Presentation Profile

Vapor Pressure Measurement Technology: Analysis of the effects of Temperature on Vapor Pressure for Various Oil Samples

Room: South Lobby

Main Author
Raj Shah - Koehler Instrument Company, Inc.

Additional Authors
  • Tom Karis - TEK Data Systems
  • Philip Iaccarino - Stony Brook University
Abstract:

Vapor pressure is a property that is commonly tested for in the petroleum industry. In recent years, instrumentation to test for vapor pressure has seen some tremendous developments, which greatly improve the testing procedure. These new instruments align with ASTM D5191 and ASTM D6378, utilize automated procedures and only require small amounts of sample. By revolutionizing the vapor pressure testing field, the recently developed instruments have become the new standard for vapor pressure testing.

Making use of the new instrumentation, the effects of temperature on the vapor pressure of a sample can be studied rapidly and accurately. Generally, as the temperature of a sample increases, the vapor pressure also increases. The degree of the vapor pressure increase varies depending on the properties of the sample: its molecular weight and chemical composition are two of these properties. This poster will use one of these recently developed vapor pressure instruments to measure the vapor pressure of various oil samples, and will analyze the changes across a temperature range for those samples. The paper will also discuss thermodynamic characterization of base oil viscosity and vapor pressure.

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