2. Boilers, Condensers and Furnaces:
                                   
Cold-flow furnace model (1)
                                   
Cold-flow furnace model (2)
                                   
Gas-turbine combustor
                                   
Power-station steam condenser
                                   
3D steam generator
                                   
Refuse incinerator
                                   
Power-station furnace
                                   
Coal-fired furnace model
See also the work of 
ESA.
     3. Cooling Towers:
                                   
Natural-draught cooling tower
 
    4. Electrical Power
                                   
Cooling of an electric motor