Gas Power Cycles
Prof. U.S.P. Shet , Prof. T. Sundararajan and Prof. J.M . Mallikarjuna
Gas Power Cycles
4.0 Introduction:
An important application of thermodynamics is the analysis of power cycles th
School of Mechanical Sciences
Indian Institute of Technology, Bhubaneswar
Samantapuri, Odisha-751013, INDIA
Thermodynamics (MES 2001)
(Tutorial - 2)
1. At a certain instant a steam boiler of 1 m3 capa
School of Mechanical Sciences
Indian Institute of Technology, Bhubaneswar
Samantapuri, Odisha-751013, INDIA
Thermodynamics (ME S2001)
(Tutorial - 1)
1. A cylinder fitted with a massless piston contain
Gas Power Cycles
Prof. U.S.P. Shet , Prof. T. Sundararajan and Prof. J.M . Mallikarjuna
4.10 Brayton Cycle (Simple Gas Turbine Cycle):
3
2
4'
4
1
Volume
(a)
3
4'
2
4
1
Entropy
(b)
Fig.4.10. Brayton cy
Gas Power Cycles
Prof. U.S.P. Shet , Prof. T. Sundararajan and Prof. J.M . Mallikarjuna
4.7 Comparison of Otto, Diesel and Dual Cycles:
The important variable factors which are used as the basis for c
Gas Power Cycles
Prof. U.S.P. Shet , Prof. T. Sundararajan and Prof. J.M . Mallikarjuna
4.9 Lenoir Cycle:
2
3
1
Volume
(a)
2
3
1
Entropy
(b)
Fig.4.9. Lenoir cycle on p-v and T-s diagrams
Indian Instit
Gas Power Cycles
Prof. U.S.P. Shet , Prof. T. Sundararajan and Prof. J.M . Mallikarjuna
4.8. Atkinson Cycle:
Atkinson cycle is an ideal cycle for Otto engine exhausting to a gas turbine. In this cycle
Gas Power Cycles
Prof. U.S.P. Shet , Prof. T. Sundararajan and Prof. J.M . Mallikarjuna
4.2 Stirling Cycle (Regenerative Cycle) :
The Carnot cycle has a low mean effective pressure because of its very
Gas Power Cycles
Prof. U.S.P. Shet , Prof. T. Sundararajan and Prof. J.M . Mallikarjuna
4.5 Air Standard Diesel Cycle:
Air standard diesel cycle is a idealized cycle for diesel engines. It is as shown
Gas Power Cycles
Prof. U.S.P. Shet , Prof. T. Sundararajan and Prof. J.M . Mallikarjuna
4.4 Air Standard Otto Cycle:
The air-standard-Otto cycle is the idealized cycle for the spark-ignition internal
Gas Power Cycles
Prof. U.S.P. Shet , Prof. T. Sundararajan and Prof. J.M . Mallikarjuna
4.6 Limited Pressure Cycle (or Dual Cycle):
This cycle is also called as the dual cycle, which is shown in Fig.4
Gas Power Cycles
Prof. U.S.P. Shet , Prof. T. Sundararajan and Prof. J.M . Mallikarjuna
4.3 Ericsson Cycle:
The Ericsson cycle consists of two isothermal and two constant pressure processes.
The proce
Gas Power Cycles
Prof. U.S.P. Shet , Prof. T. Sundararajan and Prof. J.M . Mallikarjuna
4.1 Carnot Cycle :
A Carnot gas cycle operating in a given temperature range is shown in the T-s diagram
in Fig.
School of Mechanical Sciences
Indian Institute of Technology, Bhubaneswar
Samantapuri, Odisha-751013, INDIA
Thermodynamics (MES 2001)
(Tutorial - 3)
1. It is desired to maintain an auditorium at 25C t