| Title: |
PRORAČUN MJERNE NESIGURNOSTI U PROCESU KALIBRACIJE CORIOLISOVIH MJERILA PROTOKA. (Bosnian) |
| Alternate Title: |
CALCULATION OF MEASUREMENT UNCERTAINTY IN CALIBRATION PROCESS OF CORIOLIS FLOW-METER. (English) |
| Authors: |
Baralić, Emir; Bašić, Hazim |
| Source: |
Proceedings on Quality; 2013, p247-252, 6p |
| Subject Terms: |
MEASUREMENT uncertainty (Statistics); FLOW meters; CORIOLIS force; CALIBRATION; FLOW measurement; MASS (Physics); TEMPERATURE measuring instruments |
| Abstract (English): |
In recent time in the field of flow measurement the mass flow meter, on the basis of Coriolis force, appeared on the market. On everyday flow measurement is known problem of calculation between mass and volumetric flow and it is stressed in fiscal measurement especially in the oil industry. To get accurate mass units from volumetric, beside volumetric meter it is necessary to include additional measurement apparatus for measurement of temperature, pressure, density and other variables. All mentioned parameters in continual flow process making calculation harder and in many cases making uncertainty higher. In this paper, results of calibration of mass flow meter will be presented, and those flow meter are installed in refinery. Beside, basic of measurement uncertainty will be presented under condition where is measurement passes is relatively low as well as basic information about appearing of Coriolis force and basic information about Coriolis mass flow meter. [ABSTRACT FROM AUTHOR] |
| Abstract (Bosnian): |
Na polju mjerenja protoka u posljednje vrijeme se pojavilo mjerilo masenog protoka na bazi efekta Coriolisove sile. U svakodnevnom mjerenju protoka jedan od problema, posebno u mjerenju protoka nafte i naftnih proizvoda, je izračunavanje i pretvaranje veličina volumetrijskog u maseni protok. Inače, da bi se iz volumetrijskog mjerenja dobili rezultati izraženi u težinskoj veličini, pored samog uređaja za volumetrijsko mjerenje, potrebno je imati i dodatne uređaje za mjerenje temperature, pritiska, gustoće, viskoziteta i ostalih uticajnih varijabli. Svi ovi parametri u kontinualnom procesu dodatno usložnjavaju preračunavanje koje često vodi nedosljednosti i netačnosti. U okviru rada biće istraživani i prezentirani rezultati kalibracije mjerila kasnije ugrađenih u mjerni sistem rafinerije. Pored toga, biće date osnove proračuna mjerne nesigurnosti kalibracije gdje je broj mjerenja relativno mali kao i osnovne informacije o pojavi Coriolisove sile i osnovnim pojmovima o Coriolisovom mjerilu protoka. [ABSTRACT FROM AUTHOR] |
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| Database: |
Complementary Index |