Important Thermodynamic Graphs

Important Thermodynamic Graphs

## P-V Diagram

### Work Done

$$W=Area\ under\ P-V\ curve$$

### Conditions / Special Cases

Expansion:

$$W>0$$

Compression:

$$W<0$$

### Usage

- Used to compare thermodynamic processes.

---

## V-T Diagram

### Constant Pressure

$$V\propto T$$

### Usage

- Used for isobaric processes.

---

## P-T Diagram

### Constant Volume

$$P\propto T$$

### Usage

- Used for isochoric processes.