FLUID BULK MODULUS: A LITERATURE SURVEY

Authors

  • Hossein Gholizadeh Department of Mechanical Engineering, University of Saskatchewan 57 Campus Drive, Saskatoon, Saskatchewan, Canada, S7N 5A9
  • Richard Burton Department of Mechanical Engineering, University of Saskatchewan 57 Campus Drive, Saskatoon, Saskatchewan, Canada, S7N 5A9
  • Greg Schoenau Department of Mechanical Engineering, University of Saskatchewan 57 Campus Drive, Saskatoon, Saskatchewan, Canada, S7N 5A9

Keywords:

bulk modulus, effective bulk modulus, hydraulic fluid, velocity of sound, adiabatic, isothermal, literature review

Abstract

Fluid bulk modulus is a fluid property that has been studied extensively over the past years. The numerical value of this property depends on the operating conditions, the amount of entrained air, and the way compression is applied and to some extent, the mathematical form it is defined. However, some confusion over what is the most appropriate value to use in simulation and design studies exists. Many significant studies on experimental techniques to measure this property have been proposed but in some instances the actual operating conditions are not well defined or assume a form which may not be consistent with the actual operating conditions. The objective of this paper is to first define some of the more common definitions of bulk modulus and then present a summary of the literature that is based on fluid bulk modulus. Where appropriate, some comments on some of the confusion over definitions will be expanded upon. The pressure and temperature range over which these bulk modulus measurements can be made is dependent on the design of the test apparatus. But generally the pressure range is from the atmospheric pressure to 690 MPa and the temperature range is from - 40 to 270 °C. A companion paper will present a comparison of some of the models that have come out of this literature review.

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Author Biographies

Hossein Gholizadeh, Department of Mechanical Engineering, University of Saskatchewan 57 Campus Drive, Saskatoon, Saskatchewan, Canada, S7N 5A9

Hossein Gholizadeh Ph.D. Candidate in the Mechanical Engineering Department, University of Saskatchewan, Canada. He Received his M.Sc. from Iran University of Science and Technology in Tehran, Iran in 2003. His main research interest is in fluid power transmission and control. His current research is focused on fluid bulk modulus and methods of on-line measuring of effective bulk modulus

Richard Burton, Department of Mechanical Engineering, University of Saskatchewan 57 Campus Drive, Saskatoon, Saskatchewan, Canada, S7N 5A9

Richard Burton P.Eng, Ph.D, FASME, Burton is a Professor of Mechanical Engineering, University of Saskatchewan He is involved in research pertaining to the application of intelligent theories to control and monitoring of hydraulics systems, component design, and system analysis. He is a Fellow of ASME, a member of the executive of ASME, FPST Division, and an active member of FPNI. He is a reviewer for most Journals that contain fluid power topics.

Greg Schoenau, Department of Mechanical Engineering, University of Saskatchewan 57 Campus Drive, Saskatoon, Saskatchewan, Canada, S7N 5A9

Greg Schoenau Professor of Mechanical Engineering at the University of Saskatchewan. He was head of that Department from 1993 to 1999. He obtained B.Sc. and M. Sc. Degrees from the University of Saskatchewan in mechanical engineering in 1967 and 1969, respectively. In 1974 he obtained his Ph.D. from the University of New Hampshire in fluid power control systems. He continues to be active in research in this area and in the thermal systems area as well. He has also held positions in numerous outside engineering and technical organizations.

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Published

2011-11-01

How to Cite

Gholizadeh, H., Burton, R., & Schoenau, G. (2011). FLUID BULK MODULUS: A LITERATURE SURVEY. International Journal of Fluid Power, 12(3), 5–15. Retrieved from https://journals.riverpublishers.com/index.php/IJFP/article/view/430

Issue

2011: Vol 12 Iss 3

Section

Original Article