STUDI KEAKURASIAN VISKOSIMETER FALLING BALL DAN VISKOSIMETER OSTWALD SERTA PEMBUATAN PROGRAM KOMPUTER SIMULASI VISKOSIMETER

Oleh :
MIRA OKTAVIANA - M0204036 -

Viscosity test had been done to compare accuracy between falling ball viscosimeter with ostwald viscosimeter, and the making of ostwald viscosimeter simulation uses Borland Delphi 7 program. From the measurement using falling ball viscosimeter has been obtained aquades viscosity at temperature 28ºC that is (0,576 ± 0,002) mPa.s. For syrup viscosity measurement at temperature 27ºC, the result is (32,4 ± 0,1) mPa.s. Test sollution that is used next is machine oil (SAE 10) at temperature 30ºC. Viscosity that has been obtained is (99,8 ± 1,3) mPa.s. Next viscosity test uses viscosimeter ostwald. For aquades viscosity at temperature 28ºC, syrup at temperature 27ºC and machine oil (SAE 10) at temperature 30ºC , each value is (47,29 ± 0,02) mPa.s, (163,17 ± 0,02) mPa.s, and (481,88 ± 0,04) mPa.s. Meanwhile, the value of standard aquades at temperature 28ºC is 0,839 mPa.s. And literature for machine oil viscosity (SAE 10) at temperature 30ºC is 200 mPa.s. The excession from ostwald viscosimeter in measuring viscosity is the taking of the data relatively faster if it is compared with falling ball viscosimeter. However from the accuracy of the data, falling ball viscosimeter exeeder than ostwald viscosimeter. Keyword : viscosity, dinamichydro , Falling Ball Viscosimeter.