Transient Plane Source Archives

Thermal properties of asphalt concrete: A numerical and experimental study

Author(s): Par Johansson, Raheb Mirzanamadi, Sotirios A. Grammatikos

Asphalt concrete must often endure a range of different weather conditions, and its thermal conductivity is affected by these changes. Using the Finite Element Method (FEM), this paper develops a ...

Keywords: Asphalt Concrete, Finite Element Method (FEM), Numerical Method, Thermal Conductivity, Thermal Properties, TPS sensor, Transient Plane Source, Transient plane source (TPS) method

New Measurements of the Apparent Thermal Conductivity of Nanofluids and Investigation of Their Heat Transfer Capabilities

Author(s): Chrysi M. Tsolakidou, Georgia J. Tertsinidou, Marc J. Assael, Maria Pantzali

This article studied the thermal conductivity values and measurements for the following two systems using the transient hot wire (THW) and transient plane source (TPS) techniques: ethylene glycol with added ...

Keywords: Ethylene glycol, Finite Element Method (FEM), finite-element method, Hot Disk, multi-walled carbon nanotubes, Nanofluids, Nanoparticles, Nanotubes, Thermal Conductivity, Thermal Conductivity Analyzer, Thermal Constants Analyzer, Transient Hot Wire (THW) Instrument, Transient Hot-Wire, Transient plane source (TPS) technique, Transmission Electron Miscoscopy (TEM), Water

Intercomparison of thermal conductivity measurements on an expanded glass granulate in a wide temperature range

Author(s): Ernst-G. Hencke, Hans-Peter Ebert, Roland Schreiner

This article aimed to compare the thermal conductivity of expanded glass granulate at high temperature ranges using a variety of steady state and transient testing methods (Guarded Hot Plate, Heat ...

Keywords: expanded glass granulate, High Temperature, Hot Disk, insulation, Insulation material, Technical insulation material, transient plan source technique, Transient plane source (TPS) technique, VDI/Keymark

Noble-gas-infused neoprene closed-cell foams achieving ultra-low thermal conductivity fabrics

Author(s): Anton L. Cottrill, Jacopo Buongiorno, Jeffrey L. Moran, Jesse D. Benck, Michael S. Strano, Pingwei Liu, Zhe Yuan

Closed cell foams are widely used as protective garments in extreme environments. This article studied the use of neoprene-based materials in wetsuits by developing a strategy for reducing the thermal ...

Keywords: Foams, Hot Disk, Neoprene, Thermal Conductivity, Transient plane source (TPS) method

Cellulose Nanocrystals reduce cold damage to reproductive buds in fruit crops

Author(s): Changki Mo, Jassim O. Alhamid, Matthew D. Whiting, Peipei Wang, Qin Zhang, Xiao Zhang

Cellulose nanocrystals (CNC) are renewable nano-biomaterials that may be suitable for reducing cold damage in fruit buds to their low thermal conductivity. This study was conducted to evaluate the potential ...

Keywords: Cellulose nanocrystals (CNC), coldhardiness, Differential Thermal Analysis, Hot Disk, low-temperature exotherms, Thermal Conductivity, Transient plane source (TPS) technique

Rheological and Thermal Transport Characteristics of a Transformer Oil Based Ferrofluid

Author(s): B. Sundén, J. Tóthová, K. Paulovičová, L. Wadsö, M. Rajňák, M. Timko, P. Kopčanský, T. Tobiáš, V. Lisý, Z. Wu

This article studied the flow and thermal transport characteristics of a ferrofluid based on transformer oil (Mogul Trafo CZ-A) and iron oxide nanoparticles. The thermal conductivity, specific heat, and thermal ...

Keywords: ferrofluid, iron oxide, Nanofluids, Nanoparticles, oil, Thermal Conductivity, transformer oil, Transient plane source (TPS) method

A single-sided method based on transient plane source technique for thermal conductivity measurement of liquids

Author(s): Feng-Xian Sun, Lin-Lin Wu, Ming Xie, Qing Ai, Zhen-Wen Hu

This article examined the effects of using the traditional vertical orientation method versus the single-sided horizontal method for transient thermal conductivity measurements of water, glycol, and methanol. It aimed to ...

Keywords: Liquids, single-sided method, Thermal Conductivity, Transient plane source (TPS) technique

Crystallization kinetics behavior of ionic liquid [EMIM][BF4] confined in mesoporous silica matrices

Author(s): Abhishek Kumar Gupta, Rajendra Kumar Singh, Suresh Chandra

This study focused on the crystallization kinetics behavior of pure ionic liquid (IL) (1-ethyl-3-methylimidazolium tetrafluoro borate; EMIMBF4) as well as IL confined in mesoporous silica matrices (termed as ionogel). ...

Keywords: crystallization, Hot Disk, ionic liquid (IL), kinetics behavior, Pellets, Silica, Transient plane source (TPS) technique, X-ray photoelectron spectroscopy

A small-plane heat source method for measuring the thermal conductivities of anisotropic materials

Author(s): Jun Wang, Kai Yue, Liang Chen, Xinxin Zhang

This study aimed to develop a new method based on the transient plane source (TPS) technique to simultaneously measure the in-plane and across-plane thermal conductivities of anisotropic insulating materials using ...

Keywords: anisotropic insulating material, cross-plane thermal conductivities, in plane, inverse problem method, Sensitivity Analysis, small-plane heat source method, Thermal Conductivity, Transient plane source (TPS) method

An explanation of the Al₂O₃ nanofluid thermal conductivity based on the phonon theory of liquid

Author(s): Arturo de Risi, Fabrizio Iacobazzi, Gianpiero Colangelo, Marco Milanese, Mauro Lomascolo

This article examined how a variety of mechanisms (layering, Brownian motion, clustering, ballistic phonon motion, thermal boundary resistance, and mass difference scattering) affect the thermal conductivity of alumina based nanofluid. ...

Keywords: Alumina, ballistic phonon motion, Brownian Motion, clustering, Heat Transfer, Hot Disk, layering, mass difference scattering, microfluid, Nanofluid, Phonon scattering, Thermal Boundary Resistance, Thermal Conductivity, Transient plane source (TPS)

Papers Category: Transient Plane Source