TY - GEN
T1 - Air solubility measurements and modeling of brake fluids
AU - Eisele, Andreas
AU - Sagmeister, Simon
AU - Schneider, Michael
AU - Lienkamp, Markus
N1 - Publisher Copyright:
Copyright © 2019 ASME
PY - 2020
Y1 - 2020
N2 - This paper investigates the air solubility of hydraulic oils with specific application in polyglycol based brake fluids. An Extensive literature research revealed a lack of data on the thermodynamic solubility properties of brake fluids. A derivation of the searched quantities cannot be obtained from the values given for hydraulic oils because of the deviation in components. Absolute values and relations to state variables, such as temperatures, have not yet been stated. Therefore, this research aims to investigate these unknown correlations using empirical measurements. A test rig was designed for isobar absorption testing. The quasi-stationary test results confirm Henrys Law. Furthermore the solubility is presented as a function of temperature and water content and a phenomenological model of the Bunsen coefficient is derived. It is apparent that the impact of temperature is inverse to that of common fluids such as water or some alcohols.
AB - This paper investigates the air solubility of hydraulic oils with specific application in polyglycol based brake fluids. An Extensive literature research revealed a lack of data on the thermodynamic solubility properties of brake fluids. A derivation of the searched quantities cannot be obtained from the values given for hydraulic oils because of the deviation in components. Absolute values and relations to state variables, such as temperatures, have not yet been stated. Therefore, this research aims to investigate these unknown correlations using empirical measurements. A test rig was designed for isobar absorption testing. The quasi-stationary test results confirm Henrys Law. Furthermore the solubility is presented as a function of temperature and water content and a phenomenological model of the Bunsen coefficient is derived. It is apparent that the impact of temperature is inverse to that of common fluids such as water or some alcohols.
UR - http://www.scopus.com/inward/record.url?scp=85084162421&partnerID=8YFLogxK
U2 - 10.1115/FPMC2019-1646
DO - 10.1115/FPMC2019-1646
M3 - Conference contribution
AN - SCOPUS:85084162421
T3 - ASME/BATH 2019 Symposium on Fluid Power and Motion Control, FPMC 2019
BT - ASME/BATH 2019 Symposium on Fluid Power and Motion Control, FPMC 2019
PB - American Society of Mechanical Engineers (ASME)
T2 - ASME/BATH 2019 Symposium on Fluid Power and Motion Control, FPMC 2019
Y2 - 7 October 2019 through 9 October 2019
ER -