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GAS FLOW ERROR [2 records]
Record 1 - internal organization data 2001-08-17
Record 1, English
Record 1, Subject field(s)
- Lasers and Masers
- Aircraft Piloting and Navigation
- Navigation Instruments
- Flight Instruments and Equipment (Aeroindustry)
Record 1, Main entry term, English
- gas-flow error
1, record 1, English, gas%2Dflow%20error
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
- gas flow error 2, record 1, English, gas%20flow%20error
correct
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
(Laser gyro) The error resulting from the flow of gas in direct-current discharge tubes. It is caused by complex interactions among atoms, ions, electrons and tube walls. 2, record 1, English, - gas%2Dflow%20error
Record 1, French
Record 1, Domaine(s)
- Masers et lasers
- Pilotage et navigation aérienne
- Instruments de navigation
- Instruments et équipement de bord (Constructions aéronautiques)
Record 1, Main entry term, French
- erreur due au flux gazeux
1, record 1, French, erreur%20due%20au%20flux%20gazeux
correct, feminine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
Record 1, Textual support, French
Record 1, Spanish
Record 1, Textual support, Spanish
Record 2 - internal organization data 2001-07-06
Record 2, English
Record 2, Subject field(s)
- Industrial Techniques and Processes
- Computer Mathematics
Record 2, Main entry term, English
- mass flow controller
1, record 2, English, mass%20flow%20controller
correct
Record 2, Abbreviations, English
Record 2, Synonyms, English
Record 2, Textual support, English
Record number: 2, Textual support number: 1 CONT
When specifying a mass flow control system, the first consideration is whether the process will take place at constant system pressure, constant throughput, and/or predetermined gas flow ratio. Another important consideration is whether system control will be automatic(microprocessor) or manual(setpoint potentiometers).... There are three major state-of-the-art systems that can be identified. The first uses a flowmeter(s)... as the primary transducer(s) to monitor mass flow. Using this format, a signal is compared in control circuitry to a setpoint signal. This generates an error voltage which is used to drive a valve, thus continuously controlling the flow. The second major type of system uses a pressure transducer as the primary sensing element. System pressure is held either constant or varied at a predetermined rate by controlling the mass flow rate of process gases. This leads to a third type of system that slaves valves and flowmeters to the primary sensing. 1, record 2, English, - mass%20flow%20controller
Record 2, French
Record 2, Domaine(s)
- Techniques industrielles
- Mathématiques informatiques
Record 2, Main entry term, French
- régulateur de débit massique
1, record 2, French, r%C3%A9gulateur%20de%20d%C3%A9bit%20massique
proposal, masculine noun
Record 2, Abbreviations, French
Record 2, Synonyms, French
Record 2, Textual support, French
Record 2, Spanish
Record 2, Textual support, Spanish
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