The objective of this work was to determine the thermophysical and transport properties of Hancornia speciosa G. (“mangaba”), Annona muricata L. (“graviola”), Eugenia uniflora Berg (“pitanga”) pulps. The following properties were evaluated: thermal diffusivity, thermal conductivity, heat capacity, density and coefficient of thermal expansion. Rheological properties were determined and adjusted to three models. The effect of temperature on the rheological behavior was also evaluated. The pulps were further characterized in relation to humidity, ºBrix, water activity, surface tension, pH and total acidity. The results indicated agreement with literature in relation to thermophysical and transport properties, and the pulps presented a pseudoplastic behavior. Temperature influenced the pulps properties in different aspects: higher effect on the coefficient of thermal expansion of mangaba pulp, higher effect on the rheological behavior of pitanga pulp. The results presented an important advance for the knowledge of food fluids, being necessary for the processing of these materials.
Published in | European Journal of Biophysics (Volume 5, Issue 5) |
DOI | 10.11648/j.ejb.20170505.11 |
Page(s) | 79-88 |
Creative Commons |
This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited. |
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Copyright © The Author(s), 2017. Published by Science Publishing Group |
Tropical Exotic Pulps, Modeling, Thermophysical and Transport Properties, Rheological Behavior
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APA Style
Magdiely Stefanes de Santana Varela, Gabriela Cecília Remigio Pitombeira, Ana Cláudia Nascimento Silva, Camila Gambini Pereira. (2017). Determination and Modeling of Thermophysical and Transport Properties of Tropical Pulps. European Journal of Biophysics, 5(5), 79-88. https://doi.org/10.11648/j.ejb.20170505.11
ACS Style
Magdiely Stefanes de Santana Varela; Gabriela Cecília Remigio Pitombeira; Ana Cláudia Nascimento Silva; Camila Gambini Pereira. Determination and Modeling of Thermophysical and Transport Properties of Tropical Pulps. Eur. J. Biophys. 2017, 5(5), 79-88. doi: 10.11648/j.ejb.20170505.11
AMA Style
Magdiely Stefanes de Santana Varela, Gabriela Cecília Remigio Pitombeira, Ana Cláudia Nascimento Silva, Camila Gambini Pereira. Determination and Modeling of Thermophysical and Transport Properties of Tropical Pulps. Eur J Biophys. 2017;5(5):79-88. doi: 10.11648/j.ejb.20170505.11
@article{10.11648/j.ejb.20170505.11, author = {Magdiely Stefanes de Santana Varela and Gabriela Cecília Remigio Pitombeira and Ana Cláudia Nascimento Silva and Camila Gambini Pereira}, title = {Determination and Modeling of Thermophysical and Transport Properties of Tropical Pulps}, journal = {European Journal of Biophysics}, volume = {5}, number = {5}, pages = {79-88}, doi = {10.11648/j.ejb.20170505.11}, url = {https://doi.org/10.11648/j.ejb.20170505.11}, eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ejb.20170505.11}, abstract = {The objective of this work was to determine the thermophysical and transport properties of Hancornia speciosa G. (“mangaba”), Annona muricata L. (“graviola”), Eugenia uniflora Berg (“pitanga”) pulps. The following properties were evaluated: thermal diffusivity, thermal conductivity, heat capacity, density and coefficient of thermal expansion. Rheological properties were determined and adjusted to three models. The effect of temperature on the rheological behavior was also evaluated. The pulps were further characterized in relation to humidity, ºBrix, water activity, surface tension, pH and total acidity. The results indicated agreement with literature in relation to thermophysical and transport properties, and the pulps presented a pseudoplastic behavior. Temperature influenced the pulps properties in different aspects: higher effect on the coefficient of thermal expansion of mangaba pulp, higher effect on the rheological behavior of pitanga pulp. The results presented an important advance for the knowledge of food fluids, being necessary for the processing of these materials.}, year = {2017} }
TY - JOUR T1 - Determination and Modeling of Thermophysical and Transport Properties of Tropical Pulps AU - Magdiely Stefanes de Santana Varela AU - Gabriela Cecília Remigio Pitombeira AU - Ana Cláudia Nascimento Silva AU - Camila Gambini Pereira Y1 - 2017/12/19 PY - 2017 N1 - https://doi.org/10.11648/j.ejb.20170505.11 DO - 10.11648/j.ejb.20170505.11 T2 - European Journal of Biophysics JF - European Journal of Biophysics JO - European Journal of Biophysics SP - 79 EP - 88 PB - Science Publishing Group SN - 2329-1737 UR - https://doi.org/10.11648/j.ejb.20170505.11 AB - The objective of this work was to determine the thermophysical and transport properties of Hancornia speciosa G. (“mangaba”), Annona muricata L. (“graviola”), Eugenia uniflora Berg (“pitanga”) pulps. The following properties were evaluated: thermal diffusivity, thermal conductivity, heat capacity, density and coefficient of thermal expansion. Rheological properties were determined and adjusted to three models. The effect of temperature on the rheological behavior was also evaluated. The pulps were further characterized in relation to humidity, ºBrix, water activity, surface tension, pH and total acidity. The results indicated agreement with literature in relation to thermophysical and transport properties, and the pulps presented a pseudoplastic behavior. Temperature influenced the pulps properties in different aspects: higher effect on the coefficient of thermal expansion of mangaba pulp, higher effect on the rheological behavior of pitanga pulp. The results presented an important advance for the knowledge of food fluids, being necessary for the processing of these materials. VL - 5 IS - 5 ER -