MC simulation for measuring grease stain thickness in pipelines using scattering method

SHI Feiyue1 YANG Huiling2 MA Jiayi1 ZHAO Jingwu1 ABULIEMU·Aierken3 YANG Kunjie3 ZHAO Nongxiao3 LIU Shengkang1 1

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MC simulation for measuring grease stain thickness in pipelines using scattering method

更新时间：2021-03-12

- MC simulation for measuring grease stain thickness in pipelines using scattering method
- NUCLEAR TECHNIQUES Vol. 32, Issue 5, (2009)
- 作者机构：
  
  1. 南京大学物理学系
  2. 新疆师范大学数理信息学院
  3. 新疆大学物理科学与技术学院
- 作者简介：
- 基金信息：
  
  国家自然科学基金(10565003)资助
- DOI：
  CLC： TE832
- Published：01 May 2009
- 稿件说明：
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[1]时飞跃,杨惠玲,马加一,赵经武,阿不列木·艾尔肯,杨坤杰,赵农校,刘圣康.散射法测量管道油垢厚度的进一步研究[J].核技术,2009,32(05):347-350.

SHI Feiyue1 YANG Huiling2 MA Jiayi1 ZHAO Jingwu1 ABULIEMU·Aierken3 YANG Kunjie3 ZHAO Nongxiao3 LIU Shengkang1 1. MC simulation for measuring grease stain thickness in pipelines using scattering method[J]. Nuclear techniques, 2009, 32(5): 347-350.
[1]时飞跃,杨惠玲,马加一,赵经武,阿不列木·艾尔肯,杨坤杰,赵农校,刘圣康.散射法测量管道油垢厚度的进一步研究[J].核技术,2009,32(05):347-350. DOI：

SHI Feiyue1 YANG Huiling2 MA Jiayi1 ZHAO Jingwu1 ABULIEMU·Aierken3 YANG Kunjie3 ZHAO Nongxiao3 LIU Shengkang1 1. MC simulation for measuring grease stain thickness in pipelines using scattering method[J]. Nuclear techniques, 2009, 32(5): 347-350. DOI：

摘要

用Monte-Carlo方法模拟计算了有、无保温层时输油管道不同油垢厚度d的散射γ射线计数

建立了计数与油垢厚度的响应关系。结果表明

计数随d增加而增长

呈指数曲线形状;通过增大源管距t或增大源距h

可探测的最大油垢厚度dM会增加;有保温层时的dM值小于无保温层时的值。此方法能实现对输油管道油垢厚度的无损检测。

Abstract

For designing a nondestructive detection system to measure grease stain thickness in pipelines by using γ-ray scattering method

Monte-Carlo simulations were carried out for a pipeline with and without thermal insulation layer(TIL).Response curves of the scattered γ-ray counts from the grease stain thicknesses(d) were obtained

under different source-pipe distances(t) and source-detector distances(h).It was found that the count varied with d in exponential curves.The maximum detectable thickness of the grease stain(dM) became larger with increasing t or h

and the dM with TIL was smaller than that without TIL.The results are of help for performing nondestructive measurement of the grease stain thickness in pipelines.

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