**Air Standard Assumptions**

**12/06/17**

*“What are the common assumptions for analyzing Power engines?”*

Power engines are very complex machines. As such, we will have to simplify them a bit when performing analysis. So how can we use our engineering mindset to solve this problem? Well, let’s make some assumptions. **First **Since these systems are fluid based, and the air is the simplest fluid to analyze, let’s say that air is the primary working fluid. **Second**, let’s say that all processes are ideal and reversible. **Third, **have combustion is modelled by a heat addition process. **Fourth** finally,** **let the exhaust process is a heat rejection process. These are known as the **Air Standard Assumptions **and are some of the most fundamental aspects of thermodynamics

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