Once a leak has been located, the appliance is switched to the leakage rate measurement mode, in which only the capillary line (21) with the smaller cross section is open.
leakage rate, cubic centimetres of air or nitrogen per hour.
Further, leakage rate data obtained from the measurement can be quantized and compared with a valve under the same conditions to check the leakage rate in an easy and quick manner.
A leakage rate from within the cap to outside the cap is determined by measuring the leakage rate into the test volume.
In addition, fluid leakage can be accurately measured even in the event the fluid leakage rate of the valve or pipe is relatively high.
A leak is indicated (327) if a difference between the reference vapor flow variable and the pressurized vapor and leak flow variable is greater than a predetermined leak flow factor.
vacuum-decay leak rate [mol/s]
The flow rate of compressed air needed to maintain this pressurization level is indicative of the leak rate.
reverse flow through sealing clearance
The detecting apparatus (22) generates a second signal indicative of the leak rate.
Said sealing element is provided with a leak collecting means, and a sensor arranged on the leak collecting means measures the level of the quantity of liquid leaked.
This leakage volume flow must not exceed a maximum of 0.003 % of the nominal volume flow.
Such leakage flows may be balanced such that there is substantially-zero net leakage flow with respect to each control slot.
A test port leads to the test volume.
Said leakage flow is then collected and drained without passing through the cooling circuit (36, 38).
Thus provided is a high performance turbine which the leakage flow rate is reduced.
The method of the invention can be used for quantifying a leak flow rate that can even be a very small one.
It shall be verified that the vacuum-decay leak flow rate is less than 0,5 per cent of the system's normal in-use flow rate as follows
In the case of hemorrhagic strokes, the systems and methods are effective in determining if there is a leak and what is the rate of leaking.
The rate of leakage of the enclosure (4) is assessed by measuring the speed of the air flow in the fan (10).
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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