Thermal Conductivity Measurement of Salt Hydrates as Porous Material using Calorimetric (DSC) Method

Research output: Contributions to collected editions/worksArticle in conference proceedingsResearchpeer-review

Standard

Thermal Conductivity Measurement of Salt Hydrates as Porous Material using Calorimetric (DSC) Method. / Fopah Lele, Armand ; Korhammer, Kathrin; Wegscheider, Nina et al.
8th World Conference on Experimental Heat Transfer, Fluid Mechanics, and Thermodynamics. ed. / P. J. Coelho; M. Costa. Vol. Proceedings ExHFT8 June 2013. ed. A. Faria - Edicia Electronica Lda, 2013.

Research output: Contributions to collected editions/worksArticle in conference proceedingsResearchpeer-review

Harvard

Fopah Lele, A, Korhammer, K, Wegscheider, N, Rammelberg, H, Schmidt, T & Ruck, W 2013, Thermal Conductivity Measurement of Salt Hydrates as Porous Material using Calorimetric (DSC) Method. in PJ Coelho & M Costa (eds), 8th World Conference on Experimental Heat Transfer, Fluid Mechanics, and Thermodynamics. June 2013 edn, vol. Proceedings ExHFT8, A. Faria - Edicia Electronica Lda, 8th World Conference on Experimental Heat Transfer, Fluid Mechanics, and Thermodynamics - 2013, Lissabon, Portugal, 16.06.13.

APA

Fopah Lele, A., Korhammer, K., Wegscheider, N., Rammelberg, H., Schmidt, T., & Ruck, W. (2013). Thermal Conductivity Measurement of Salt Hydrates as Porous Material using Calorimetric (DSC) Method. In P. J. Coelho, & M. Costa (Eds.), 8th World Conference on Experimental Heat Transfer, Fluid Mechanics, and Thermodynamics (June 2013 ed., Vol. Proceedings ExHFT8). A. Faria - Edicia Electronica Lda.

Vancouver

Fopah Lele A, Korhammer K, Wegscheider N, Rammelberg H, Schmidt T, Ruck W. Thermal Conductivity Measurement of Salt Hydrates as Porous Material using Calorimetric (DSC) Method. In Coelho PJ, Costa M, editors, 8th World Conference on Experimental Heat Transfer, Fluid Mechanics, and Thermodynamics. June 2013 ed. Vol. Proceedings ExHFT8. A. Faria - Edicia Electronica Lda. 2013

Bibtex

@inbook{31268d6ee1e547edbff284b45bf9e5d0,
title = "Thermal Conductivity Measurement of Salt Hydrates as Porous Material using Calorimetric (DSC) Method",
abstract = "The effective thermal conductivity of calcium chloride was measured and its value was increased by two and around three times when impregnating Expanded Vermiculite and Silica Gel with calcium chloride with standard uncertainty ±0.004%. The porous matrix was fabricated by taking Silica Gel / Expanded Vermiculite that had been soaked in a bath of calcium chloride solution with a salt concentration of 40 wt% and then heat-treated at 200 °C. The properties of the porous materials were measured using the heat flux DSC for particles size of 0 – 3 mm in the temperature range from 100 °C to 200 °C. These are small samples having a diameter less than 5.0 mm, a height less than 4.25 mm and a low thermal conductivity. In the studied properties, we focus on thermal conductivity, the obtained values were presented as function of the porosity range values. The performance of the salt-composite widely demonstrated nowadays, will be used in a heat storage system for households application. However, some problems related to the heat loss and open system have not allowed to observe the accurate thermal resistance as expected. Some avenues are explored prior to a new and more appropriate design and eventually a new operating mode. ",
keywords = "Energy research, Thermal conductivity, heat storage system heating cooling working fluid, Engineering, Chemistry, Verfahrenstechnik",
author = "{Fopah Lele}, Armand and Kathrin Korhammer and Nina Wegscheider and Holger Rammelberg and Thomas Schmidt and Wolfgang Ruck",
note = "In order to measure the thermal conductivity of porous materials, a first attempt has been made by the author using the available Lab apparatus like heat flux DSC (type Mettler 1). According to the low accuracy of the measurement, another set up is ongoing to properly characterize its conductivity.; 8th World Conference on Experimental Heat Transfer, Fluid Mechanics, and Thermodynamics - 2013 ; Conference date: 16-06-2013 Through 20-06-2013",
year = "2013",
month = jun,
day = "20",
language = "English",
isbn = "978-972-8620-23-3",
volume = "Proceedings ExHFT8",
editor = "Coelho, {P. J.} and M. Costa",
booktitle = "8th World Conference on Experimental Heat Transfer, Fluid Mechanics, and Thermodynamics",
publisher = "A. Faria - Edicia Electronica Lda",
address = "Portugal",
edition = "June 2013",

}

RIS

TY - CHAP

T1 - Thermal Conductivity Measurement of Salt Hydrates as Porous Material using Calorimetric (DSC) Method

AU - Fopah Lele, Armand

AU - Korhammer, Kathrin

AU - Wegscheider, Nina

AU - Rammelberg, Holger

AU - Schmidt, Thomas

AU - Ruck, Wolfgang

N1 - Conference code: 8

PY - 2013/6/20

Y1 - 2013/6/20

N2 - The effective thermal conductivity of calcium chloride was measured and its value was increased by two and around three times when impregnating Expanded Vermiculite and Silica Gel with calcium chloride with standard uncertainty ±0.004%. The porous matrix was fabricated by taking Silica Gel / Expanded Vermiculite that had been soaked in a bath of calcium chloride solution with a salt concentration of 40 wt% and then heat-treated at 200 °C. The properties of the porous materials were measured using the heat flux DSC for particles size of 0 – 3 mm in the temperature range from 100 °C to 200 °C. These are small samples having a diameter less than 5.0 mm, a height less than 4.25 mm and a low thermal conductivity. In the studied properties, we focus on thermal conductivity, the obtained values were presented as function of the porosity range values. The performance of the salt-composite widely demonstrated nowadays, will be used in a heat storage system for households application. However, some problems related to the heat loss and open system have not allowed to observe the accurate thermal resistance as expected. Some avenues are explored prior to a new and more appropriate design and eventually a new operating mode.

AB - The effective thermal conductivity of calcium chloride was measured and its value was increased by two and around three times when impregnating Expanded Vermiculite and Silica Gel with calcium chloride with standard uncertainty ±0.004%. The porous matrix was fabricated by taking Silica Gel / Expanded Vermiculite that had been soaked in a bath of calcium chloride solution with a salt concentration of 40 wt% and then heat-treated at 200 °C. The properties of the porous materials were measured using the heat flux DSC for particles size of 0 – 3 mm in the temperature range from 100 °C to 200 °C. These are small samples having a diameter less than 5.0 mm, a height less than 4.25 mm and a low thermal conductivity. In the studied properties, we focus on thermal conductivity, the obtained values were presented as function of the porosity range values. The performance of the salt-composite widely demonstrated nowadays, will be used in a heat storage system for households application. However, some problems related to the heat loss and open system have not allowed to observe the accurate thermal resistance as expected. Some avenues are explored prior to a new and more appropriate design and eventually a new operating mode.

KW - Energy research

KW - Thermal conductivity

KW - heat storage system heating cooling working fluid

KW - Engineering

KW - Chemistry

KW - Verfahrenstechnik

M3 - Article in conference proceedings

SN - 978-972-8620-23-3

SN - 972-8620-23-3

VL - Proceedings ExHFT8

BT - 8th World Conference on Experimental Heat Transfer, Fluid Mechanics, and Thermodynamics

A2 - Coelho, P. J.

A2 - Costa, M.

PB - A. Faria - Edicia Electronica Lda

T2 - 8th World Conference on Experimental Heat Transfer, Fluid Mechanics, and Thermodynamics - 2013

Y2 - 16 June 2013 through 20 June 2013

ER -