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Simulating eddy current sensor outputs for blade tip timing
Advances in Mechanical Engineering, Volume: 10, Issue: 1, Start page: 168781401774802
Swansea University Authors:
Nidhal Jamia , Michael Friswell
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DOI (Published version): 10.1177/1687814017748020
Abstract
Blade tip timing is a contactless method used to monitor the vibration of blades in rotating machinery. Blade vibration and clearance are important diagnostic features for condition monitoring, including the detection of blade cracks. Eddy current sensors are a practical choice for blade tip timing...
Published in: | Advances in Mechanical Engineering |
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ISSN: | 1687-8140 1687-8140 |
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2018
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URI: | https://cronfa.swan.ac.uk/Record/cronfa38762 |
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<?xml version="1.0"?><rfc1807><datestamp>2018-04-23T11:52:30.0055134</datestamp><bib-version>v2</bib-version><id>38762</id><entry>2018-02-19</entry><title>Simulating eddy current sensor outputs for blade tip timing</title><swanseaauthors><author><sid>846b2cd3a7717b296654010df30cb22a</sid><ORCID>0000-0003-0643-7812</ORCID><firstname>Nidhal</firstname><surname>Jamia</surname><name>Nidhal Jamia</name><active>true</active><ethesisStudent>false</ethesisStudent></author><author><sid>5894777b8f9c6e64bde3568d68078d40</sid><firstname>Michael</firstname><surname>Friswell</surname><name>Michael Friswell</name><active>true</active><ethesisStudent>false</ethesisStudent></author></swanseaauthors><date>2018-02-19</date><deptcode>AERO</deptcode><abstract>Blade tip timing is a contactless method used to monitor the vibration of blades in rotating machinery. Blade vibration and clearance are important diagnostic features for condition monitoring, including the detection of blade cracks. Eddy current sensors are a practical choice for blade tip timing and have been used extensively. As the data requirements from the timing measurement become more stringent and the systems become more complicated, including the use of multiple sensors, the ability to fully understand and optimize the measurement system becomes more important. This requires detailed modeling of eddy current sensors in the blade tip timing application; the current approaches often rely on experimental trials. Existing simulations for eddy current sensors have not considered the particular case of a blade rotating past the sensor. Hence, the novel aspect of this article is the development of a detailed quasi-static finite element model of the electro-magnetic field to simulate the integrated measured output of the sensor. This model is demonstrated by simulating the effect of tip clearance, blade geometry, and blade velocity on the output of the eddy current sensor. This allows an understanding of the sources of error in the blade time of arrival estimate and hence insight into the accuracy of the blade vibration measurement.</abstract><type>Journal Article</type><journal>Advances in Mechanical Engineering</journal><volume>10</volume><journalNumber>1</journalNumber><paginationStart>168781401774802</paginationStart><publisher/><issnPrint>1687-8140</issnPrint><issnElectronic>1687-8140</issnElectronic><keywords>Eddy current sensor, blade tip timing, electro-magnetic field, quasi-static finite element model</keywords><publishedDay>31</publishedDay><publishedMonth>12</publishedMonth><publishedYear>2018</publishedYear><publishedDate>2018-12-31</publishedDate><doi>10.1177/1687814017748020</doi><url/><notes/><college>COLLEGE NANME</college><department>Aerospace Engineering</department><CollegeCode>COLLEGE CODE</CollegeCode><DepartmentCode>AERO</DepartmentCode><institution>Swansea University</institution><apcterm/><lastEdited>2018-04-23T11:52:30.0055134</lastEdited><Created>2018-02-19T09:32:14.6158900</Created><path><level id="1">Faculty of Science and Engineering</level><level id="2">School of Engineering and Applied Sciences - Uncategorised</level></path><authors><author><firstname>Nidhal</firstname><surname>Jamia</surname><orcid>0000-0003-0643-7812</orcid><order>1</order></author><author><firstname>Nidhal</firstname><surname>Jamia</surname><order>2</order></author><author><firstname>Michael</firstname><surname>Friswell</surname><order>3</order></author><author><firstname>Sami</firstname><surname>El-Borgi</surname><order>4</order></author><author><firstname>Ralston</firstname><surname>Fernandes</surname><order>5</order></author></authors><documents><document><filename>0038762-19022018093532.pdf</filename><originalFilename>jamia2018.pdf</originalFilename><uploaded>2018-02-19T09:35:32.9430000</uploaded><type>Output</type><contentLength>4246717</contentLength><contentType>application/pdf</contentType><version>Version of Record</version><cronfaStatus>true</cronfaStatus><embargoDate>2018-02-19T00:00:00.0000000</embargoDate><copyrightCorrect>true</copyrightCorrect><language>eng</language></document></documents><OutputDurs/></rfc1807> |
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2018-04-23T11:52:30.0055134 v2 38762 2018-02-19 Simulating eddy current sensor outputs for blade tip timing 846b2cd3a7717b296654010df30cb22a 0000-0003-0643-7812 Nidhal Jamia Nidhal Jamia true false 5894777b8f9c6e64bde3568d68078d40 Michael Friswell Michael Friswell true false 2018-02-19 AERO Blade tip timing is a contactless method used to monitor the vibration of blades in rotating machinery. Blade vibration and clearance are important diagnostic features for condition monitoring, including the detection of blade cracks. Eddy current sensors are a practical choice for blade tip timing and have been used extensively. As the data requirements from the timing measurement become more stringent and the systems become more complicated, including the use of multiple sensors, the ability to fully understand and optimize the measurement system becomes more important. This requires detailed modeling of eddy current sensors in the blade tip timing application; the current approaches often rely on experimental trials. Existing simulations for eddy current sensors have not considered the particular case of a blade rotating past the sensor. Hence, the novel aspect of this article is the development of a detailed quasi-static finite element model of the electro-magnetic field to simulate the integrated measured output of the sensor. This model is demonstrated by simulating the effect of tip clearance, blade geometry, and blade velocity on the output of the eddy current sensor. This allows an understanding of the sources of error in the blade time of arrival estimate and hence insight into the accuracy of the blade vibration measurement. Journal Article Advances in Mechanical Engineering 10 1 168781401774802 1687-8140 1687-8140 Eddy current sensor, blade tip timing, electro-magnetic field, quasi-static finite element model 31 12 2018 2018-12-31 10.1177/1687814017748020 COLLEGE NANME Aerospace Engineering COLLEGE CODE AERO Swansea University 2018-04-23T11:52:30.0055134 2018-02-19T09:32:14.6158900 Faculty of Science and Engineering School of Engineering and Applied Sciences - Uncategorised Nidhal Jamia 0000-0003-0643-7812 1 Nidhal Jamia 2 Michael Friswell 3 Sami El-Borgi 4 Ralston Fernandes 5 0038762-19022018093532.pdf jamia2018.pdf 2018-02-19T09:35:32.9430000 Output 4246717 application/pdf Version of Record true 2018-02-19T00:00:00.0000000 true eng |
title |
Simulating eddy current sensor outputs for blade tip timing |
spellingShingle |
Simulating eddy current sensor outputs for blade tip timing Nidhal Jamia Michael Friswell |
title_short |
Simulating eddy current sensor outputs for blade tip timing |
title_full |
Simulating eddy current sensor outputs for blade tip timing |
title_fullStr |
Simulating eddy current sensor outputs for blade tip timing |
title_full_unstemmed |
Simulating eddy current sensor outputs for blade tip timing |
title_sort |
Simulating eddy current sensor outputs for blade tip timing |
author_id_str_mv |
846b2cd3a7717b296654010df30cb22a 5894777b8f9c6e64bde3568d68078d40 |
author_id_fullname_str_mv |
846b2cd3a7717b296654010df30cb22a_***_Nidhal Jamia 5894777b8f9c6e64bde3568d68078d40_***_Michael Friswell |
author |
Nidhal Jamia Michael Friswell |
author2 |
Nidhal Jamia Nidhal Jamia Michael Friswell Sami El-Borgi Ralston Fernandes |
format |
Journal article |
container_title |
Advances in Mechanical Engineering |
container_volume |
10 |
container_issue |
1 |
container_start_page |
168781401774802 |
publishDate |
2018 |
institution |
Swansea University |
issn |
1687-8140 1687-8140 |
doi_str_mv |
10.1177/1687814017748020 |
college_str |
Faculty of Science and Engineering |
hierarchytype |
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facultyofscienceandengineering |
hierarchy_top_title |
Faculty of Science and Engineering |
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facultyofscienceandengineering |
hierarchy_parent_title |
Faculty of Science and Engineering |
department_str |
School of Engineering and Applied Sciences - Uncategorised{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Engineering and Applied Sciences - Uncategorised |
document_store_str |
1 |
active_str |
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description |
Blade tip timing is a contactless method used to monitor the vibration of blades in rotating machinery. Blade vibration and clearance are important diagnostic features for condition monitoring, including the detection of blade cracks. Eddy current sensors are a practical choice for blade tip timing and have been used extensively. As the data requirements from the timing measurement become more stringent and the systems become more complicated, including the use of multiple sensors, the ability to fully understand and optimize the measurement system becomes more important. This requires detailed modeling of eddy current sensors in the blade tip timing application; the current approaches often rely on experimental trials. Existing simulations for eddy current sensors have not considered the particular case of a blade rotating past the sensor. Hence, the novel aspect of this article is the development of a detailed quasi-static finite element model of the electro-magnetic field to simulate the integrated measured output of the sensor. This model is demonstrated by simulating the effect of tip clearance, blade geometry, and blade velocity on the output of the eddy current sensor. This allows an understanding of the sources of error in the blade time of arrival estimate and hence insight into the accuracy of the blade vibration measurement. |
published_date |
2018-12-31T03:49:08Z |
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1763752383582568448 |
score |
11.021648 |