{"id":"https://openalex.org/W2293471586","doi":"https://doi.org/10.1109/embc.2015.7319096","title":"Bearing gap adjustment for improvement of levitation performance in a hydrodynamically levitated centrifugal blood pump","display_name":"Bearing gap adjustment for improvement of levitation performance in a hydrodynamically levitated centrifugal blood pump","publication_year":2015,"publication_date":"2015-08-01","ids":{"openalex":"https://openalex.org/W2293471586","doi":"https://doi.org/10.1109/embc.2015.7319096","mag":"2293471586","pmid":"https://pubmed.ncbi.nlm.nih.gov/26736996"},"language":"en","primary_location":{"id":"doi:10.1109/embc.2015.7319096","is_oa":false,"landing_page_url":"https://doi.org/10.1109/embc.2015.7319096","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2015 37th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC)","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref","pubmed"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5091100295","display_name":"Ryo Kosaka","orcid":"https://orcid.org/0000-0002-4658-6196"},"institutions":[{"id":"https://openalex.org/I73613424","display_name":"National Institute of Advanced Industrial Science and Technology","ror":"https://ror.org/01703db54","country_code":"JP","type":"government","lineage":["https://openalex.org/I73613424"]}],"countries":["JP"],"is_corresponding":true,"raw_author_name":"Ryo Kosaka","raw_affiliation_strings":["National Institute of Advanced Industrial Science and Technology (AIST), 1-2-1 Namiki, Tsukuba, Ibaraki, 305-8564, Japan","National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, Ibaraki, Japan"],"affiliations":[{"raw_affiliation_string":"National Institute of Advanced Industrial Science and Technology (AIST), 1-2-1 Namiki, Tsukuba, Ibaraki, 305-8564, Japan","institution_ids":["https://openalex.org/I73613424"]},{"raw_affiliation_string":"National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, Ibaraki, Japan","institution_ids":["https://openalex.org/I73613424"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5057599701","display_name":"Fumihiko YOSHIDA","orcid":null},"institutions":[{"id":"https://openalex.org/I161296585","display_name":"Tokyo University of Science","ror":"https://ror.org/05sj3n476","country_code":"JP","type":"education","lineage":["https://openalex.org/I161296585"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Fumihiko Yoshida","raw_affiliation_strings":["Tokyo University of Science, 2641 Yamazaki, Noda, Chiba, 278-8510, Japan","Tokyo University of Science, Chiba, Japan"],"affiliations":[{"raw_affiliation_string":"Tokyo University of Science, 2641 Yamazaki, Noda, Chiba, 278-8510, Japan","institution_ids":["https://openalex.org/I161296585"]},{"raw_affiliation_string":"Tokyo University of Science, Chiba, Japan","institution_ids":["https://openalex.org/I161296585"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5077204708","display_name":"Masahiro NISHIDA","orcid":"https://orcid.org/0000-0001-8075-2269"},"institutions":[{"id":"https://openalex.org/I73613424","display_name":"National Institute of Advanced Industrial Science and Technology","ror":"https://ror.org/01703db54","country_code":"JP","type":"government","lineage":["https://openalex.org/I73613424"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Masahiro Nishida","raw_affiliation_strings":["National Institute of Advanced Industrial Science and Technology (AIST), 1-2-1 Namiki, Tsukuba, Ibaraki, 305-8564, Japan","National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, Ibaraki, Japan"],"affiliations":[{"raw_affiliation_string":"National Institute of Advanced Industrial Science and Technology (AIST), 1-2-1 Namiki, Tsukuba, Ibaraki, 305-8564, Japan","institution_ids":["https://openalex.org/I73613424"]},{"raw_affiliation_string":"National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, Ibaraki, Japan","institution_ids":["https://openalex.org/I73613424"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5050566183","display_name":"Osamu Maruyama","orcid":"https://orcid.org/0000-0003-2484-5334"},"institutions":[{"id":"https://openalex.org/I73613424","display_name":"National Institute of Advanced Industrial Science and Technology","ror":"https://ror.org/01703db54","country_code":"JP","type":"government","lineage":["https://openalex.org/I73613424"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Osamu Maruyama","raw_affiliation_strings":["National Institute of Advanced Industrial Science and Technology (AIST), 1-2-1 Namiki, Tsukuba, Ibaraki, 305-8564, Japan","National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, Ibaraki, Japan"],"affiliations":[{"raw_affiliation_string":"National Institute of Advanced Industrial Science and Technology (AIST), 1-2-1 Namiki, Tsukuba, Ibaraki, 305-8564, Japan","institution_ids":["https://openalex.org/I73613424"]},{"raw_affiliation_string":"National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, Ibaraki, Japan","institution_ids":["https://openalex.org/I73613424"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5004827664","display_name":"Yasuo Kawaguchi","orcid":"https://orcid.org/0000-0002-7483-8362"},"institutions":[{"id":"https://openalex.org/I161296585","display_name":"Tokyo University of Science","ror":"https://ror.org/05sj3n476","country_code":"JP","type":"education","lineage":["https://openalex.org/I161296585"]},{"id":"https://openalex.org/I73613424","display_name":"National Institute of Advanced Industrial Science and Technology","ror":"https://ror.org/01703db54","country_code":"JP","type":"government","lineage":["https://openalex.org/I73613424"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Yasuo Kawaguchi","raw_affiliation_strings":["National Institute of Advanced Industrial Science and Technology (AIST), 1-2-1 Namiki, Tsukuba, Ibaraki, 305-8564, Japan","Tokyo University of Science, Chiba, Japan"],"affiliations":[{"raw_affiliation_string":"National Institute of Advanced Industrial Science and Technology (AIST), 1-2-1 Namiki, Tsukuba, Ibaraki, 305-8564, Japan","institution_ids":["https://openalex.org/I73613424"]},{"raw_affiliation_string":"Tokyo University of Science, Chiba, Japan","institution_ids":["https://openalex.org/I161296585"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5101450913","display_name":"Takashi Yamane","orcid":"https://orcid.org/0000-0001-5053-5933"},"institutions":[{"id":"https://openalex.org/I65837984","display_name":"Kobe University","ror":"https://ror.org/03tgsfw79","country_code":"JP","type":"education","lineage":["https://openalex.org/I65837984"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Takashi Yamane","raw_affiliation_strings":["Graduate School of Engineering, Kobe University, 1-1 Rokkodai, Nada, Hyogo, 657-8501, Japan","Graduate School of Engineering, Kobe University, Hyogo, Japan"],"affiliations":[{"raw_affiliation_string":"Graduate School of Engineering, Kobe University, 1-1 Rokkodai, Nada, Hyogo, 657-8501, Japan","institution_ids":["https://openalex.org/I65837984"]},{"raw_affiliation_string":"Graduate School of Engineering, Kobe University, Hyogo, Japan","institution_ids":["https://openalex.org/I65837984"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5091100295"],"corresponding_institution_ids":["https://openalex.org/I73613424"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":3,"citation_normalized_percentile":{"value":0.13865672,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":96},"biblio":{"volume":"2015","issue":null,"first_page":"3295","last_page":"3298"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10675","display_name":"Mechanical Circulatory Support Devices","score":0.9998000264167786,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10675","display_name":"Mechanical Circulatory Support Devices","score":0.9998000264167786,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11372","display_name":"Hydraulic and Pneumatic Systems","score":0.9962000250816345,"subfield":{"id":"https://openalex.org/subfields/2210","display_name":"Mechanical Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11529","display_name":"Refrigeration and Air Conditioning Technologies","score":0.993399977684021,"subfield":{"id":"https://openalex.org/subfields/2210","display_name":"Mechanical Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/levitation","display_name":"Levitation","score":0.863326370716095},{"id":"https://openalex.org/keywords/bearing","display_name":"Bearing (navigation)","score":0.6648999452590942},{"id":"https://openalex.org/keywords/magnetic-levitation","display_name":"Magnetic levitation","score":0.6198994517326355},{"id":"https://openalex.org/keywords/centrifugal-pump","display_name":"Centrifugal pump","score":0.509695291519165},{"id":"https://openalex.org/keywords/mechanical-engineering","display_name":"Mechanical engineering","score":0.502657413482666},{"id":"https://openalex.org/keywords/centrifugal-force","display_name":"Centrifugal force","score":0.4820764660835266},{"id":"https://openalex.org/keywords/materials-science","display_name":"Materials science","score":0.4096965193748474},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.3932170867919922},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.29773709177970886},{"id":"https://openalex.org/keywords/rotational-speed","display_name":"Rotational speed","score":0.17220598459243774},{"id":"https://openalex.org/keywords/magnet","display_name":"Magnet","score":0.06493690609931946}],"concepts":[{"id":"https://openalex.org/C27838914","wikidata":"https://www.wikidata.org/wiki/Q740997","display_name":"Levitation","level":3,"score":0.863326370716095},{"id":"https://openalex.org/C199978012","wikidata":"https://www.wikidata.org/wiki/Q1273815","display_name":"Bearing (navigation)","level":2,"score":0.6648999452590942},{"id":"https://openalex.org/C206736587","wikidata":"https://www.wikidata.org/wiki/Q1061251","display_name":"Magnetic levitation","level":3,"score":0.6198994517326355},{"id":"https://openalex.org/C166675230","wikidata":"https://www.wikidata.org/wiki/Q627111","display_name":"Centrifugal pump","level":3,"score":0.509695291519165},{"id":"https://openalex.org/C78519656","wikidata":"https://www.wikidata.org/wiki/Q101333","display_name":"Mechanical engineering","level":1,"score":0.502657413482666},{"id":"https://openalex.org/C50735335","wikidata":"https://www.wikidata.org/wiki/Q178733","display_name":"Centrifugal force","level":3,"score":0.4820764660835266},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.4096965193748474},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.3932170867919922},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.29773709177970886},{"id":"https://openalex.org/C81063470","wikidata":"https://www.wikidata.org/wiki/Q1256787","display_name":"Rotational speed","level":2,"score":0.17220598459243774},{"id":"https://openalex.org/C16389437","wikidata":"https://www.wikidata.org/wiki/Q11421","display_name":"Magnet","level":2,"score":0.06493690609931946},{"id":"https://openalex.org/C153005164","wikidata":"https://www.wikidata.org/wiki/Q1698700","display_name":"Impeller","level":2,"score":0.0},{"id":"https://openalex.org/C1276947","wikidata":"https://www.wikidata.org/wiki/Q333","display_name":"Astronomy","level":1,"score":0.0}],"mesh":[{"descriptor_ui":"D000818","descriptor_name":"Animals","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000818","descriptor_name":"Animals","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000818","descriptor_name":"Animals","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D001769","descriptor_name":"Blood","qualifier_ui":"Q000378","qualifier_name":"metabolism","is_major_topic":false},{"descriptor_ui":"D001769","descriptor_name":"Blood","qualifier_ui":"Q000378","qualifier_name":"metabolism","is_major_topic":false},{"descriptor_ui":"D001769","descriptor_name":"Blood","qualifier_ui":"Q000378","qualifier_name":"metabolism","is_major_topic":false},{"descriptor_ui":"D002417","descriptor_name":"Cattle","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D002417","descriptor_name":"Cattle","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D002417","descriptor_name":"Cattle","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D002498","descriptor_name":"Centrifugation","qualifier_ui":"Q000295","qualifier_name":"instrumentation","is_major_topic":false},{"descriptor_ui":"D002498","descriptor_name":"Centrifugation","qualifier_ui":"Q000295","qualifier_name":"instrumentation","is_major_topic":false},{"descriptor_ui":"D002498","descriptor_name":"Centrifugation","qualifier_ui":"Q000295","qualifier_name":"instrumentation","is_major_topic":false},{"descriptor_ui":"D006461","descriptor_name":"Hemolysis","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006461","descriptor_name":"Hemolysis","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006461","descriptor_name":"Hemolysis","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008962","descriptor_name":"Models, Theoretical","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008962","descriptor_name":"Models, Theoretical","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008962","descriptor_name":"Models, Theoretical","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D009716","descriptor_name":"Numerical Analysis, Computer-Assisted","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D009716","descriptor_name":"Numerical Analysis, Computer-Assisted","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D009716","descriptor_name":"Numerical Analysis, Computer-Assisted","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D057446","descriptor_name":"Hydrodynamics","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D057446","descriptor_name":"Hydrodynamics","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D057446","descriptor_name":"Hydrodynamics","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true}],"locations_count":2,"locations":[{"id":"doi:10.1109/embc.2015.7319096","is_oa":false,"landing_page_url":"https://doi.org/10.1109/embc.2015.7319096","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2015 37th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC)","raw_type":"proceedings-article"},{"id":"pmid:26736996","is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/26736996","pdf_url":null,"source":{"id":"https://openalex.org/S4306525036","display_name":"PubMed","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual International Conference","raw_type":null}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":3,"referenced_works":["https://openalex.org/W17005298","https://openalex.org/W1933194225","https://openalex.org/W2121955446"],"related_works":["https://openalex.org/W2041773681","https://openalex.org/W2138863771","https://openalex.org/W2060464503","https://openalex.org/W2129058507","https://openalex.org/W2921649108","https://openalex.org/W585609564","https://openalex.org/W2166310978","https://openalex.org/W4306824842","https://openalex.org/W2531483689","https://openalex.org/W2042385273"],"abstract_inverted_index":{"The":[0,35,229],"purpose":[1],"of":[2,15,57,65,70,125,154,161,169,187,264,292],"the":[3,52,58,62,66,68,74,80,84,111,115,126,130,135,140,149,155,162,166,170,188,210,237,244,248,251,267,279,284,288],"present":[4],"study":[5],"is":[6],"to":[7,25,158,182,243,262,295],"investigate":[8],"a":[9,19,27,31,41,45,122,184,191,297,301],"bearing":[10,112,116,164,171,194,214,231,239,268,280],"gap":[11,113,117,172,269,281],"adjustment":[12],"for":[13,109,290],"improvement":[14,291],"levitation":[16,63,293],"performance":[17,294],"in":[18,241,256],"hydrodynamically":[20],"levitated":[21],"centrifugal":[22],"blood":[23,28,298],"pump":[24,29,299],"realize":[26,296],"with":[30,236,300],"low":[32,302],"hemolysis":[33,178,185,252,254,303],"level.":[34,304],"impeller":[36,75,289],"levitates":[37],"axially":[38],"by":[39,78,120,282],"balancing":[40,123],"gravitational":[42,136],"force,":[43,47,137,142],"buoyancy,":[44],"magnetic":[46,141],"and":[48,54,104,139,143,151,205,225],"hydrodynamic":[49,146],"forces":[50,72,128,147],"on":[51,73,83,129,148,247,287],"top":[53,150],"bottom":[55,85,152,193,213],"sides":[56,153],"impeller.":[59,86,131,156,249],"To":[60],"adjust":[61,278],"position":[64,124],"impeller,":[67],"balance":[69],"acting":[71,127],"was":[76,118,173,180,259,270],"adjusted":[77,271],"changing":[79,283],"shroud":[81,91,245,285],"area":[82,92,246,286],"Three":[87],"pumps":[88],"having":[89],"various":[90],"were":[93,196,216],"prepared":[94],"as":[95,198,218],"tested":[96],"models:":[97],"817":[98],"mm(2)":[99,102,106],"(HH-S),":[100,201,221],"875":[101],"(HH-M)":[103,204],"931":[105],"(HH-L).":[107,208,228],"First,":[108],"evaluating":[110],"adjustment,":[114],"estimated":[119,163,197,230],"calculating":[121],"We":[132,276],"actually":[133],"measured":[134,217,238],"buoyancy":[138],"numerically":[144],"analyzed":[145],"Second,":[157],"verify":[159],"accuracy":[160],"gap,":[165],"measurement":[167,211],"test":[168,179],"performed.":[174],"Finally,":[175],"an":[176],"in-vitro":[177],"performed":[181],"evaluate":[183],"level":[186,255],"pump.":[189],"As":[190],"result,":[192],"gaps":[195,215,232,240],"40":[199],"\u03bcm":[200,203,207,220,223,227],"60":[202,274],"238":[206],"In":[209,250],"test,":[212,253],"63":[219],"219":[222],"(HH-M),":[224],"231":[226],"had":[233],"positively":[234],"correlated":[235],"relation":[242],"every":[257],"model":[258],"almost":[260],"equivalent":[261],"that":[263],"BPX-80,":[265],"when":[266],"greater":[272],"than":[273],"\u03bcm.":[275],"could":[277]},"counts_by_year":[{"year":2025,"cited_by_count":2},{"year":2021,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}