to maximize energy recovery while en...
alrededor de 2 horas hace
Resuelto
Estimate brake disc temperature rise during braking.
During braking, kinetic energy is converted into thermal energy, causing brake discs to heat up. Excessive temperature rise can ...
alrededor de 2 horas hace
Resuelto
Compute optimal front–rear brake force distribution.
Modern braking systems dynamically distribute braking forces between front and rear axles to maintain stability, reduce stopping...
alrededor de 2 horas hace
Resuelto
Compute wheel slip ratio during braking.
During braking, a difference develops between the vehicle’s forward speed and the rotational speed of its wheels. This differenc...
alrededor de 3 horas hace
Resuelto
Estimate dynamic load transfer to front axle during braking.
During braking, load shifts from the rear axle to the front axle. Given mass, deceleration, center of gravity height, and wheelb...
alrededor de 3 horas hace
Resuelto
Estimate brake line pressure required for a given force.
Hydraulic braking systems amplify pedal input to generate braking force. Given braking force and piston area, compute the hydrau...
alrededor de 3 horas hace
Resuelto
Compute the required brake torque at wheel to stop the car
Brake torque defines how effectively braking force translates into wheel deceleration. Given braking force and wheel radius, det...
alrededor de 3 horas hace
Resuelto
Compute braking force using vehicle mass and acceleration.
Compute braking force required to stop a vehicle of mass 'm' and with acceleration 'a' Remember: F = m × a.
alrededor de 3 horas hace
Resuelto
Compute vehicle stopping distance using initial speed and constant deceleration.
Given vehicle speed v (m/s) and constant deceleration a (m/s²), compute stopping distance Remember: d = v² / (2a)
alrededor de 3 horas hace
