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Thermal Conductivity Paper Database

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Recommended Papers for: Heat Transfer

Total Papers Found: 38

Measurements of thermal properties of rock samples under high temperature conditions

This study looked to analyze temperature effects on thermal transport properties of dry granite, gabbro, marble, and sandstone samples. An instrument was used with a high temperature chamber to perform thermal conductivity measurements on the rock samples. The thermal conductivity of the granite, marble, and sandstone samples were found to decrease with increasing ambient temperature, while the gabbro remained almost constant....

Author(s): , , , ,

Thermal and physical properties of reconsolidated crushed rock salt as a function of porosity and temperature

Crushed salt can be used as a backfill in salt repositories to bury and conduct heat away from radioactive waste in salt repositories. Since crushed salt compacts during reconsolidation, its thermo-physical properties will vary because of changes in porosity. A Transient Plane Source thermal constant analyzer was used to measure thermal conductivity of the salt samples. Thermal conductivity was found to decrease with increasing temperatures....

Author(s): ,

Heat transfer enhancement of micro oscillating heat pipes with self-rewetting fluid

This study focused on the heat transfer enhancement mechanism of micro oscillating heat pipes (MOHP) using self-rewetting fluids (SRWF). SRWFs are believed to improve the thermal performance of heat transfer devices. Thermal conductivity measurements were taken with a thermal analyzer, using the transient plane source method at room temperature. Results found the thermal conductivity of SRWF to be slightly lower than that of water, and MOHP using SRWF exhibited much ...

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Effects of hybrid nanofluid mixture in plate heat exchangers

In this study, multi-walled carbon nanotubes (MWCNTs) were added to Al2O3/water nanofluids to determine their heat transfer and temperature drop properties compared to water and Al2O3/water nanofluids. A TPS thermal constants analyzer measured the thermal conductivity of the Al2O3/water nanofluids using the transient plane source (TPS) method. The thermal conductivity of Al2O3/water nanofluids was further enhanced with the addition of MWCNTs because ...

Author(s): , ,

The review of some commonly used methods and techniques to measure the thermal conductivity of insulation materials

This article reviewed the methods that are available to test thermal properties of various insulating materials. These methods can fall under one of two categories: steady state techniques and non-steady (transient) techniques. The transient plane source (TPS) method is classified as a non-steady state technique. The TPS sensor is a round piece of engraved nickel that conducts electrical currents and is covered with a coating of Kapton, Mica or Teflon. ...