Glossary of Compressed Air Terms :: T :: Glossary Index A B C D E F G H I J K L M N O P Q R S T U V W X Y Z T1 Measuring point for compressor acceptance test. Temperature at the compressor inlet flange. T3 Measuring point for compressor acceptance test. Temperature before an orifice or nozzle, downstream of compressor discharge. Temperature Is the property of a substance that gauges the potential or driving force for the flow of heat. Temperature absolute The temperature of a body referred to the absolute zero, at which point the volume of an ideal gas theoretically becomes zero. (Fahrenheit scale is minus 459.67°F / Celsius scale is minus 273.15°C). Temperature discharge Is the temperature existing at the discharge port of the compressor. Temperature inlet Is the temperature at the inlet flange of the compressor. Temperature intake The toal temperature at the intake flange of the compressor. Temperature rise ratio Is the ratio of the computed isentropic temperature rise to the measured total temperature rise during compression. Temperature static The actual temperature of a moving gas stream. It is the temperature indicated by a thermometer moving in the stream with the same velocity as the stream. Temperature total The temperature which would be measured at the stagnation point if a gas stream were stopped, with adiabatic compression from the flow condition to the stagnation pressure. Theoretical power The power required to compress a gas isothermally through a specified range of pressures. Thermal compressor is an ejector used to compress waste or exhaust steam or any other gas through a moderate range of compression above atmospheric pressure. Thermal mass Material that stores energy, although mass will also retain coolness. The thermal storage capacity of a material is a measure of the material's ability to absorb and store heat. Thermodynamics first law of The amount of work done on or by a system is equal to the amount of energy transferred to or from the system. Thermodynamics second law of Heat cannot, of itself, pass from a colder to a hotter body. Thrust balancing device The part of a rotating element that counteracts any inherent thrust developed by the impellers. Tilting pad A type of journal bearing in centrifugal air compressors. Torr A unit of pressure used with vacuum pumps, equal to 1mm of mercury and 133.32 Pascal's. Total package input power The total electrical power input to a compressor, including drive motor, cooling fan, motors, controls, etc. Torque Torsional moment or couple. It usually refers to the driving couple of a machine or motor. Trunk compressor A compressor belonging to the group of displacement reciprocating compressors. Trunnion A device for mounting cylinders. Tugger An air operated device for hoisting or pulling. Similar to a slusher or winch Tundish A receptacle, open to atmosphere, that is used to used to collect condensate. For example, two or three drain pipes from various filters may be discharging into a funnel. In this case the funnel is a tundish. Two stage compressor Machines in which air or gas is compressed from initial pressure to an intermediate pressure in one or more cylinders or casings. Two step control Load/unload control system that tries to maximizes compressor efficiency by matching air delivery and air demand. Compressor is operated at full load or idle TXV valve A thermal expansion valve. Glossary Index A B C D E F G H I J K L M N O P Q R S T U V W X Y Z