{"id":"https://openalex.org/W2801437243","doi":null,"title":"Flow and pressure measurements in low-head hydraulic turbines","display_name":"Flow and pressure measurements in low-head hydraulic turbines","publication_year":2011,"publication_date":"2011-01-01","ids":{"openalex":"https://openalex.org/W2801437243","mag":"2801437243"},"language":"en","primary_location":{"id":"pmh:oai:DiVA.org:ltu-17382","doi":null,"is_oa":true,"landing_page_url":"http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-17382","pdf_url":null,"source":{"id":"https://openalex.org/S4306400653","display_name":"Diva portal (Dalarna University Library)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"info:eu-repo/semantics/doctoralThesis"},"volume":null,"type":"dissertation","is_traditional":true,"indexed_in":[],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-17382","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5114033950","display_name":"Pontus P. Jonsson","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Pontus Jonsson","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":["https://openalex.org/A5114033950"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":9,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11202","display_name":"Cavitation Phenomena in Pumps","score":0.9711999893188477,"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"}},"topics":[{"id":"https://openalex.org/T11202","display_name":"Cavitation Phenomena in Pumps","score":0.9711999893188477,"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/T10944","display_name":"Turbomachinery Performance and Optimization","score":0.01979999989271164,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace 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/T12022","display_name":"Hydraulic flow and structures","score":0.003800000064074993,"subfield":{"id":"https://openalex.org/subfields/2205","display_name":"Civil and Structural 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/kaplan-turbine","display_name":"Kaplan turbine","score":0.9879999756813049},{"id":"https://openalex.org/keywords/draft-tube-flow","display_name":"draft tube flow","score":0.9359999895095825},{"id":"https://openalex.org/keywords/time-resolved-pressure-measurement","display_name":"time-resolved pressure measurement","score":0.9010000228881836},{"id":"https://openalex.org/keywords/flow-rate-measurement","display_name":"flow rate measurement","score":0.8830000162124634},{"id":"https://openalex.org/keywords/unsteady-friction","display_name":"unsteady friction","score":0.6869999766349792},{"id":"https://openalex.org/keywords/turbine-refurbishment","display_name":"turbine refurbishment","score":0.6629999876022339},{"id":"https://openalex.org/keywords/efficiency-tests","display_name":"efficiency tests","score":0.5929999947547913},{"id":"https://openalex.org/keywords/scale-up","display_name":"scale-up","score":0.5090000033378601},{"id":"https://openalex.org/keywords/cfd-validation","display_name":"CFD validation","score":0.5910000205039978},{"id":"https://openalex.org/keywords/part-load-operation","display_name":"off-design operation","score":0.42100000381469727}],"concepts":[{"id":"https://openalex.org/C40675005","wikidata":"https://www.wikidata.org/wiki/Q170196","display_name":"Hydropower","level":2,"score":0.7351878881454468},{"id":"https://openalex.org/C2780312720","wikidata":"https://www.wikidata.org/wiki/Q5689100","display_name":"Head (geology)","level":2,"score":0.6357206106185913},{"id":"https://openalex.org/C38349280","wikidata":"https://www.wikidata.org/wiki/Q1434290","display_name":"Flow (mathematics)","level":2,"score":0.4920155704021454},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.4323781728744507},{"id":"https://openalex.org/C159851900","wikidata":"https://www.wikidata.org/wiki/Q369743","display_name":"Hydraulic head","level":2,"score":0.4318801760673523},{"id":"https://openalex.org/C206345919","wikidata":"https://www.wikidata.org/wiki/Q20380951","display_name":"Resource (disambiguation)","level":2,"score":0.4122579097747803},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.37637463212013245},{"id":"https://openalex.org/C175605778","wikidata":"https://www.wikidata.org/wiki/Q3299701","display_name":"Natural resource economics","level":1,"score":0.34191590547561646},{"id":"https://openalex.org/C199104240","wikidata":"https://www.wikidata.org/wiki/Q118291","display_name":"Marine engineering","level":1,"score":0.3407006561756134},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.2493603229522705},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.19694504141807556},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.19689542055130005},{"id":"https://openalex.org/C187320778","wikidata":"https://www.wikidata.org/wiki/Q1349130","display_name":"Geotechnical engineering","level":1,"score":0.1545882523059845},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.15024980902671814},{"id":"https://openalex.org/C57879066","wikidata":"https://www.wikidata.org/wiki/Q41217","display_name":"Mechanics","level":1,"score":0.1366111934185028},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.0},{"id":"https://openalex.org/C114793014","wikidata":"https://www.wikidata.org/wiki/Q52109","display_name":"Geomorphology","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"pmh:oai:DiVA.org:ltu-17382","doi":null,"is_oa":true,"landing_page_url":"http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-17382","pdf_url":null,"source":{"id":"https://openalex.org/S4306400653","display_name":"Diva portal (Dalarna University Library)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"info:eu-repo/semantics/doctoralThesis"},{"id":"mag:2801437243","doi":null,"is_oa":false,"landing_page_url":"http://www.diva-portal.org/smash/record.jsf?pid=diva2:990387","pdf_url":null,"source":null,"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":null}],"best_oa_location":{"id":"pmh:oai:DiVA.org:ltu-17382","doi":null,"is_oa":true,"landing_page_url":"http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-17382","pdf_url":null,"source":{"id":"https://openalex.org/S4306400653","display_name":"Diva portal (Dalarna University Library)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"info:eu-repo/semantics/doctoralThesis"},"sustainable_development_goals":[{"score":0.875,"id":"https://metadata.un.org/sdg/7","display_name":"Affordable and clean energy"},{"score":0.4943999946117401,"id":"https://metadata.un.org/sdg/9","display_name":"Industry, innovation and infrastructure"}],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W2063218486","https://openalex.org/W7018979470","https://openalex.org/W2796291468","https://openalex.org/W4300542552","https://openalex.org/W141604469","https://openalex.org/W2020536478","https://openalex.org/W7046249268","https://openalex.org/W4379231801","https://openalex.org/W4405202658","https://openalex.org/W3004288736"],"abstract_inverted_index":{"Hydropower":[0],"is":[1,119,126,142,181,221,229,233,284],"a":[2,32,73,81,89,160],"clean":[3],"and":[4,12,113,153,198,232,255,289,333,358],"sustainable":[5],"energy":[6],"resource":[7],"that":[8,243],"has":[9,85,240],"been":[10,24,86],"developed":[11,326],"used":[13,187],"since":[14],"the":[15,27,35,42,78,93,97,101,103,157,170,209,274,278,293,296,317,328,343,347,352,355,359],"late":[16],"19th":[17],"century.":[18],"In":[19,292],"Sweden,":[20],"power":[21],"plants":[22,44],"have":[23,55],"constructed":[25],"over":[26],"entire":[28],"20th":[29],"century,":[30],"with":[31,88,128,286,339],"peak":[33],"in":[34,46,80,132,277,299,305,312,335,346],"period":[36],"of":[37,41,48,70,77,99,159,175,225,331,354],"1950-1970.":[38],"Currently,":[39],"many":[40,176],"older":[43,62],"are":[45,138,165,303,310],"need":[47],"refurbishment.":[49],"A":[50,172,322],"modern":[51],"hydropower":[52],"turbine":[53,83,141],"can":[54,66,204],"efficiency":[56,151,163,179],"up":[57],"to":[58,168,211,223,247,249,263,315],"95%.":[59],"By":[60],"upgrading":[61],"turbines,":[63,251],"substantial":[64],"gain":[65],"be":[67],"achieved.As":[68],"part":[69,148],"this":[71,191],"thesis,":[72],"detailed":[74],"experimental":[75,290],"investigation":[76,125,283,338],"flow":[79,136,182],"Kaplan":[82],"model":[84,357],"performed":[87,127,235,285],"main":[90],"focus":[91],"on":[92,236,269],"draft":[94],"tube.":[95],"Besides":[96],"goal":[98],"describing":[100],"flow,":[102],"result":[104],"will":[105],"serve":[106],"as":[107,194,253,349,351],"validation":[108,353],"data":[109],"for":[110,114,121,190,215,267,337],"CFD":[111],"simulations":[112],"scale-up":[115],"studies":[116],"(corresponding":[117],"prototype":[118],"available":[120],"similar":[122],"measurements).":[123],"The":[124,140,282],"time-resolved":[129],"pressure":[130],"measurements":[131],"which":[133],"different":[134,146],"periodic":[135],"phenomena":[137],"captured.":[139],"investigated":[143],"at":[144,327],"three":[145],"loads:":[147],"load,":[149],"best":[150],"point":[152],"near":[154],"full":[155],"load.During":[156],"refurbishment":[158],"turbine,":[161],"site":[162],"tests":[164,180],"common":[166,222],"practice":[167],"verify":[169],"improvements.":[171],"key":[173],"feature":[174],"methods":[177,188,203],"regarding":[178],"rate":[183],"measurements.":[184],"Several":[185],"commonly":[186],"exist":[189],"task,":[192],"such":[193,252],"current":[195],"meter,":[196],"Gibson's":[197,227,265,313,340],"ultrasonic":[199],"(acoustic)":[200],"methods.":[201,291],"These":[202],"provide":[205],"trustworthy":[206],"results,":[207],"but":[208],"difficulty":[210],"obtain":[212],"satisfactory":[213],"accuracy":[214,318],"low-head":[216,250,270],"machines,":[217,271],"below":[218],"50":[219],"m,":[220],"most":[224],"them.":[226],"method":[228,266,314,341],"rather":[230],"economical":[231],"easily":[234],"site.":[237],"However,":[238],"it":[239,245],"some":[241],"limitations":[242],"make":[244],"difficult":[246],"apply":[248],"short":[254],"non-uniform":[256],"water":[257],"passages.":[258],"This":[259],"thesis":[260],"also":[261],"aims":[262],"extend":[264],"use":[268],"i.e.,":[272],"outside":[273,342],"criteria":[275,344],"stated":[276,345],"IEC":[279],"41":[280],"standard.":[281],"both":[287],"numerical":[288,294,356],"investigation,":[295],"physical":[297],"quantities":[298],"rapidly":[300],"decelerated":[301],"flows":[302],"studied":[304],"detail.":[306],"Unsteady":[307],"friction":[308],"terms":[309],"implemented":[311],"enhance":[316],"under":[319],"non-preferred":[320],"conditions.":[321],"test":[323],"rig":[324],"was":[325],"Norwegian":[329],"University":[330],"Science":[332],"Technology":[334],"Norway":[336],"standard,":[348],"well":[350],"updated":[360],"Gibson":[361],"method.":[362]},"counts_by_year":[{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":1},{"year":2017,"cited_by_count":2},{"year":2016,"cited_by_count":2},{"year":2015,"cited_by_count":1},{"year":2012,"cited_by_count":2}],"updated_date":"2026-11-06T12:05:46.655746","created_date":"2018-05-17T00:00:00"}
