Problem

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...

4 Monate vor | 0 | 36 Lösungsvorschläge

Problem

Specific Fuel Consumption
Brake-specific fuel consumption (BSFC) measures how efficiently an engine converts fuel mass into useful work. Lower is better...

4 Monate vor | 0 | 36 Lösungsvorschläge

Problem

Piston Mean Speed
Mean piston speed is a critical mechanical stress indicator — it sets limits on valve timing, bearing loads, and material fatigu...

4 Monate vor | 0 | 39 Lösungsvorschläge

Problem

Engine Displacement
Engine displacement is the total swept volume of all cylinders. It is determined by bore (cylinder diameter), stroke (piston tra...

4 Monate vor | 0 | 40 Lösungsvorschläge

Problem

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 is ...

4 Monate vor | 0 | 46 Lösungsvorschläge

Problem

Volumetric efficiency
Volumetric efficiency measures how well an engine breathes. The ratio of the actual air mass drawn in per cycle to the theoreti...

4 Monate vor | 0 | 40 Lösungsvorschläge

Problem

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...

4 Monate vor | 0 | 37 Lösungsvorschläge

Problem

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...

4 Monate vor | 0 | 57 Lösungsvorschläge

Problem

Engine Thermal Efficiency
The thermal efficiency of an ideal Otto cycle engine depends only on the compression ratio. A higher compression ratio yields gr...

4 Monate vor | 3 | 62 Lösungsvorschläge

Gelöst

Electric Power Steering (EPS) Assist Curve Calculation
Electric Power Steering (EPS) provides assist torque proportional to driver input. Given Steering torque Ts and Gain k, Compute...

4 Monate vor

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Steering Torque Estimation
Steering torque is generated due to lateral tire forces acting through the steering mechanism. Given Lateral force Fy and Lever...

4 Monate vor

Gelöst

Understeer or Oversteer Gradient Calculation
This gradient determines whether a vehicle tends to understeer or oversteer. Given Mass m, Wheelbase L, Front cornering stiffne...

4 Monate vor

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Steering Ratio Calculation
The steering ratio defines the relationship between steering wheel angle and road wheel angle. Given wheel angle δ and Steering...

4 Monate vor

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Tire Slip Angle Calculation
Slip angle represents the angle between the direction a tire is pointing and the direction it is moving. Given Lateral velocity...

4 Monate vor

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Yaw rate of the vehicle
Yaw rate defines how quickly a vehicle rotates about its vertical axis during motion. Given Vehicle speed v and Turning radius ...

4 Monate vor

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Turning radius of a vehicle
The turning radius represents the radius of the circular path followed by a vehicle. Given Wheelbase L and Steering angle δ, Co...

4 Monate vor

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Steering 101-Ackermann Steering Ratio
In a turning vehicle, inner and outer wheels follow different radii. Ackermann steering geometry ensures both wheels roll withou...

4 Monate vor

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Find the Pattern 10

4 Monate vor

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Find the Pattern 9

4 Monate vor

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Find the Pattern 8

4 Monate vor

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Find the Pattern 7

4 Monate vor

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Find the Pattern 6

4 Monate vor

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Find the Pattern 5

4 Monate vor

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Find the Pattern 4

4 Monate vor

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Find the Pattern 3

5 Monate vor

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Find the Pattern 2

5 Monate vor

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Find the Pattern 1

5 Monate vor

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英語の文章内の母音を取り除くコードを書きましょう。
与えられた英語の文章内の母音を取り除きましょう。例: 入力 s1 が 'Jack and Jill went up the hill' の場合、出力 s2 は 'Jck nd Jll wnt p th hll' * (英語版) ...

5 Monate vor

Gelöst

文字列の最初と最後の文字だけ抜き出しましょう。
文字列の最初と最後の文字をつなげて返すような関数を作成しましょう。もし文字が一つしかない場合、その文字は最初と最後の文字のため、関数はその文字を二回返すようにしておきましょう。例: stringfirstandlast('borin...

5 Monate vor

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対称で、n*2n のサイズの行列を作成しましょう
サイズが n*2n の "mirror" 行列（対称行列）を作成しましょう。例: n=2 の場合、以下のような出力を返します。 m = [ 1 2 2 1 1 2 2 1 ] n = 3 の場合、以下のよう...

5 Monate vor