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The Experiential Model of Quasi-dynamic Calibration on Copper Balls Based on Drop Hammer Dynamic Calibration System(PDF)

《南京理工大学学报》(自然科学版)[ISSN:1005-9830/CN:32-1397/N]

Issue:
2001年05期
Page:
475-479
Research Field:
Publishing date:

Info

Title:
The Experiential Model of Quasi-dynamic Calibration on Copper Balls Based on Drop Hammer Dynamic Calibration System
Author(s):
KongDeren LiYongxin ZhuMingwu
School of Mechanics,NUST,Nanjing 210094
Keywords:
drop hammers dimension analysis aggression analysis models copper balls quas-i dynamic calibrat ion
PACS:
TH137
DOI:
-
Abstract:
The means of accomplishing quas-i dynamic calibrat ion by drop hammer dynamic calibrat ion system is described. With the data acquired from quas-i dynamic calibrat ion on copper balls, the ex perientail model is made by dimension analyis and regression analysis. This means avoids the dif ficulty that the accurate physical data of hydraulic pressure are scarcely high pressure and the physical signif icance of the acquired equation is ex plicit . T he equat ion can be used to forecast the peak v alue and pulse-w idth of the pressure pulse. According to the comparison between the calculat ional result s of quas-i dy namic calibrat ion on copper balls of different types and pract ical measuring value, the reliability and utility is testified.

References:

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Memo

Memo:
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Last Update: 2013-03-25