Question: For OTTO This spreadsheet provides a template for analysis of the Otto (spark-ignition, internal combustion) Cycle. The student must fill in all the data in the grids (by manually computing it and table lookup).

Question: a) derive the air standard efficiency of an ideal otto cycle in terms of volume compression ratio and the ratioof specific heat capacities for air, Γ from firstprinciples. State your assumptions.b) An otto cycle has a bore stroke ratio of 1.0 andlearance ratio of 12:1.

Consider a cold air-standard Otto cycle. Operating data at principal states in the cycle are given in the table below. The states are numbered as in Fig. 9.3. The heat rejection from the cycle is 86 Btu per lb of air. Assuming Cv=0.172 Btu/lb R, Determin. Write possible Assumptions no less than three assumptions. 2- Draw clear schematic for ...

An air-standard Otto Cycle has a compression ratio of 9. At the beginning of compression, p1=100 kpa and t1=300 K. The heat addition per unit mass of air is 1350 kJ/kg. Determine a) the net work in kJ per kg of air. b) the thermal efficiency of the cycle. c) the mean effective pressure, in Kpa. d) the maximum temperature in the cycle in K.

An ideal Otto cycle has a compression ratio of 8 . At the beginning of the compression process, air is at 9 5 kPa and 2 7 ° C, and 7 7 5 k J k g of heat is transferred to air during the constant-volume heat-addition process. Take into account the variation of specific heats with temperature. The gas constant of air is R = 0. 2 8 7 ...

Efficiency of the Otto Cycle Show that the thermal efficiency of an engine operating in an idealized Otto cycle (see the piston diagram and the PV diagram below) is given by the following equation. Treat the working substance as an ideal gas. 1 V-1 e = 1 - piston diagram The intake valve opens, and the air- fuel mixture enters as the piston ...

An Otto cycle with air as the working fluid has a compression ratio of 8.2. Under cold air standard conditions, the thermal efficiency of this cycle is o 56.9% 43.3 % 12.5 % 75 2 % O 52.7 % Question: An Otto cycle with air as the working fluid has a compression ratio of 8.2.

An ideal Otto cycle has a compression ratio of 8. At the beginning of the compress process, air is at 95 kPa and 27oC, and 750 kJ/kg of heat is transferred to air during the constant volume heat addition process.

Required informationProblem 10.036 - Ideal otto cycle with variable specific heatsAn ideal Otto cycle hos o compression rotio of 8 . At the beginning of the compression process, air is ot 95kPo and 27°C,and 725kJkg of heot is transferred to air during the constant-wolume heot-sddition process.

A spark-ignition engine operates on an Otto cycle with a compression ratio of 9 and a temperature range of 30 C and 1000 C. (a) Draw the T-s and P-v diagrams for the cycle. Label the state points 1, 2, 3, and 4, where heat is input to the cycle and output from the cycle, and lines of constant volume and constant entropy.