transient plane source method Archives

Effect of radiative heat transfer on determining thermal conductivity of semi-transparent materials using transient plane source method

Author(s): Hu Zhang, Wenquan Tao, Yueming Li

This study aimed to determine how reliable the Transient Plane Source (TPS) method is when testing semi-transparent materials that have varying extinction coefficients at different temperatures. A numerical experiment has ...

Keywords: Radiative heat transfer, Semi-transparent materials, Test accuracy, Thermal Conductivity, transient plane source method

Experimental Measurements of Thermophysical Properties of Al2O3– and TiO2–Ethylene Glycol Nanofluids

Author(s): Claudio Zilio, Giovanni A. Longo

The thermal conductivity and dynamic viscosity of Al2O3-ethylene glycol and TiO2-ethylene glycol nanofluids have been determined as a function of the nanoparticle volume fraction (from 1 to 3 %) and ...

Keywords: Cluster Size Distribution, DLS, Dynamic Light Scattering, Dynamic Light Scattering (DLS) Nano-Sizer Apparatus, Glycol, Nano-Sizer Apparatus, Nanofluids, Nanoparticles, TEM, Thermal Conductivity, transient plane source method, Transmission Electronic Microscope, Transmission Electronic Microscope (TEM), viscosity, Zeta Potential

Thermophysical Properties of Reconsolidating Crushed Salt

Author(s): Alexander Urquhart, Stephen J. Bauer

The thermophysical properties of crushed salt were measured as it reconsolidated. The main focus of the work was to determine the thermal conductivity of the salt at temperatures ranging from ...

Keywords: Guarded Heat-Flow Meter, Nuclear Waste Repositories, Reconsolidated Crushed Salt, Specific Heat, Thermal Conductivity, Thermal Diffusivity, transient plane source method

Chemical modification of tannin/furanic rigid foams by isocyanates and polyurethanes

Author(s): Alain Celzard, Antonio Pizzi, M. C. Basso, V. Fierro, X. Li

Polymeric tannin/furanic foams fortified with polyurethane (PUR) and 4,4’ diphenylmethane diisocyanate (pMDI) were prepared. The thermo-physical and mechanical properties of the produced foams were investigated experimentally. It was found that ...

Keywords: Bulk Density, Compressive Strength, Helium Pycnometry, Polymeric Foams, Scanning Electron Microscope, Scanning electron microscope (SEM), SEM, Skeletal Density, Thermal Conductivity, thermal insulation, transient plane source method

Development of Enhanced Cylindrical Specimen Thermal Conductivity Testing Procedure

Author(s): Derek Morris

This thesis presents a literature review of techniques for measuring the thermal conductivity of engineering materials. In addition to this, the cylindrical specimen apparatus developed at Arizona State University was ...

Keywords: Cylindrical Specimen Method, Engineering Materials, Guarded Hot-Plate Method, Thermal Conductivity, transient plane source method

Thermal and electrical conductivity enhancement of graphite nanoplatelets on form-stable polyethylene glycol/polymethyl methacrylate composite phase change materials

Author(s): Jiaoqun Zhu, Jun Wang, Lei Zhang, Weibing Zhou, Yan Wang

Graphite nano-platelets (GnPs) were dispersed in polyethylene glycol (PEG)/polymethyl methacrylate (PMMA) to form a PEG/PMMA/GnPs composite organic form-stable phase change material. The effects of the incorporation of ...

Keywords: Compressive Strength, differential scanning calorimeter, Differential scanning calorimeter (DSC), DSC, Electrical Conductivity, FE-SEM, Field Emission Scanning Electron Microscopy, Field Emission Scanning Electron Microscopy (FE-SEM), Fourier-Transform Infrared Spectroscopy, Fourier-Transform Infrared Spectroscopy (FT-IR), FT-IR, graphite, pcms, phase change materials, Polymer composites, Thermal Conductivity, thermal constant analyzer, Thermogravimetry, transient plane source method, X-ray Diffraction, X-ray diffraction (XRD), XRD

Structure and oxidation resistance of micro-cellular Si–SiC foams derived from natural resins

Author(s): A. Ortona, Alain Celzard, Antonio Pizzi, C. Zollfrank, G. Amaral-Labat, S. Pusterla, V. Fierro

Si-SiC composite foams were prepared using tannin-based foams as templates. The foams were prepared by four different methods for the determination of which method would best produce a foam with ...

Keywords: Cellular Ceramics, ceramics, Mercury Porosimetry, Raman Microscopy, resin, Scanning Electron Microscopy, Scanning Electron Microscopy (SEM), SEM, TGA, Thermal Conductivity, Thermogravimetric Analysis, Thermogravimetric analysis (TGA), transient plane source method, X-ray Diffraction, X-ray diffraction (XRD), XRD

Thermal conductivity of engineered bamboo composites

Author(s): Darshil U. Shah, Helen Mulligan, Maximilian C. D. Bock, Michael H. Ramage

The thermal properties of engineered bamboo products were investigated as these products show promise for use as building materials due to their improved mechanical properties over traditional timber building materials. ...

Keywords: Apparent Density, Bamboo, building materials, Thermal Conductivity, transient plane source method

Analysis of effective thermal conductivity for mineral cast material structures with varying epoxy content using TPS method

Author(s): A. Selvakumar, P. V. Mohanram

The effective thermal conductivity of mineral cast epoxy granite materials with varying volume fractions of epoxy content was determined. This material was being studied for application as a structural material ...

Keywords: Epoxy, High Speed Machine Tools, Thermal Conductivity, transient plane source method

A slug calorimeter for evaluating the thermal performance of fire resistive materials

Author(s): D. R. Flynn, Dale P. Bentz, J. H. Kim, R. R. Zarr

An equation for determining the effective thermal conductivity of fire resistive materials using a slug calorimeter was developed, and effective thermal conductivities were measured during heating and cooling cycles of ...

Keywords: Effective Thermal Conductivity, Fire Resistance, Slug Calorimeter, transient plane source method

Keyword: transient plane source method