Recent developments and applications of the hot disk thermal constants analyser for measuring thermal transport properties of solids

Gustavsson, Mattias; Gustavsson, Johan S.; Gustafsson, Stefan; Hälldahl, Lars

doi:10.1068/htwu259

Cited by 18 publications

(15 citation statements)

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“…The advantage of transient technique to steady-state technique is that the effect of the contact resistance is eliminated in the analysis. This method ensures accurate measurements over a thermal conductivity range from 0.005 to 500 W/(m K) over temperatures from 30 to 1200 K [25]. The TPS technique is used for measuring the thermal conductivity of insulation materials and electrically conducting materials [12].…”

Section: Hot-disk Methodsmentioning

confidence: 99%

“…The strip is a metal foil between two specimens or a thin metal film on the surface of a plane specimen. Materials studied so far with this system include metals, alloys, ceramics including high conducting ceramics like Aluminium nitride (AlN), high critical temperature materials, minerals, polymers, composites, glass, fabrics, paper, glass wool, foam, powder, biomaterial, and liquids, as well as materials with anisotropic thermal properties [25].…”

Section: Hot-disk Methodsmentioning

confidence: 99%

“…A thin polymer coating material is used as electrical insulation and sensor protection on the spiral. The coating materials are most commonly Kapton for measuring temperature ranges between 30 and 450 K, Mica for higher temperatures of up to 1200 K [25], and Teflon. The sensor acts as both a heat source and a thermometer.…”

Section: Hot-disk Methodsmentioning

confidence: 99%

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The Review of Some Commonly Used Methods and Techniques to Measure the Thermal Conductivity of Insulation Materials

Yüksel¹

2016

Insulation Materials in Context of Sustainability

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The use of insulation materials is considered as one of the most effective means of conserving energy in various fields. Thermal insulation materials enable systems to achieve energy efficiency. Many different thermal insulation materials have been developed to reduce heat flow by limiting conduction, convection, and/or radiation while performing one or more functions. These functions may vary in the context of thermal design, numerical simulations, and a wide range of engineering problems, such as determining the heat loss, temperature field, isolation, and cooling conservation, and in a variety of other technologies. One of the most effective ways to identify and determine performance is effective thermal conductivity. The thermal measurement performance is usually evaluated in a temperature and signal gradient for single or combined homogeneous/heterogenous materials. The two main categories of thermal conductivity measurement techniques are steady-state methods and transient methods. The aim of this chapter is to present various measurement methods and to investigate their suitability for method purposes. This chapter presents new and accurate experimental techniques and methods for measuring the thermal conductivity of several most commonly used insulation materials. Some of these methods are commonly used in the field for measuring the thermal property of insulation materials. On the other hand, different insulation measurement practices are presented depending upon the overall structures. The analysis predicting the thermal conductivities of insulation materials is also discussed.

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Section: Hot-disk Methodsmentioning

confidence: 99%

Section: Hot-disk Methodsmentioning

confidence: 99%

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The Review of Some Commonly Used Methods and Techniques to Measure the Thermal Conductivity of Insulation Materials

Yüksel¹

2016

Insulation Materials in Context of Sustainability

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“…For instance, in Refs. [18] and [19]discussing a modification referred to as the slab technique in the following-it is shown that thin sheets (of the order of 1 mm thickness) of high thermal conductivity materials-such as Cu, Al, brass, and stainless steel-can efficiently be thermally insulated and measured with good accuracy. This arrangement applies to a theory where the available probing depth is defined by the minimum distance between the sensor and the lateral surface boundaries of the sides of the sheets (in the same plane as the sensor itself).…”

Section: Introductionmentioning

confidence: 99%

“…The transient plane source (TPS) [1][2][3][4][5][6][7][8], the transient hot-strip (THS) [9][10][11][12][13], and the pulse transient hot-strip (PTHS) techniques [14][15][16][17] are used for measuring the thermal properties of materials, covering a wide range of materials and sample geometries.…”

Section: Introductionmentioning

confidence: 99%

On the Use of the Transient Hot-Strip Method for Measuring the Thermal Conductivity of High-Conducting Thin Bars

et al. 2006

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The thermal conductivity of thin, high-conducting ceramic bars-commonly used in mechanical tensile testing-is measured using a variant of the short transient hot-strip technique. As with similar contact transient methods, the influence from the thermal contact resistance between the sensor and the sample is accurately recorded and filtered out from the analysis-a specific advantage that enables sensitive measurements of the bulk properties of the sample material. The present concept requires sensors that are square in shape with one side having the same width as the bar to be studied. As long as this requirement is fulfilled, the particular size of the thin bar can be selected at will. This paper presents an application where the present technique is applied to study structural changes or degradation in reinforced carbon-carbon (RCC) bars exposed to thermal cycling. Simultaneously, tensile testing and monitoring of mass loss are conducted. The results indicate that the present approach may be utilized as a non-destructive quality control instrument to monitor local structural changes in RCC panels.

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Nanocoating individual cohesive boron nitride particles in a fluidized bed by ALD

2004

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Recent developments and applications of the hot disk thermal constants analyser for measuring thermal transport properties of solids

Cited by 18 publications

References 0 publications

The Review of Some Commonly Used Methods and Techniques to Measure the Thermal Conductivity of Insulation Materials

The Review of Some Commonly Used Methods and Techniques to Measure the Thermal Conductivity of Insulation Materials

On the Use of the Transient Hot-Strip Method for Measuring the Thermal Conductivity of High-Conducting Thin Bars

Nanocoating individual cohesive boron nitride particles in a fluidized bed by ALD

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