DOSIMETRY FOR COMMISSIONING OF COBAL SOURCE EQUIPMENT IN SHANGHAI IRRADIATION CENTRE

Wu Zhili; Zai Dong; Hou Hailing; Zhu Jinxing; Chen Maoqing; Zhu Liandi; Xie Leidong; Yang Xuewu; Chen Xinwei; Liu Wenxue

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DOSIMETRY FOR COMMISSIONING OF COBAL SOURCE EQUIPMENT IN SHANGHAI IRRADIATION CENTRE

更新时间：2023-04-23

- DOSIMETRY FOR COMMISSIONING OF COBAL SOURCE EQUIPMENT IN SHANGHAI IRRADIATION CENTRE
- Journal of Radiation Research and Radiation Processing Vol. 6, Issue 3, Pages: 11-16(1988)
- 作者机构：
  
  1.中国科学院上海原子核研究所
- 作者简介：
- 基金信息：
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Wu Zhili, Zai Dong, Hou Hailing, et al. DOSIMETRY FOR COMMISSIONING OF COBAL SOURCE EQUIPMENT IN SHANGHAI IRRADIATION CENTRE. [J]. Journal of Radiation Research and Radiation Processing 6(3):11-16(1988)
DOI：

Wu Zhili, Zai Dong, Hou Hailing, et al. DOSIMETRY FOR COMMISSIONING OF COBAL SOURCE EQUIPMENT IN SHANGHAI IRRADIATION CENTRE. [J]. Journal of Radiation Research and Radiation Processing 6(3):11-16(1988) DOI：

摘要

用硫酸亚铁水溶液化学剂量计测量上海辐射中心钴源装置启用剂量。研究动态辐照条件下空载集装箱和输液器、马铃薯等二种产品集装箱的剂量分布，并给出分布图。测得空载集装箱及上述两种产品集装箱的剂量均匀度依次为1.27±0.04、1.32±0.04、1.71±0.06，并发现可用产品在箱体中堆积密度ρ（kg/m,3,）粗略地估计该值：,http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=42649032&type=,http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=42649064&type=,http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=42649049&type=,。确定传输链速度（v，m/min）与辐照产品接受的剂量,http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=42649065&type=,http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=42649067&type=,http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=42649066&type=,之间的函数关系：,http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=42649068&type=,http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=42649071&type=,http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=42649050&type=,，找到m值（Gy•m •min,-1,）与ρ大致关系的经验表达式：,http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=42649072&type=,http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=42649053&type=,http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=42649073&type=,。测量辐照场1/8空间剂量率分布，并给出其二维分布图。

Abstract

This paper studies the dosimetry for commissioning of a cobalt source equipment in Shanghai Irradiation Centre using the aqueous ferrous sulphate dosimetry. In the condition of the movement irradiation the dose distribution in the container, at which three boxes of the irradiation product are consolidated, was described, and two-dimensional map of dose distribution was given. The dose uniformity ratio measured for the containers equals 1.27±0.04 in the air, 1.32±0.04 in the transfusion pouches, 1.71±0.06 in the potatoes, respectively, and it has been discovered that these values can be estimated roughly by the bulk density of product in the boxes, ρ (kg/m,3,) :,http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=42649076&type=,http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=42649057&type=,http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=42649055&type=,The calibration function of equipment, i. e. the relationship between the reciprocal of the conveyor speed and the dose values of ,http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=42649083&type=,http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=42649085&type=,http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=42649084&type=,http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=42649086&type=,http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=42649088&type=,http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=42649087&type=, was determined, and it has been found that the values of m can be represented as follows,http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=42649089&type=,http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=42649091&type=,http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=42649090&type=,where ρ denotes bulk density of product in the boxes (kg/m,3,). The dose rate in the irradiation field of 1/8 was measured, and two-dimensional map of dose rate distribution are shown.

关键词

硫酸亚铁剂量计剂量分布剂量均匀度

Keywords

Ferrous sulphate dosimeterDose distributionDose uniformity ratio

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