CFV Critical Flow Venturi
CFV Critical flow venturi
Calibration of the critical flow venturi (CFV
The diluted exhaust gas flow rate is measured either with a Positive Displacement Pump PDP or with a Critical Flow Venturi CFV.
Critical-flow venturi dilution device (CFV-CVS) (Figure 5/4
Constant volume sampler with critical-flow venturi (CFV-CVS System
Either a PDP or a CFV system may be used.
Calibration of the CFV is based upon the flow equation for a critical venturi.
A measuring critical-flow venturi tube (CFV) to measure the flow volume of the diluted exhaust gas;
A measuring critical-flow venturi tube (MV), to measure the flow volume of the diluted exhaust gas
The use of a critical-flow venturi in connection with the CVS sampling procedure is based on the principles of flow mechanics for critical flow.
Any leaks between the flow-measuring device and the critical-flow venturi will seriously affect the accuracy of the calibration.
Any leaks between the flow-measuring device and the critical-flow venturi will seriously affect the accuracy of the calibration.
Requêtes fréquentes français :1-200, -1k, -2k, -3k, -4k, -5k, -7k, -10k, -20k, -40k, -100k, -200k, -500k, -1000k,
Requêtes fréquentes anglais :1-200, -1k, -2k, -3k, -4k, -5k, -7k, -10k, -20k, -40k, -100k, -200k, -500k, -1000k,
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