| 摘要 |
PROBLEM TO BE SOLVED: To perform analysis with responsiveness, even when pressure fluctuates greatly, in a short time, in a sampling device for sampling sample gas via a sample probe from a gas chamber wherein pressure fluctuation is repeated with a prescribed period and the gas is analyzed. SOLUTION: This device is equipped with an adjusting channel 6, whose one end is connected to the output of the sample probe 5, whose other end is opened to the air, having a channel section larger than the sample probe 5. The device is also equipped with a suction path for sucking the sample gas, in a direction orthogonal to the adjusting channel from the adjusting channel 6 and guiding the gas to a gas analysis means by the action of a suction means. A suction position of the suction path is set on a farther downstream side Ps than a re-adhering point Pc of a jet jetting out from the sample probe into the adjusting channel, in a state where the flow rate of a sample gas flow generated following pressure fluctuation becomes a maximum flow rate. COPYRIGHT: (C)2009,JPO&INPIT
|
