高压脉冲电场共场杀菌处理室性能仿真与试验
为获得最优的共场杀菌处理室结构和性能,该文以不同结构共场杀菌处理室为研究对象,利用COMSOL Multiphysics软件对共场杀菌处理室内的电场强度分布、流料特性以及温度分布情况进行了仿真,得到了不同结构共场杀菌处理室的耦合场特性。试验结果表明,在40kV/cm电场强度下,椭圆形内嵌共场杀菌处理室所接种梨汁中的大肠杆菌菌体浓度下降6.5个数量级,优于其他结构的共场杀菌处理室;椭圆形内嵌共场杀菌处理室处理的接种大肠杆菌梨汁的温升仅为6.7℃,小于其他结构的共场杀菌处理室。因此椭圆形内嵌共场杀菌处理室优秀的耦合场特性更适用于性能要求更高的中试规模及工业化PEF杀菌系统。...
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| Published in | 农业工程学报 Vol. 28; no. 19; pp. 39 - 47 |
|---|---|
| Main Author | |
| Format | Journal Article |
| Language | Chinese |
| Published |
江南大学机械工程学院,无锡,214122%食品科学与技术国家重点实验室,无锡,214122
2012
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| Subjects | |
| Online Access | Get full text |
| ISSN | 1002-6819 |
| DOI | 10.3969/j.issn.1002-6819.2012.19.006 |
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| Abstract | 为获得最优的共场杀菌处理室结构和性能,该文以不同结构共场杀菌处理室为研究对象,利用COMSOL Multiphysics软件对共场杀菌处理室内的电场强度分布、流料特性以及温度分布情况进行了仿真,得到了不同结构共场杀菌处理室的耦合场特性。试验结果表明,在40kV/cm电场强度下,椭圆形内嵌共场杀菌处理室所接种梨汁中的大肠杆菌菌体浓度下降6.5个数量级,优于其他结构的共场杀菌处理室;椭圆形内嵌共场杀菌处理室处理的接种大肠杆菌梨汁的温升仅为6.7℃,小于其他结构的共场杀菌处理室。因此椭圆形内嵌共场杀菌处理室优秀的耦合场特性更适用于性能要求更高的中试规模及工业化PEF杀菌系统。 |
|---|---|
| AbstractList | 为获得最优的共场杀菌处理室结构和性能,该文以不同结构共场杀菌处理室为研究对象,利用COMSOL Multiphysics软件对共场杀菌处理室内的电场强度分布、流料特性以及温度分布情况进行了仿真,得到了不同结构共场杀菌处理室的耦合场特性。试验结果表明,在40kV/cm电场强度下,椭圆形内嵌共场杀菌处理室所接种梨汁中的大肠杆菌菌体浓度下降6.5个数量级,优于其他结构的共场杀菌处理室;椭圆形内嵌共场杀菌处理室处理的接种大肠杆菌梨汁的温升仅为6.7℃,小于其他结构的共场杀菌处理室。因此椭圆形内嵌共场杀菌处理室优秀的耦合场特性更适用于性能要求更高的中试规模及工业化PEF杀菌系统。 TS203; 为获得最优的共场杀菌处理室结构和性能,该文以不同结构共场杀菌处理室为研究对象,利用COMSOL Multiphysics软件对共场杀菌处理室内的电场强度分布、流料特性以及温度分布情况进行了仿真,得到了不同结构共场杀菌处理室的耦合场特性.试验结果表明,在40 kV/cm电场强度下,椭圆形内嵌共场杀菌处理室所接种梨汁中的大肠杆菌菌体浓度下降6.5个数量级,优于其他结构的共场杀菌处理室；椭圆形内嵌共场杀菌处理室处理的接种大肠杆菌梨汁的温升仅为6.7℃,小于其他结构的共场杀菌处理室.因此椭圆形内嵌共场杀菌处理室优秀的耦合场特性更适用于性能要求更高的中试规模及工业化PEF杀菌系统. |
| Author | 金伟 平雪良 吉祥 杨瑞金 赵伟 |
| AuthorAffiliation | 江南大学机械工程学院,无锡214122 食品科学与技术国家重点实验室,无锡214122 |
| AuthorAffiliation_xml | – name: 江南大学机械工程学院,无锡,214122%食品科学与技术国家重点实验室,无锡,214122 |
| Author_FL | Ping Xueliang Ji Xiang Zhao Wei Yang Ruijin Jin Wei |
| Author_FL_xml | – sequence: 1 fullname: Jin Wei – sequence: 2 fullname: Ping Xueliang – sequence: 3 fullname: Ji Xiang – sequence: 4 fullname: Yang Ruijin – sequence: 5 fullname: Zhao Wei |
| Author_xml | – sequence: 1 fullname: 金伟 平雪良 吉祥 杨瑞金 赵伟 |
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| Copyright | Copyright © Wanfang Data Co. Ltd. All Rights Reserved. |
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| DOI | 10.3969/j.issn.1002-6819.2012.19.006 |
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| Discipline | Agriculture |
| DocumentTitleAlternate | Performance simulation and experiment of pulsed electric field co-field sterilization treatment chambers |
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| EndPage | 47 |
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| Issue | 19 |
| Keywords | 杀菌 共场杀菌处理室 电场强度 温度分布 高压脉冲电场 试验 |
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| Notes | Jin Wei1, Ping Xueliang1※, Ji Xiang1, Yang Ruijin2, Zhao Wei2 （1. School of Mechanical Engineering, Jiangnan University, Wuxi 214122, China; 2. State Key Laboratory of Food Science and Technology, Wuxi 214122, China） 11-2047/S pulsed electric field； sterilization； experiments； co-field sterilization treatment chamber； electric field strength； temperature distribution In order to obtain the best performance and structure of co-field sterilization treatment chamber, co-field sterilization treatment chamber with different structures were researched in this paper. The coupled-field characteristics of co-field sterilization treatment chamber with different structures were gained by utilizing COMSOL Multiphysics software to analysis the electric field strength distribution, flow characteristics and temperature distribution. The experiment results showed that E. coli inoculated in pear juice which was treated by elliptical embedded co-field sterilization treatment chamber reduced by 6.5 in logarithm at electric field s |
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| PublicationTitle | 农业工程学报 |
| PublicationTitleAlternate | Transactions of the Chinese Society of Agricultural Engineering |
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| PublicationYear | 2012 |
| Publisher | 江南大学机械工程学院,无锡,214122%食品科学与技术国家重点实验室,无锡,214122 |
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| Snippet | 为获得最优的共场杀菌处理室结构和性能,该文以不同结构共场杀菌处理室为研究对象,利用COMSOL Multiphysics软件对共场杀菌处理室内的电场强度分布、流料特性以及温度分布情... TS203; 为获得最优的共场杀菌处理室结构和性能,该文以不同结构共场杀菌处理室为研究对象,利用COMSOL Multiphysics软件对共场杀菌处理室内的电场强度分布、流料特性以及温度... |
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| SubjectTerms | 共场杀菌处理室 杀菌 温度分布 电场强度 试验 高压脉冲电场 |
| Title | 高压脉冲电场共场杀菌处理室性能仿真与试验 |
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