NATURAL GAS ENGINE PERFORMANCE
Objective:
To investigate torque, fuel consumption, and efficiency of a 4-stroke, natural gas fueled, spark-ignition engine as a function of load. A GM 366 engine fueled with natural gas connected to an electrical generator
ME 5461
Spring Semester 2013
Homework Set 2
Due: February 15
1. Use EES to model an Otto cycle using air (using actual internal energy changes rather
than calculating them assuming constant Cv) as a working fluid.
a. Find T2, T3, T4, p2, p3, p4, indicated
ME 5461 Spring 2013
Engine cycles and combustion
Air standard cycles Combustion Fuel-air cycles
Air standard Otto and Diesel cycles
The "Air Standard Otto Cycle" is the simplest approximation of the cycle in a spark ignition engine. That cycle assumes a f