Determination of moisture diffusivity and activation energy on fixed bed drying of red pepper (Capsicum annum) on convective solar drying
Moisture diffusivity and activation energy are two important variables in a drying process to understand a certain product's drying behavior. This study aimed to determine the value of effective moisture diffusivity and the activation energy of red pepper in a conventional forced convective dry...
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| Format: | Article |
| Language: | English |
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Universitas Brawijaya, Fakultas Teknologi Pertanian
2021-12-01
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| Series: | Advances in Food Science, Sustainable Agriculture, and Agroindustrial Engineering |
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| Online Access: | https://afssaae.ub.ac.id/index.php/afssaae/article/view/113/97 |
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| author | Siti Asmaniyah Mardiyani Sumardi Hadi Sumarlan Bambang Dwi Argo Amin Setyo Leksono |
| author_facet | Siti Asmaniyah Mardiyani Sumardi Hadi Sumarlan Bambang Dwi Argo Amin Setyo Leksono |
| author_sort | Siti Asmaniyah Mardiyani |
| collection | DOAJ |
| description | Moisture diffusivity and activation energy are two important variables in a drying process to understand a certain product's drying behavior. This study aimed to determine the value of effective moisture diffusivity and the activation energy of red pepper in a conventional forced convective drying based on electricity (conventional convective drying/CCD) and forced convective drying based on solar energy (convective solar drying/CSD). The value of effective moisture diffusivity was determined using the equation, which refers to Fick’s second law. The Arrhenius equation determines the activation energy value as a model of the relationship of inverse temperature and the normal logarithmic value of effective moisture diffusivity. The results showed that the values of effective moisture diffusivity of CCD 70 °C were the highest. The regression analysis between the drying layers (X), and effective moisture diffusivity (Y) showed a polynomial pattern with a coefficient determination R2 value of 0.85 (CCD 70 °C), 0.81 (CCD 60 °C), 0.88 (CCD 50 °C), and 0.48 (CSD). (R2) The higher moisture diffusivity values in CCD indicated that the drying systems are more stable than CSD. The drying activation energy calculation showed that the value of CCD's activation energy was 36.36 kJ/mol.K, while the value of CSD's activation energy was 31.28 kJ/mol.K. Those results were consistent with the results of the previous studies. |
| first_indexed | 2024-03-13T03:38:23Z |
| format | Article |
| id | doaj.art-57931f9b06e44465a84abe448d0f3728 |
| institution | Directory Open Access Journal |
| issn | 2622-5921 |
| language | English |
| last_indexed | 2024-03-13T03:38:23Z |
| publishDate | 2021-12-01 |
| publisher | Universitas Brawijaya, Fakultas Teknologi Pertanian |
| record_format | Article |
| series | Advances in Food Science, Sustainable Agriculture, and Agroindustrial Engineering |
| spelling | doaj.art-57931f9b06e44465a84abe448d0f37282023-06-23T12:56:39ZengUniversitas Brawijaya, Fakultas Teknologi PertanianAdvances in Food Science, Sustainable Agriculture, and Agroindustrial Engineering2622-59212021-12-014211011610.21776/ub.afssaae.2021.004.02.4Determination of moisture diffusivity and activation energy on fixed bed drying of red pepper (Capsicum annum) on convective solar dryingSiti Asmaniyah Mardiyani0Sumardi Hadi Sumarlan1Bambang Dwi Argo2Amin Setyo Leksono3University of Islam MalangBrawijaya UniversityBrawijaya UniversityBrawijaya UniversityMoisture diffusivity and activation energy are two important variables in a drying process to understand a certain product's drying behavior. This study aimed to determine the value of effective moisture diffusivity and the activation energy of red pepper in a conventional forced convective drying based on electricity (conventional convective drying/CCD) and forced convective drying based on solar energy (convective solar drying/CSD). The value of effective moisture diffusivity was determined using the equation, which refers to Fick’s second law. The Arrhenius equation determines the activation energy value as a model of the relationship of inverse temperature and the normal logarithmic value of effective moisture diffusivity. The results showed that the values of effective moisture diffusivity of CCD 70 °C were the highest. The regression analysis between the drying layers (X), and effective moisture diffusivity (Y) showed a polynomial pattern with a coefficient determination R2 value of 0.85 (CCD 70 °C), 0.81 (CCD 60 °C), 0.88 (CCD 50 °C), and 0.48 (CSD). (R2) The higher moisture diffusivity values in CCD indicated that the drying systems are more stable than CSD. The drying activation energy calculation showed that the value of CCD's activation energy was 36.36 kJ/mol.K, while the value of CSD's activation energy was 31.28 kJ/mol.K. Those results were consistent with the results of the previous studies. https://afssaae.ub.ac.id/index.php/afssaae/article/view/113/97activationdiffusivitydryingmoisture |
| spellingShingle | Siti Asmaniyah Mardiyani Sumardi Hadi Sumarlan Bambang Dwi Argo Amin Setyo Leksono Determination of moisture diffusivity and activation energy on fixed bed drying of red pepper (Capsicum annum) on convective solar drying Advances in Food Science, Sustainable Agriculture, and Agroindustrial Engineering activation diffusivity drying moisture |
| title | Determination of moisture diffusivity and activation energy on fixed bed drying of red pepper (Capsicum annum) on convective solar drying |
| title_full | Determination of moisture diffusivity and activation energy on fixed bed drying of red pepper (Capsicum annum) on convective solar drying |
| title_fullStr | Determination of moisture diffusivity and activation energy on fixed bed drying of red pepper (Capsicum annum) on convective solar drying |
| title_full_unstemmed | Determination of moisture diffusivity and activation energy on fixed bed drying of red pepper (Capsicum annum) on convective solar drying |
| title_short | Determination of moisture diffusivity and activation energy on fixed bed drying of red pepper (Capsicum annum) on convective solar drying |
| title_sort | determination of moisture diffusivity and activation energy on fixed bed drying of red pepper capsicum annum on convective solar drying |
| topic | activation diffusivity drying moisture |
| url | https://afssaae.ub.ac.id/index.php/afssaae/article/view/113/97 |
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