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Umerjanje in uporaba Pitot-Prandtlove merilne sonde za hitrost zraka : diplomska naloga visokošolskega strokovnega študijaKavčnik, MarkoPitot-Prandtlova merilna sonda je najbolj razširjen merilni instrument, ki se uporablja za določevanje hitrosti letala. Zaradi neposredne povezave hitrosti letala in vzgona, ki je potreben za ... letenje, je natančnost merjenja življenjskega pomena. Že majhna odstopanja lahko privedejo do napačne interpretacije hitrosti, kar je v nekaterih režimih leta lahko smrtno nevarno. S standardi, ki podajajo zahteve glede snovanja in zmogljivosti letal, zagotavljamo ustrezno in varno plovbo. Z merjenjem hitrosti v zraku so povezani določeni pogreški, ki jih lahko z umerjanjem in dobro zasnovanim sistemom zmanjšamo ali celo odpravimo. Merilnik razlike tlaka smo umerili ob povezavi s Pitot-Prandtlovo merilno sondo, namenjeno testiranju letala in merjenju hitrosti, vpadnega kota in kota bočnega drsenja. Merili smo izhodno napetost v odvisnosti od vhodne komponente, indicirane hitrosti zraka. Z matematičnim popisom krivulje smo definirali odziv sistema. Med testnim poletom smo z medsebojno primerjavo primarnega sistema za merjenje hitrosti, ki je v osnovni konfiguraciji nameščen na testno letalo in umerjeno merilno sondo, dokazali, da primarni sistem podaja natančne vrednosti hitrosti letala in ustreza standardu, ki definira hitrosti in dovoljena odstopanja. Na podlagi izmerjenih vrednosti smo prišli do zaključka, da obstaja neposredna povezava med vpadnim kotom letala in merilnim pogreškom hitrosti, ko se letalo približuje kritičnemu vpadnemu kotu.Type of material - undergraduate thesis ; adult, seriousPublication and manufacture - Ljubljana : [M. Kavčnik], 2015Language - slovenianCOBISS.SI-ID - 14167579
Author
Kavčnik, Marko
Other authors
Bajsič, Ivan
Topics
diplomske naloge |
Pitot-Prandtlova merilna sonda |
testiranje letala |
dinamični tlak |
hitrost zraka |
umerjanje |
kritični vpadni kot |
Pitot-Prandtl measuring tube |
flight testing |
dynamic pressure |
velocity of air |
calibration |
critical angle of attack
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Library | Call number – location, accession no. ... | Copy status |
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Faculty of Mechanical Engineering, Lj. | S 3284 IN: 30003284 |
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Database name | Field | Year |
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Kavčnik, Marko | ![]() |
Bajsič, Ivan | 03562 |
Source: Personal bibliographies
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