752 KB28 KB199920252015Arsenić, ŽivanDuboka, ČedomirGrkić, AleksandarMikluc, DavorinMuždeka, Slavkoštevilka:6letnik:61str. 392-398, SI 71ISSN:0039-2480COBISSID:14053915URN:URN:NBN:SI:doc-Z48E0C5OenZveza strojnih inženirjev in tehnikov Slovenije et al.Strojniški vestnikmeritvemodeliranjeocena temperaturetorna površinazaviranjeA model for the estimation of brake interface temperature|The temperature achieved at the contact surface of the disc and the pad of a friction brake during its operation has a significant impact on brake performance. Temperature measurement techniques, which are usually available under laboratory test conditions, enable obtaining relatively accurate values of the temperature at the friction surface. However, measuring the sliding surface temperature during the entire lifetime of the brake pad is very difficult due to the demanding operating conditions of the brakes, i.e. the appearance of wear, the presence of water, corrosion, and other immersive impacts. Purely mathematical models for the prediction of friction or contact surface temperature are often complex, and they are affected by a number of limitations. In this paper, an appropriate mathematical model was developed in order to enable estimation of the sliding surface temperature values between the brake disk and brake pads throughout the entire duration of brake application. This is achieved by using the results of the temperature measurement within the brake pad and its processing, by means of an originally developed mathematical modelGlavni cilj tega dela je poiskati rešitev za ocenjevanje temperature na stiku zavor tekom celotne življenjske dobe zavornih ploščic. Temperatura na kontaktni površini med kolutom in oblogo zavorne ploščice ima velik vpliv na učinkovitost zavor. Če poznamo glavne vplivne dejavnike (t. j. temperaturo na torni površini) ob začetku zaviranja in med zaviranjem, lahko napovedujemo in torej tudi upravljamo izhodne parametre zavor oz. učinkovitost zaviranja. Merjenje temperature tornih površin tekom celotne življenjske dobe zavorne ploščice pa ni prav nič preprosta naloga. Vzrok je v zahtevnih delovnih pogojih zavor, ki vključujejo različne vrste obrabe, prisotnost vode, korozijo in druge vplive. Tudi matematični modeli, s katerimi napovedujemo trenje ali temperaturo stične površine, so pogosto kompleksni in imajo vrsto omejitevTEXTznanstveno časopisjejournalsSlovenian National E-content AggregatorNational and University Library of SloveniaUniverza v Ljubljani, Fakulteta za strojništvo