Thermal Sources
Temperature and heat flow rate source blocks 
This library contains thermal sources. For information on how to connect physical signal inputs of these blocks to Simulink® sources or other Simulink blocks, see Connecting Simscape Diagrams to Simulink Sources and Scopes.
Simscape Blocks
| Controlled Heat Flow Rate Source | Variable source of thermal energy, characterized by heat flow | 
| Controlled Temperature Source | Variable source of thermal energy, characterized by temperature | 
| Heat Flow Rate Source | Constant source of thermal energy, characterized by heat flow | 
| Temperature Source | Constant source of thermal energy, characterized by temperature |