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Technical Brief

Determination of viscosity versus pressure by means of a clearance seal

[+] Author and Article Information
Peter Christiansen

Department of Mechanical Engineering, Technical University of Denmark, 2800 - Kgs. Lyngby, Denmark
petc@mek.dtu.dk

Niels Hansen

Department of Mechanical Engineering, Technical University of Denmark, 2800 - Kgs. Lyngby, Denmark
Niels.Hansen@aasted.eu

Martin Lund

Department of Mechanical Engineering, Technical University of Denmark, 2800 - Kgs. Lyngby, Denmark
ml@dansk-teknologi.dk

Jon Spangenberg

Department of Mechanical Engineering, Technical University of Denmark, 2800 - Kgs. Lyngby, Denmark
josp@mek.dtu.dk

Niels Bay

Department of Mechanical Engineering, Technical University of Denmark, 2800 - Kgs. Lyngby, Denmark
nbay@mek.dtu.dk

1Corresponding author.

ASME doi:10.1115/1.4038579 History: Received June 23, 2017; Revised October 16, 2017

Abstract

This paper describes the construction and testing of a simple, experimental tool setup that enables determination of the pressure-viscosity relationship for high viscosity oils. Comparing the determined pressure-viscosity relationship with a reference rheometer measuring the viscosity at ambient pressure yields reasonable agreement. The computed viscosity at elevated pressures where well represented by the Chu and Cameron model.

Copyright (c) 2017 by ASME
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