Determination of thermophysical properties of cupuassu (Theobroma grandiflorum) dry almonds
In comparison to cocoa, little has been reported on the drying of cupuassu almonds that can be used to produce cupulate, a chocolate type product. Thus, in this study thermophysical properties of cupuassu dry almonds (moisture = 9.68 % d.b.) were determined as: thermal conductivity (k) of 0.14 kW/(...
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| Format: | Article |
| Language: | English |
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Universidade Federal de Viçosa (UFV)
2021-04-01
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| Series: | The Journal of Engineering and Exact Sciences |
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| Online Access: | https://periodicos.ufv.br/jcec/article/view/11955 |
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| author | Elisa Santana Cunha Geovana Pires Araújo Lima Jorge Henrique Oliveira Sales Elizama Aguiar de Oliveira |
| author_facet | Elisa Santana Cunha Geovana Pires Araújo Lima Jorge Henrique Oliveira Sales Elizama Aguiar de Oliveira |
| author_sort | Elisa Santana Cunha |
| collection | DOAJ |
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In comparison to cocoa, little has been reported on the drying of cupuassu almonds that can be used to produce cupulate, a chocolate type product. Thus, in this study thermophysical properties of cupuassu dry almonds (moisture = 9.68 % d.b.) were determined as: thermal conductivity (k) of 0.14 kW/(m.K), specific heat (cp) of 2.86 kJ/(kg.K), thermal diffusivity (?) of 4.8·10-5 m²/s, effective diffusivity (Deff) of 9.94·10-10 - 6.29·10-10 m²/s and activation energy (Ea) of 14.90 kJ/mol. These results showed a similarity of values between cupuassu and cocoa and allows to perform more specific studies for the development of dryers for the cupuassu almonds.
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| format | Article |
| id | doaj-art-7761d44565184357af07970ec566b356 |
| institution | Kabale University |
| issn | 2527-1075 |
| language | English |
| publishDate | 2021-04-01 |
| publisher | Universidade Federal de Viçosa (UFV) |
| record_format | Article |
| series | The Journal of Engineering and Exact Sciences |
| spelling | doaj-art-7761d44565184357af07970ec566b3562025-02-02T19:57:12ZengUniversidade Federal de Viçosa (UFV)The Journal of Engineering and Exact Sciences2527-10752021-04-017210.18540/jcecvl7iss2pp11955-01-12eDetermination of thermophysical properties of cupuassu (Theobroma grandiflorum) dry almondsElisa Santana Cunha0Geovana Pires Araújo Lima1Jorge Henrique Oliveira Sales2Elizama Aguiar de Oliveira3State University of Santa Cruz (UESC)State University of Santa Cruz (UESC)State University of Santa Cruz (UESC)State University of Santa Cruz (UESC) In comparison to cocoa, little has been reported on the drying of cupuassu almonds that can be used to produce cupulate, a chocolate type product. Thus, in this study thermophysical properties of cupuassu dry almonds (moisture = 9.68 % d.b.) were determined as: thermal conductivity (k) of 0.14 kW/(m.K), specific heat (cp) of 2.86 kJ/(kg.K), thermal diffusivity (?) of 4.8·10-5 m²/s, effective diffusivity (Deff) of 9.94·10-10 - 6.29·10-10 m²/s and activation energy (Ea) of 14.90 kJ/mol. These results showed a similarity of values between cupuassu and cocoa and allows to perform more specific studies for the development of dryers for the cupuassu almonds. https://periodicos.ufv.br/jcec/article/view/11955Fick’s modelFourier's lawCooling curveDrying curveWeibull's model |
| spellingShingle | Elisa Santana Cunha Geovana Pires Araújo Lima Jorge Henrique Oliveira Sales Elizama Aguiar de Oliveira Determination of thermophysical properties of cupuassu (Theobroma grandiflorum) dry almonds The Journal of Engineering and Exact Sciences Fick’s model Fourier's law Cooling curve Drying curve Weibull's model |
| title | Determination of thermophysical properties of cupuassu (Theobroma grandiflorum) dry almonds |
| title_full | Determination of thermophysical properties of cupuassu (Theobroma grandiflorum) dry almonds |
| title_fullStr | Determination of thermophysical properties of cupuassu (Theobroma grandiflorum) dry almonds |
| title_full_unstemmed | Determination of thermophysical properties of cupuassu (Theobroma grandiflorum) dry almonds |
| title_short | Determination of thermophysical properties of cupuassu (Theobroma grandiflorum) dry almonds |
| title_sort | determination of thermophysical properties of cupuassu theobroma grandiflorum dry almonds |
| topic | Fick’s model Fourier's law Cooling curve Drying curve Weibull's model |
| url | https://periodicos.ufv.br/jcec/article/view/11955 |
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