Title: Pipeline fluid noise auxiliary measuring device
Application Number: 200610019620 Application Date: 2006.07.13
Publication Number: 1888832 Publication Date: 2007.01.03
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: G01H17/00
Applicant(s) Name: China Ships Warships Research Design Center Address:
Inventor(s) Name: Liang Xiangdong;Xie Hua;Sun Xiaohui;Zhou Yimei;Wan
Attorney & Agent: hu jianbeng
Abstract:
    The pipeline liquid yawp assistant measuring equipment relates to barrel sound transmission water tank. There is joining slot on its bottom, and the joining slot tallies with pipe under test and sealed connects with outside pipe wall. Hydrophone suspends in the sound transmission water tank. It can eliminate infection to measure water yawp by the pipe liquid pressure flutter and directly measure the sound signal in pipe to solve the problem to pick up water signal in the mixing liquid coming from pipe pressure flutter and water yawp signal. It is important to research the yawp of the inner liquid and rule for changing and diffusing, and the dropped yawp and concealed body of the boat. It is fit for testing pipe liquid yawp to existing and built pipe. The sound absorption layer inside the sound transmission water tank reduces the reflect effect of sound wave and keep the linearity and veracity to the measuring data.
Time: 6
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