UNIT IV

Topics

• Centrifugal and steam jet refrigeration systems →
• thermoelectric refrigeration systems →
• vortex tube and other refrigeration systems →
• ultra low temperature refrigeration →
• cold storages →
• insulation mater →
• Thermodynamic properties of moist air →
• perfect gas relationship for approximate calculation →
• adiabatic saturation process →
• wet bulb temperature and its measurement →
• psychometric chart and its use →
• ele →