Effect of Moisture, Bulk Density and Temperature on Thermal Conductivity of Ground Cocoa Beans And Ground Sheanut Kernels

Effect of Moisture, Bulk Density and Temperature on Thermal Conductivity of Ground Cocoa Beans And Ground Sheanut Kernels

abartp

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Dr. A. Bart-Plange

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A. Addo

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S. K. Amponsah

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J. Ampah

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Kwame Nkrumah University of Science and Technology

Effect of Moisture, Bulk Density and Temperature on Thermal Conductivity of Ground Cocoa Beans And Ground Sheanut Kernels

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Abstract

Thermal conductivity is an important engineering parameter in the design of food processing equipment. It predicts or controls the heat flux in food during processing such as cooking, frying, freezing, sterilization, drying or pasteurization. The thermal conductivity of ground cocoa beans and ground sheanut kernels with varying moisture content, bulk density and temperature was studied using the transient heat transfer method. The thermal conductivity increased linearly for ground cocoa beans sample from 0.0243 to 0.0311 W/oCm and for ground sheanut kernels from 0.0165 to 0.0458 W/oCm in the moisture content range of 12.59 to 43.84 % w.b. at a constant bulk density of 295 kg/m3. For bulk density range of 322 to 410 kg/m3, thermal conductivity of ground cocoa beans and ground sheanut kernel increased linearly from 0.0265 to 0.0324 W/oCm and 0.0209 to 0.0252 W/oCm respectively when moisture content was at 16 % w.b Thermal conductivity of ground sheanut kernel and ground cocoa beans increased significantly (p0.05).

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Funding

No external funding was declared for this work.

Conflict of Interest

The authors declare no conflict of interest.

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How to Cite This Article

abartp. 2012. \u201cEffect of Moisture, Bulk Density and Temperature on Thermal Conductivity of Ground Cocoa Beans And Ground Sheanut Kernels\u201d. Global Journal of Science Frontier Research - D: Agriculture & Veterinary GJSFR-D Volume 12 (GJSFR Volume 12 Issue D7).

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GJSFR Volume 12 Issue D7

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Journal Specifications

Crossref Journal DOI 10.17406/GJSFR

Print ISSN 0975-5896

e-ISSN 2249-4626

Keywords

bulk density cocoa beans kernels moisture content sheanut temperature Thermal conductivity

Submission ReceivedMay 16, 2012
Peer Review Double Blind
Handling Editor
Accepted June 12, 2012
Published June 24, 2012

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v1.2

Issue date

August 17, 2012

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Article Matrices

Total Score: 109

Country: Ghana

Subject: Global Journal of Science Frontier Research - D: Agriculture & Veterinary

Authors: Dr. A. Bart-Plange, A. Addo, S. K. Amponsah, J. Ampah (PhD/Dr. count: 1)

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Total Downloads: 2724

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