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High Pressure Thermal Conductivity

Why would you need high pressure thermal conductivity?

Measuring a material’s property at specific conditions which it may be used at will shed insight into how it will behave and perform. By measuring the thermal properties of a given material a high pressure, this may shed insight into how it’s thermal properties behave at elevated pressures and temperatures. C-Therm Technologies High Pressure Liquids and Solids cells both are unique capabilities, solely available at TAL, allows for the measurement of solids, liquids and powders at elevated temperatures and pressures. At high pressures, a solid sample will compress, liquids will remain condensed and powder beds will become more compact, and this will affect the thermal conductivity of the given material.

What applications would high pressure thermal conductivity measurements be beneficial for?

Applications for high pressure conductivity range from petrochemical to polymer samples. For the high pressure liquids and powders cells, we offer thermal conductivity and effusivity measurements from ambient to 300 °C with pressures as high as 1000 psi (69 bar, 6.8 MPa). This may be used to study how coolant liquids perform under pressure, how crude oil behaves under pressure, or for measuring flammable liquids at high temperature and pressure. As for the solid’s cell, we offer high pressure solids testing services from ambient temperatures up to 200 °C, with pressures ranging from ambient to 2000 psi (137 Bar, 13.7 MPa). This is perfect for measuring solid polymer samples, porous ceramics, crystalline solids and core samples for geology and fracking.

Applications space

There is a wide range of applications which high pressure conductivity measurements may be applicable for, including:

High pressure liquids cell

  • Petrochemical liquids
  • Additive manufacturing powders
  • Liquid Polymers and pre-polymers
  • Chemical reactions
  • Flammable liquids

High pressure solids cell

  • Petrochemical core samples
  • Geological samples
  • Polymers
  • Meso-porous and porous ceramics

Recommended Methods

We offer a wide range of methodologies for high pressure thermal conductivity measurements and below is a selection of the measurement requirements for high pressure conductivity and effusivity testing services.

High Pressure Liquids Cell for Thermal Conductivity and Effusivity

Measurement Range 0.023 – 0.640 W/mK and 0 – 1670 Ws½/m2K
Sample Size 15 mL
Temperature Range Ambient – 300 °C
Pressure Range Ambient – 1000 psi
Material Types Liquids and powders
Gas Environments Available Air, nitrogen, argon
Standards ASTM D7984

High Pressure Solids Cell for Thermal Conductivity and Effusivity

Measurement Range 0.130 – 30 W/mK and 425 – 9000 Ws½/m2K
Sample Size 18 – 500 mm diameter, 10 mm thick
Temperature Range -50 – 200 °C
Pressure Range Ambient – 2000 psi
Material Types Solids polymers and ceramics
Gas Environments Available Air, nitrogen, argon
Standards ASTM D7984

Other methods may be available. Contact us at info@thermalanalysislabs.com or call (506) 457-0498 to discuss.

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