TALASASTA PLOČA ZA SMANJENJE BAZNOG OTPORA
TALASASTA PLOČA ZA SMANJENJE BAZNOG OTPORA. Pronalazak se odnosi na talasastu ploču za poboljšanje aerodinamičkih osobina vozila. Telo (200) koje se može kretati u smeru strujanja kroz neki fluid ima glatku površinu koja se pruža u pravcu strujanja, označenu sa (202) koja se završava kod tupe krajnj...
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| creator | WERLE, M.J PRESZ, W.M PATERSON, R.W |
| description | TALASASTA PLOČA ZA SMANJENJE BAZNOG OTPORA. Pronalazak se odnosi na talasastu ploču za poboljšanje aerodinamičkih osobina vozila. Telo (200) koje se može kretati u smeru strujanja kroz neki fluid ima glatku površinu koja se pruža u pravcu strujanja, označenu sa (202) koja se završava kod tupe krajnje površine (206). Poprečno na glatku površinu (202) i ispred tupe krajnje površine (206) postavljena je tanka ploča (210), koja se pruža u pravcu strujanja, a postavljena je na malom rastojanju od glatke površine (202). Najmanje je deo kod zadnjeg kraja ploče (210) talasast tako da je njen zadnji kraj (216) izveden u vidu talasa. Talasi su projektovani da obrazuju parove vrtloga (230, 234; 228, 238), koji se obrću u susednim smerovima, a koji odlažu odvajanje graničnog sloja od glatke površine (202) i čine da fluid struji u prostor neposredno iza tupe krajnje površine (206), čime se smanjuje bazni otpor tela (200). Naprava stvara veoma mali sopstveni otpor.
A body (200) adapted to move downstream through a fluid has a downstream extending smooth surface (202) terminating at a blunt base (206). Extending transversely across the smooth surface (202) and disposed upstream of the blunt base (206) is a thin, downstream extending plate (210) closely spaced from the smooth surface (202). At least the downstream end portion of the plate (210) is convoluted such that its downstream end (216) is wave shaped. The convolutions are designed to generate pairs of counterrotating vortices (230,234;228,238) which delay boundary layer separation from the smooth surface (202) and cause fluid to flow into the space immediately behind the blunt base (206), reducing base drag on the body (200). The device generates very little drag of its own. |
| format | Patent |
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A body (200) adapted to move downstream through a fluid has a downstream extending smooth surface (202) terminating at a blunt base (206). Extending transversely across the smooth surface (202) and disposed upstream of the blunt base (206) is a thin, downstream extending plate (210) closely spaced from the smooth surface (202). At least the downstream end portion of the plate (210) is convoluted such that its downstream end (216) is wave shaped. The convolutions are designed to generate pairs of counterrotating vortices (230,234;228,238) which delay boundary layer separation from the smooth surface (202) and cause fluid to flow into the space immediately behind the blunt base (206), reducing base drag on the body (200). The device generates very little drag of its own.</description><language>eng</language><subject>AEROPLANES ; AIRCRAFT ; AMMUNITION ; AVIATION ; BLASTING ; COSMONAUTICS ; EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION ; HEATING ; HELICOPTERS ; LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS ; LIGHTING ; MECHANICAL ENGINEERING ; MOTOR VEHICLES ; PERFORMING OPERATIONS ; TRAILERS ; TRANSPORTING ; WEAPONS</subject><creationdate>1992</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19920907&DB=EPODOC&CC=YU&NR=115288A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76289</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19920907&DB=EPODOC&CC=YU&NR=115288A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>WERLE, M.J</creatorcontrib><creatorcontrib>PRESZ, W.M</creatorcontrib><creatorcontrib>PATERSON, R.W</creatorcontrib><title>TALASASTA PLOČA ZA SMANJENJE BAZNOG OTPORA</title><description>TALASASTA PLOČA ZA SMANJENJE BAZNOG OTPORA. Pronalazak se odnosi na talasastu ploču za poboljšanje aerodinamičkih osobina vozila. Telo (200) koje se može kretati u smeru strujanja kroz neki fluid ima glatku površinu koja se pruža u pravcu strujanja, označenu sa (202) koja se završava kod tupe krajnje površine (206). Poprečno na glatku površinu (202) i ispred tupe krajnje površine (206) postavljena je tanka ploča (210), koja se pruža u pravcu strujanja, a postavljena je na malom rastojanju od glatke površine (202). Najmanje je deo kod zadnjeg kraja ploče (210) talasast tako da je njen zadnji kraj (216) izveden u vidu talasa. Talasi su projektovani da obrazuju parove vrtloga (230, 234; 228, 238), koji se obrću u susednim smerovima, a koji odlažu odvajanje graničnog sloja od glatke površine (202) i čine da fluid struji u prostor neposredno iza tupe krajnje površine (206), čime se smanjuje bazni otpor tela (200). Naprava stvara veoma mali sopstveni otpor.
A body (200) adapted to move downstream through a fluid has a downstream extending smooth surface (202) terminating at a blunt base (206). Extending transversely across the smooth surface (202) and disposed upstream of the blunt base (206) is a thin, downstream extending plate (210) closely spaced from the smooth surface (202). At least the downstream end portion of the plate (210) is convoluted such that its downstream end (216) is wave shaped. The convolutions are designed to generate pairs of counterrotating vortices (230,234;228,238) which delay boundary layer separation from the smooth surface (202) and cause fluid to flow into the space immediately behind the blunt base (206), reducing base drag on the body (200). The device generates very little drag of its own.</description><subject>AEROPLANES</subject><subject>AIRCRAFT</subject><subject>AMMUNITION</subject><subject>AVIATION</subject><subject>BLASTING</subject><subject>COSMONAUTICS</subject><subject>EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION</subject><subject>HEATING</subject><subject>HELICOPTERS</subject><subject>LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS</subject><subject>LIGHTING</subject><subject>MECHANICAL ENGINEERING</subject><subject>MOTOR VEHICLES</subject><subject>PERFORMING OPERATIONS</subject><subject>TRAILERS</subject><subject>TRANSPORTING</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1992</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZNAOcfRxDHYMDnFUCPDxP9LjqBDlqBDs6-jn5QpECk6OUX7-7gr-IQH-QY48DKxpiTnFqbxQmptBzs01xNlDN7UgPz61uCAxOTUvtSQ-MtTQ0NTIwsLRmKACAPXWJJ4</recordid><startdate>19920907</startdate><enddate>19920907</enddate><creator>WERLE, M.J</creator><creator>PRESZ, W.M</creator><creator>PATERSON, R.W</creator><scope>EVB</scope></search><sort><creationdate>19920907</creationdate><title>TALASASTA PLOČA ZA SMANJENJE BAZNOG OTPORA</title><author>WERLE, M.J ; PRESZ, W.M ; PATERSON, R.W</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_YU115288A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>1992</creationdate><topic>AEROPLANES</topic><topic>AIRCRAFT</topic><topic>AMMUNITION</topic><topic>AVIATION</topic><topic>BLASTING</topic><topic>COSMONAUTICS</topic><topic>EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION</topic><topic>HEATING</topic><topic>HELICOPTERS</topic><topic>LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS</topic><topic>LIGHTING</topic><topic>MECHANICAL ENGINEERING</topic><topic>MOTOR VEHICLES</topic><topic>PERFORMING OPERATIONS</topic><topic>TRAILERS</topic><topic>TRANSPORTING</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>WERLE, M.J</creatorcontrib><creatorcontrib>PRESZ, W.M</creatorcontrib><creatorcontrib>PATERSON, R.W</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>WERLE, M.J</au><au>PRESZ, W.M</au><au>PATERSON, R.W</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>TALASASTA PLOČA ZA SMANJENJE BAZNOG OTPORA</title><date>1992-09-07</date><risdate>1992</risdate><abstract>TALASASTA PLOČA ZA SMANJENJE BAZNOG OTPORA. Pronalazak se odnosi na talasastu ploču za poboljšanje aerodinamičkih osobina vozila. Telo (200) koje se može kretati u smeru strujanja kroz neki fluid ima glatku površinu koja se pruža u pravcu strujanja, označenu sa (202) koja se završava kod tupe krajnje površine (206). Poprečno na glatku površinu (202) i ispred tupe krajnje površine (206) postavljena je tanka ploča (210), koja se pruža u pravcu strujanja, a postavljena je na malom rastojanju od glatke površine (202). Najmanje je deo kod zadnjeg kraja ploče (210) talasast tako da je njen zadnji kraj (216) izveden u vidu talasa. Talasi su projektovani da obrazuju parove vrtloga (230, 234; 228, 238), koji se obrću u susednim smerovima, a koji odlažu odvajanje graničnog sloja od glatke površine (202) i čine da fluid struji u prostor neposredno iza tupe krajnje površine (206), čime se smanjuje bazni otpor tela (200). Naprava stvara veoma mali sopstveni otpor.
A body (200) adapted to move downstream through a fluid has a downstream extending smooth surface (202) terminating at a blunt base (206). Extending transversely across the smooth surface (202) and disposed upstream of the blunt base (206) is a thin, downstream extending plate (210) closely spaced from the smooth surface (202). At least the downstream end portion of the plate (210) is convoluted such that its downstream end (216) is wave shaped. The convolutions are designed to generate pairs of counterrotating vortices (230,234;228,238) which delay boundary layer separation from the smooth surface (202) and cause fluid to flow into the space immediately behind the blunt base (206), reducing base drag on the body (200). The device generates very little drag of its own.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | AEROPLANES AIRCRAFT AMMUNITION AVIATION BLASTING COSMONAUTICS EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION HEATING HELICOPTERS LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS LIGHTING MECHANICAL ENGINEERING MOTOR VEHICLES PERFORMING OPERATIONS TRAILERS TRANSPORTING WEAPONS |
| title | TALASASTA PLOČA ZA SMANJENJE BAZNOG OTPORA |
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