Side Weld and Bend Method of Manufacturing Compliant Plate Seals
Compliant plate seals are being developed for various turbomachinery sealing applications including gas turbines, steam turbines, aircraft engines, and oil and gas compressors. These seals consist of compliant plates attached to a stator in a circumferential fashion around a rotor. The compliant pla...
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Veröffentlicht in: | Journal of engineering for gas turbines and power 2014-02, Vol.136 (2), p.np-np |
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creator | Adis, William E Mack, Michael Deo, Hrishikesh V |
description | Compliant plate seals are being developed for various turbomachinery sealing applications including gas turbines, steam turbines, aircraft engines, and oil and gas compressors. These seals consist of compliant plates attached to a stator in a circumferential fashion around a rotor. The compliant plates have a slot that extends radially inward from the seal outer diameter and an intermediate plate extends inward into this slot from the stator. This design is capable of providing passive hydrostatic feedback forces acting on the compliant plates that balance at a small tip clearance. Due to this self-correcting behavior, this seal is capable of providing high differential pressure capability and low leakage within a limited axial span, and robust noncontact operation even in the presence of large rotor transients. Manufacturing of compliant plate seals is a challenging problem and in this paper we describe the development of a novel manufacturing technique called side weld and bend (SWAB). The compliant plates are tightly packed with alternating spacer shims in a straight line fixture and welded to a top plate from the side along a straight line. After removal of the spacer shims, the welded assembly is bent to form an arcuate seal of a desired diameter. The side weld and bend (SWAB) manufacturing method reduces distortion, deformity, differential shrinkage, and other associated problems with welding across gaps between adjacent compliant plate seals as is typical in current manufacturing processes. |
doi_str_mv | 10.1115/1.4025358 |
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These seals consist of compliant plates attached to a stator in a circumferential fashion around a rotor. The compliant plates have a slot that extends radially inward from the seal outer diameter and an intermediate plate extends inward into this slot from the stator. This design is capable of providing passive hydrostatic feedback forces acting on the compliant plates that balance at a small tip clearance. Due to this self-correcting behavior, this seal is capable of providing high differential pressure capability and low leakage within a limited axial span, and robust noncontact operation even in the presence of large rotor transients. Manufacturing of compliant plate seals is a challenging problem and in this paper we describe the development of a novel manufacturing technique called side weld and bend (SWAB). The compliant plates are tightly packed with alternating spacer shims in a straight line fixture and welded to a top plate from the side along a straight line. After removal of the spacer shims, the welded assembly is bent to form an arcuate seal of a desired diameter. The side weld and bend (SWAB) manufacturing method reduces distortion, deformity, differential shrinkage, and other associated problems with welding across gaps between adjacent compliant plate seals as is typical in current manufacturing processes.</description><identifier>ISSN: 0742-4795</identifier><identifier>EISSN: 1528-8919</identifier><identifier>DOI: 10.1115/1.4025358</identifier><identifier>CODEN: JETPEZ</identifier><language>eng</language><publisher>New York, Ny: ASME</publisher><subject>Applied sciences ; Energy ; Energy. Thermal use of fuels ; Engines and turbines ; Equipments for energy generation and conversion: thermal, electrical, mechanical energy, etc ; Exact sciences and technology ; Gas turbines ; Gas Turbines: Manufacturing, Materials, and Metallurgy ; Rotors ; Seals ; Spacers ; Stator ; Stators ; Straight lines ; Wedges ; Welded joints</subject><ispartof>Journal of engineering for gas turbines and power, 2014-02, Vol.136 (2), p.np-np</ispartof><rights>2015 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-a345t-3bc85201d7c60cad388b0c92e9ecc8eaa99e5aeda5380a4572989448b903c0523</citedby><cites>FETCH-LOGICAL-a345t-3bc85201d7c60cad388b0c92e9ecc8eaa99e5aeda5380a4572989448b903c0523</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27901,27902,38497</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=28524692$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Adis, William E</creatorcontrib><creatorcontrib>Mack, Michael</creatorcontrib><creatorcontrib>Deo, Hrishikesh V</creatorcontrib><title>Side Weld and Bend Method of Manufacturing Compliant Plate Seals</title><title>Journal of engineering for gas turbines and power</title><addtitle>J. Eng. Gas Turbines Power</addtitle><description>Compliant plate seals are being developed for various turbomachinery sealing applications including gas turbines, steam turbines, aircraft engines, and oil and gas compressors. These seals consist of compliant plates attached to a stator in a circumferential fashion around a rotor. The compliant plates have a slot that extends radially inward from the seal outer diameter and an intermediate plate extends inward into this slot from the stator. This design is capable of providing passive hydrostatic feedback forces acting on the compliant plates that balance at a small tip clearance. Due to this self-correcting behavior, this seal is capable of providing high differential pressure capability and low leakage within a limited axial span, and robust noncontact operation even in the presence of large rotor transients. Manufacturing of compliant plate seals is a challenging problem and in this paper we describe the development of a novel manufacturing technique called side weld and bend (SWAB). The compliant plates are tightly packed with alternating spacer shims in a straight line fixture and welded to a top plate from the side along a straight line. After removal of the spacer shims, the welded assembly is bent to form an arcuate seal of a desired diameter. The side weld and bend (SWAB) manufacturing method reduces distortion, deformity, differential shrinkage, and other associated problems with welding across gaps between adjacent compliant plate seals as is typical in current manufacturing processes.</description><subject>Applied sciences</subject><subject>Energy</subject><subject>Energy. Thermal use of fuels</subject><subject>Engines and turbines</subject><subject>Equipments for energy generation and conversion: thermal, electrical, mechanical energy, etc</subject><subject>Exact sciences and technology</subject><subject>Gas turbines</subject><subject>Gas Turbines: Manufacturing, Materials, and Metallurgy</subject><subject>Rotors</subject><subject>Seals</subject><subject>Spacers</subject><subject>Stator</subject><subject>Stators</subject><subject>Straight lines</subject><subject>Wedges</subject><subject>Welded joints</subject><issn>0742-4795</issn><issn>1528-8919</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2014</creationdate><recordtype>article</recordtype><recordid>eNqFkDtPw0AQhE8IJEKgoKZxgwSF4fYe9l0HRLykRCAFRHnanNfgyLHDnV3w73GUiJZmp_lmNDuMnQK_AgB9DVeKCy212WMj0MKkxoLdZyOeK5Gq3OpDdhTjknOQUuUjdjOvCko-qC4SbIrkjoYzo-6rLZK2TGbY9CX6rg9V85lM2tW6rrDpktcaO0rmhHU8ZgflIHSy0zF7f7h_mzyl05fH58ntNEWpdJfKhTdacChyn3GPhTRmwb0VZMl7Q4jWkkYqUEvDUelcWGOVMgvLpedayDG72OauQ_vdU-zcqoqe6hobavvoINOgQCqA_9GhiNVZbjfo5Rb1oY0xUOnWoVph-HHA3WZQB2436MCe72IxeqzLgI2v4p9BDP-pzG6anm05jCtyy7YPzTCMk7nUPJO_7lt7DQ</recordid><startdate>20140201</startdate><enddate>20140201</enddate><creator>Adis, William E</creator><creator>Mack, Michael</creator><creator>Deo, Hrishikesh V</creator><general>ASME</general><general>American Society of Mechanical Engineers</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>F1W</scope><scope>H96</scope><scope>L.G</scope><scope>7SU</scope><scope>7TB</scope><scope>8BQ</scope><scope>8FD</scope><scope>C1K</scope><scope>F28</scope><scope>FR3</scope><scope>H8D</scope><scope>JG9</scope><scope>L7M</scope></search><sort><creationdate>20140201</creationdate><title>Side Weld and Bend Method of Manufacturing Compliant Plate Seals</title><author>Adis, William E ; Mack, Michael ; Deo, Hrishikesh V</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a345t-3bc85201d7c60cad388b0c92e9ecc8eaa99e5aeda5380a4572989448b903c0523</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2014</creationdate><topic>Applied sciences</topic><topic>Energy</topic><topic>Energy. Thermal use of fuels</topic><topic>Engines and turbines</topic><topic>Equipments for energy generation and conversion: thermal, electrical, mechanical energy, etc</topic><topic>Exact sciences and technology</topic><topic>Gas turbines</topic><topic>Gas Turbines: Manufacturing, Materials, and Metallurgy</topic><topic>Rotors</topic><topic>Seals</topic><topic>Spacers</topic><topic>Stator</topic><topic>Stators</topic><topic>Straight lines</topic><topic>Wedges</topic><topic>Welded joints</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Adis, William E</creatorcontrib><creatorcontrib>Mack, Michael</creatorcontrib><creatorcontrib>Deo, Hrishikesh V</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 2: Ocean Technology, Policy & Non-Living Resources</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><collection>Environmental Engineering Abstracts</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ANTE: Abstracts in New Technology & Engineering</collection><collection>Engineering Research Database</collection><collection>Aerospace Database</collection><collection>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Journal of engineering for gas turbines and power</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Adis, William E</au><au>Mack, Michael</au><au>Deo, Hrishikesh V</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Side Weld and Bend Method of Manufacturing Compliant Plate Seals</atitle><jtitle>Journal of engineering for gas turbines and power</jtitle><stitle>J. Eng. Gas Turbines Power</stitle><date>2014-02-01</date><risdate>2014</risdate><volume>136</volume><issue>2</issue><spage>np</spage><epage>np</epage><pages>np-np</pages><issn>0742-4795</issn><eissn>1528-8919</eissn><coden>JETPEZ</coden><abstract>Compliant plate seals are being developed for various turbomachinery sealing applications including gas turbines, steam turbines, aircraft engines, and oil and gas compressors. These seals consist of compliant plates attached to a stator in a circumferential fashion around a rotor. The compliant plates have a slot that extends radially inward from the seal outer diameter and an intermediate plate extends inward into this slot from the stator. This design is capable of providing passive hydrostatic feedback forces acting on the compliant plates that balance at a small tip clearance. Due to this self-correcting behavior, this seal is capable of providing high differential pressure capability and low leakage within a limited axial span, and robust noncontact operation even in the presence of large rotor transients. Manufacturing of compliant plate seals is a challenging problem and in this paper we describe the development of a novel manufacturing technique called side weld and bend (SWAB). The compliant plates are tightly packed with alternating spacer shims in a straight line fixture and welded to a top plate from the side along a straight line. After removal of the spacer shims, the welded assembly is bent to form an arcuate seal of a desired diameter. The side weld and bend (SWAB) manufacturing method reduces distortion, deformity, differential shrinkage, and other associated problems with welding across gaps between adjacent compliant plate seals as is typical in current manufacturing processes.</abstract><cop>New York, Ny</cop><pub>ASME</pub><doi>10.1115/1.4025358</doi></addata></record> |
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source | ASME_美国机械工程师学会现刊; Alma/SFX Local Collection |
subjects | Applied sciences Energy Energy. Thermal use of fuels Engines and turbines Equipments for energy generation and conversion: thermal, electrical, mechanical energy, etc Exact sciences and technology Gas turbines Gas Turbines: Manufacturing, Materials, and Metallurgy Rotors Seals Spacers Stator Stators Straight lines Wedges Welded joints |
title | Side Weld and Bend Method of Manufacturing Compliant Plate Seals |
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