Which of the following processes is the major difference between the air standard Otto cycle and the air standard Diesel cycle?

Which of the following processes is the major difference between the air standard Otto cycle and the air standard Diesel cycle?

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All processes are ideal, combustion is replaced by heat addition to the air, and exhaust is replaced by a heat rejection process which restores the air to the initial state. The most significant difference between the ideal Otto cycle and the ideal Diesel cycle is the method of igniting the fuel-air mixture.

What do you mean by swept?

intransitive verb. 1a : to clean a surface with or as if with a broom. b : to move swiftly, forcefully, or devastatingly the wind swept through the treetops. 2 : to go with stately or sweeping movements proudly swept into the room. 3 : to move or extend in a wide curve or range.

Why is Diesel cycle better than Otto cycle?

Although for a given compression ratio the Otto cycle has higher efficiency, because the Diesel engine can be operated to higher compression ratio, the engine can actually have higher efficiency than an Otto cycle when both are operated at compression ratios that might be achieved in practice.

Which is better Otto or Diesel?

The Otto cycle has less compression ratio (7:1 to 10:1) but in diesel cycle the compression ratio is high (11:1 to 22:1). In Otto cycle as well as in diesel cycle heat rejection takes place at constant volume. The efficiency of Otto cycle is less as compared with the Diesel cycle.

What is the minimum number of valves required at the top of an engine with a four stroke cycle?

two valves
Any four-stroke internal combustion engine needs at least two valves per cylinder: one for intake of air (and often fuel), and another for exhaust of combustion gases.

How do you calculate compression ratio with clearance volume?

Plug your numbers into the formula CR = (Vsw + Vcl) / Vcl. Now that you know the swept volume and clearance volume, simply insert those numbers into the formula and solve it. Add the swept volume and cylinder volume together first. Then, divide the result by the cylinder volume to find the compression ratio.

How do you calculate engine cylinder capacity?

1. We can use the formula.
2. V = 3.14 × (B ÷ 2)2 × S.
3. V = Swept Volume of Piston.
4. B = Bore of the Cylinder.
5. S = Stroke of the.
6. Engine.
7. Then to find the total engine capacity.
8. Engine Capacity = V × N.

What is the difference between sweep volume and clearance volume?

Swept volume is the volume swept by the piston in one stroke. Whereas clearance volume is the volume of cylinder subtracted from the swept volume. Swept volume -It is the volume that travelled by the piston in the cylinder . 8 clever moves when you have $1,000 in the bank.

What is swept volume?

Swept Volume is volume between top dead centre and bottom dead centre. As piston moves from one dead centre to another it sweeps this volume, so it is called swept volume. It is also called displacement volume. Which is mentioned in unit cc (cubic centimeter).

How do you calculate the swept volume of an engine?

, mechanical engineer, with first hand experience in engine research. Total volume = Swept Volume + Clearance Volume. Swept Volume is volume between top dead centre and bottom dead centre. As piston moves from one dead centre to another it sweeps this volume, so it is called swept volume. It is also called displacement volume.

What is meant by piston displacement and swept volume?

Piston displacement is the total volume of air displaced by the piston as it moves from bottom dead center to top dead center. Piston swept volume is the same. When you use the unqualified term swept volume, it could apply to a single cylinder or all cylinders in an engine.