Fibre Optic Sensors for Long-Term Monitoring of Oil Film Pressure in Diesel Engine Main Bearing
The oil film pressure is one of the key parameters in journal bearings influencing the performance of the bearings. A fibre optic sensor was developed for online determination of actual oil film pressure under load without disturbing the actual tribological contact. Four optical sensors were integra...
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| Veröffentlicht in: | Tribology letters 2014-10, Vol.56 (1), p.47-54 |
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| creator | Kapulainen, Markku Ronkainen, Helena Hokkanen, Ari Stuns, Ingmar Varjus, Simo Nyyssönen, Sami Turunen, Raimo Halme, Jari |
| description | The oil film pressure is one of the key parameters in journal bearings influencing the performance of the bearings. A fibre optic sensor was developed for online determination of actual oil film pressure under load without disturbing the actual tribological contact. Four optical sensors were integrated in a hydrodynamic journal bearing of a Wärtsilä Vasa 4R32 LN E medium-speed diesel engine with four cylinders, maximum power of 1,640 kW and rotating speed on 750 rpm. Online engine tests were carried out with different loads to study the sensor operation in real operating conditions. The engine tests were repeated six times over 4 years of operation reaching up to thousand hours of the engine use. The results showed differences in bearing pressure depending on the position of the sensor and on the operating cycle of the cylinders. The pressure peaks of all four cylinder work cycles could be identified in the measured pressure curves, and the pressure variations within the pressure curves fit well to the diesel engine’s work cycle and mass forces. The sensors had good repeatability over the whole test period. |
| doi_str_mv | 10.1007/s11249-014-0373-5 |
| format | Article |
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A fibre optic sensor was developed for online determination of actual oil film pressure under load without disturbing the actual tribological contact. Four optical sensors were integrated in a hydrodynamic journal bearing of a Wärtsilä Vasa 4R32 LN E medium-speed diesel engine with four cylinders, maximum power of 1,640 kW and rotating speed on 750 rpm. Online engine tests were carried out with different loads to study the sensor operation in real operating conditions. The engine tests were repeated six times over 4 years of operation reaching up to thousand hours of the engine use. The results showed differences in bearing pressure depending on the position of the sensor and on the operating cycle of the cylinders. The pressure peaks of all four cylinder work cycles could be identified in the measured pressure curves, and the pressure variations within the pressure curves fit well to the diesel engine’s work cycle and mass forces. The sensors had good repeatability over the whole test period.</description><identifier>ISSN: 1023-8883</identifier><identifier>EISSN: 1573-2711</identifier><identifier>DOI: 10.1007/s11249-014-0373-5</identifier><language>eng</language><publisher>Boston: Springer US</publisher><subject>Chemistry and Materials Science ; Contact pressure ; Corrosion and Coatings ; Diesel engines ; Engine cylinders ; Engine tests ; Journal bearings ; Maintenance management ; Materials Science ; Maximum power ; Nanotechnology ; Optical measuring instruments ; Original Paper ; Physical Chemistry ; Position sensing ; Rotating cylinders ; Sensors ; Surfaces and Interfaces ; Theoretical and Applied Mechanics ; Thin Films ; Tribology</subject><ispartof>Tribology letters, 2014-10, Vol.56 (1), p.47-54</ispartof><rights>Springer Science+Business Media New York 2014</rights><rights>Tribology Letters is a copyright of Springer, (2014). All Rights Reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c386t-760c5a580f9963951a0119796a33b2d90c95acbdc5e74ceb1aa8253810ab82463</citedby><cites>FETCH-LOGICAL-c386t-760c5a580f9963951a0119796a33b2d90c95acbdc5e74ceb1aa8253810ab82463</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s11249-014-0373-5$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s11249-014-0373-5$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,776,780,27901,27902,41464,42533,51294</link.rule.ids></links><search><creatorcontrib>Kapulainen, Markku</creatorcontrib><creatorcontrib>Ronkainen, Helena</creatorcontrib><creatorcontrib>Hokkanen, Ari</creatorcontrib><creatorcontrib>Stuns, Ingmar</creatorcontrib><creatorcontrib>Varjus, Simo</creatorcontrib><creatorcontrib>Nyyssönen, Sami</creatorcontrib><creatorcontrib>Turunen, Raimo</creatorcontrib><creatorcontrib>Halme, Jari</creatorcontrib><title>Fibre Optic Sensors for Long-Term Monitoring of Oil Film Pressure in Diesel Engine Main Bearing</title><title>Tribology letters</title><addtitle>Tribol Lett</addtitle><description>The oil film pressure is one of the key parameters in journal bearings influencing the performance of the bearings. A fibre optic sensor was developed for online determination of actual oil film pressure under load without disturbing the actual tribological contact. Four optical sensors were integrated in a hydrodynamic journal bearing of a Wärtsilä Vasa 4R32 LN E medium-speed diesel engine with four cylinders, maximum power of 1,640 kW and rotating speed on 750 rpm. Online engine tests were carried out with different loads to study the sensor operation in real operating conditions. The engine tests were repeated six times over 4 years of operation reaching up to thousand hours of the engine use. The results showed differences in bearing pressure depending on the position of the sensor and on the operating cycle of the cylinders. The pressure peaks of all four cylinder work cycles could be identified in the measured pressure curves, and the pressure variations within the pressure curves fit well to the diesel engine’s work cycle and mass forces. The sensors had good repeatability over the whole test period.</description><subject>Chemistry and Materials Science</subject><subject>Contact pressure</subject><subject>Corrosion and Coatings</subject><subject>Diesel engines</subject><subject>Engine cylinders</subject><subject>Engine tests</subject><subject>Journal bearings</subject><subject>Maintenance management</subject><subject>Materials Science</subject><subject>Maximum power</subject><subject>Nanotechnology</subject><subject>Optical measuring instruments</subject><subject>Original Paper</subject><subject>Physical Chemistry</subject><subject>Position sensing</subject><subject>Rotating cylinders</subject><subject>Sensors</subject><subject>Surfaces and Interfaces</subject><subject>Theoretical and Applied Mechanics</subject><subject>Thin Films</subject><subject>Tribology</subject><issn>1023-8883</issn><issn>1573-2711</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2014</creationdate><recordtype>article</recordtype><sourceid>BENPR</sourceid><recordid>eNp1kEFLAzEQhYMoWKs_wFvAczSTbHazR62tCi0VrOeQTbMlZZusSXvw35tlBU-e5jG87w3zELoFeg-UVg8JgBU1oVAQyitOxBmagMiCVQDnWVPGiZSSX6KrlPaUZkqKCVIL10SL1_3RGfxhfQox4TZEvAx-RzY2HvAqeHcM0fkdDi1euw4vXHfA79GmdMqs8_jZ2WQ7PPc75y1e6bx6snpArtFFq7tkb37nFH0u5pvZK1muX95mj0tiuCyPpCqpEVpI2tZ1yWsBmgLUVV1qzhu2ramphTbN1ghbFcY2oLVkgkugupGsKPkU3Y25fQxfJ5uOah9O0eeTijEJnEnJWHbB6DIxpBRtq_roDjp-K6Bq6FGNParcoxp6VCIzbGRSPzxk41_y_9APnqhzrg</recordid><startdate>20141001</startdate><enddate>20141001</enddate><creator>Kapulainen, Markku</creator><creator>Ronkainen, Helena</creator><creator>Hokkanen, Ari</creator><creator>Stuns, Ingmar</creator><creator>Varjus, Simo</creator><creator>Nyyssönen, Sami</creator><creator>Turunen, Raimo</creator><creator>Halme, Jari</creator><general>Springer US</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>8FE</scope><scope>8FG</scope><scope>ABJCF</scope><scope>AFKRA</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>CCPQU</scope><scope>D1I</scope><scope>DWQXO</scope><scope>HCIFZ</scope><scope>KB.</scope><scope>L6V</scope><scope>M7S</scope><scope>PDBOC</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>PTHSS</scope></search><sort><creationdate>20141001</creationdate><title>Fibre Optic Sensors for Long-Term Monitoring of Oil Film Pressure in Diesel Engine Main Bearing</title><author>Kapulainen, Markku ; Ronkainen, Helena ; Hokkanen, Ari ; Stuns, Ingmar ; Varjus, Simo ; Nyyssönen, Sami ; Turunen, Raimo ; Halme, Jari</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c386t-760c5a580f9963951a0119796a33b2d90c95acbdc5e74ceb1aa8253810ab82463</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2014</creationdate><topic>Chemistry and Materials Science</topic><topic>Contact pressure</topic><topic>Corrosion and Coatings</topic><topic>Diesel engines</topic><topic>Engine cylinders</topic><topic>Engine tests</topic><topic>Journal bearings</topic><topic>Maintenance management</topic><topic>Materials Science</topic><topic>Maximum power</topic><topic>Nanotechnology</topic><topic>Optical measuring instruments</topic><topic>Original Paper</topic><topic>Physical Chemistry</topic><topic>Position sensing</topic><topic>Rotating cylinders</topic><topic>Sensors</topic><topic>Surfaces and Interfaces</topic><topic>Theoretical and Applied Mechanics</topic><topic>Thin Films</topic><topic>Tribology</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Kapulainen, Markku</creatorcontrib><creatorcontrib>Ronkainen, Helena</creatorcontrib><creatorcontrib>Hokkanen, Ari</creatorcontrib><creatorcontrib>Stuns, Ingmar</creatorcontrib><creatorcontrib>Varjus, Simo</creatorcontrib><creatorcontrib>Nyyssönen, Sami</creatorcontrib><creatorcontrib>Turunen, Raimo</creatorcontrib><creatorcontrib>Halme, Jari</creatorcontrib><collection>CrossRef</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>Materials Science & Engineering Collection</collection><collection>ProQuest Central UK/Ireland</collection><collection>ProQuest Central</collection><collection>Technology Collection</collection><collection>ProQuest One Community College</collection><collection>ProQuest Materials Science Collection</collection><collection>ProQuest Central Korea</collection><collection>SciTech Premium Collection</collection><collection>Materials Science Database</collection><collection>ProQuest Engineering Collection</collection><collection>Engineering Database</collection><collection>Materials Science Collection</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central China</collection><collection>Engineering Collection</collection><jtitle>Tribology letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Kapulainen, Markku</au><au>Ronkainen, Helena</au><au>Hokkanen, Ari</au><au>Stuns, Ingmar</au><au>Varjus, Simo</au><au>Nyyssönen, Sami</au><au>Turunen, Raimo</au><au>Halme, Jari</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Fibre Optic Sensors for Long-Term Monitoring of Oil Film Pressure in Diesel Engine Main Bearing</atitle><jtitle>Tribology letters</jtitle><stitle>Tribol Lett</stitle><date>2014-10-01</date><risdate>2014</risdate><volume>56</volume><issue>1</issue><spage>47</spage><epage>54</epage><pages>47-54</pages><issn>1023-8883</issn><eissn>1573-2711</eissn><abstract>The oil film pressure is one of the key parameters in journal bearings influencing the performance of the bearings. A fibre optic sensor was developed for online determination of actual oil film pressure under load without disturbing the actual tribological contact. Four optical sensors were integrated in a hydrodynamic journal bearing of a Wärtsilä Vasa 4R32 LN E medium-speed diesel engine with four cylinders, maximum power of 1,640 kW and rotating speed on 750 rpm. Online engine tests were carried out with different loads to study the sensor operation in real operating conditions. The engine tests were repeated six times over 4 years of operation reaching up to thousand hours of the engine use. The results showed differences in bearing pressure depending on the position of the sensor and on the operating cycle of the cylinders. The pressure peaks of all four cylinder work cycles could be identified in the measured pressure curves, and the pressure variations within the pressure curves fit well to the diesel engine’s work cycle and mass forces. The sensors had good repeatability over the whole test period.</abstract><cop>Boston</cop><pub>Springer US</pub><doi>10.1007/s11249-014-0373-5</doi><tpages>8</tpages></addata></record> |
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| subjects | Chemistry and Materials Science Contact pressure Corrosion and Coatings Diesel engines Engine cylinders Engine tests Journal bearings Maintenance management Materials Science Maximum power Nanotechnology Optical measuring instruments Original Paper Physical Chemistry Position sensing Rotating cylinders Sensors Surfaces and Interfaces Theoretical and Applied Mechanics Thin Films Tribology |
| title | Fibre Optic Sensors for Long-Term Monitoring of Oil Film Pressure in Diesel Engine Main Bearing |
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