Sound velocity nozzle gas flow standard device's novel stationary flow structure

• Main Authors: FENG LIANGFENG, XIE XIAOFANG, WAN YONG, LU JIAMIN, CHEN YIXIANG, WANG LONG
• Format: Patent
• Language: Chinese; English
• Published: 26.10.2018
• Subjects: MEASURING; MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUIDLEVEL; METERING BY VOLUME; PHYSICS; TESTING

The utility model provides a sound velocity nozzle gas flow standard device's novel stationary flow structure for nozzle parts is connected with the sound velocity, its characterized in that: including cellular combination straight tube, the straight tube that admits air, be used for with admit air straight tube and sound velocity nozzle parts hold in the palm hold and the elongated slot of centering, by school flowmeter and ooff valve, the inlet end of straight tube of admitting air is connected with cellular combination straight tube, and the end of giving vent to anger of the straight tubethat admits air is connected in proper order with by school flowmeter, ooff valve and sound velocity nozzle parts, cellular combination straight tube is arranged by a plurality of cellular straight tubes and is connected to form, the elongated slot is connected with admit air straight tube and sound velocity nozzle parts's bottom respectively. The utility model discloses can reduce fluid speed inorder to realize gaseous s