Behaviour of Thermodynamic Models with Phase Change Materials under Periodic Conditions

Sparavigna, Amelia Carolina; Giurdanella, S.; Patrucco, Mario

doi:10.4236/epe.2011.32019

Cited by 6 publications

(6 citation statements)

References 30 publications

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“…When z = 0, θ is given by T = T (1) , the temperature measured by the lower thermocouple. Imposing the continuity of the temperature function with respect to time, we have:…”

Section: Theoretical Modelmentioning

confidence: 99%

“…For several of their engineering applications in microscopic or macroscopic structures for instance, we need to know how they are able to dissipate heat. The same is true for those systems suitable for the recover or storage of energy [1]. Besides this necessity of measuring the thermal properties of new component materials, the study and development of relevant experimental methods is quite important for researchers and students of engineering schools too.…”

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confidence: 99%

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Measuring the Thermal Diffusivity in a Student Laboratory

Sparavigna¹

2012

ENG

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The paper describes a method for measuring the thermal diffusivity of materials having a high thermal conductivity. The apparatus is rather simple and low-cost, being therefore suitable in a laboratory for undergraduate students of engineering schools, where several set-ups are often required. A recurrence numerical approach solves the thermal field in the specimen, which is depending on the thermal diffusivity of its material. The numerical method requires the temperature data from two different positions in the specimen, measured by two thermocouples connected to a temperature logger

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“…When z = 0, θ is given by T = T (1) , the temperature measured by the lower thermocouple. Imposing the continuity of the temperature function with respect to time, we have:…”

Section: Theoretical Modelmentioning

confidence: 99%

mentioning

confidence: 99%

Measuring the Thermal Diffusivity in a Student Laboratory

Sparavigna¹

2012

ENG

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“…An example of LHS material is the ice (heat of fusion, 333.55 J/g). Water/ice is therefore a PCM, which can be used to store winter cold to cool buildings in summer (Sparavigna et al, 2011).…”

Section: Introductionmentioning

confidence: 99%

Wood for Thermal Energy Storage

Sparavigna

2022

Preprint

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For thousands of years wood had been used for many fundamental purposes, as a fuel or as a material for building houses and creating tools and furniture. Today, many researches aim to improve the properties of this traditional material for further innovative applications. Here we will consider the enhancement of the wood thermal features by means of its impregnation with phase change materials (PCMs). A PCM is a substance absorbing and releasing thermal energy at a phase transition. Therefore, wood and PCMs can be composed to be useful for the thermal energy storage, that is for heating and cooling applications. Here we propose a discussion of recent literature about development and applications of wood-based composite PCMs.

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“…An example of PCM based on fusion is the ice (heat of fusion, 333.55 J/g). Water/ice is therefore a well-known phase change material, which can be used to store winter cold to cool buildings in summer [1].…”

Section: Introductionmentioning

confidence: 99%