Zobrazeno 1 - 10
of 111
pro vyhledávání: '"Bošković-Vragolović Nevenka"'
Autor:
Bošković-Vragolović Nevenka M., Brzić Danica V., Šućurović Katarina S., Pjanović Rada V., Jaćimovski Darko R., Garić-Grulović Radmila V.
Publikováno v:
Hemijska Industrija, Vol 78, Iss 3, Pp 147-159 (2024)
Adsorption method has been used for flow visualisation and determination of the local and average mass transfer coefficients around a horizontal cylinder in a liquid-solid fluidized bed. The obtained concentration fields on the adsorbent (silica-foil
Externí odkaz:
https://doaj.org/article/62155aead9d34565bdc38dd10919bf5e
Autor:
Jaćimovski Darko, Šućurović Katarina, Đuriš Mihal, Arsenijević Zorana, Krstić Sanja, Bošković-Vragolović Nevenka
Publikováno v:
Journal of the Serbian Chemical Society, Vol 88, Iss 9, Pp 905-919 (2023)
In this work, the coefficient of fluid-wall mass transfer in an inverse fluidized bed was determined using the adsorption method. The experiments were carried out in a column with a diameter of 45 mm with spherical and non-spherical particles of poly
Externí odkaz:
https://doaj.org/article/7e1ad868ba0d4feea18467f657e16997
Autor:
Jaćimovski Darko R., Brzić Danica V., Garić-Grulović Radmila V., Pjanović Rada V., Đuriš Mihal M., Arsenijević Zorana Lj., Bošković-Vragolović Nevenka M.
Publikováno v:
Journal of the Serbian Chemical Society, Vol 87, Iss 7-8, Pp 911-924 (2022)
In this work the theoretical model for heat transfer from a wall to a liquid-solid fluidized bed by liquid convective mechanism has been proposed and developed. The model is based on thickness of boundary layer and film theory. The key parameter in t
Externí odkaz:
https://doaj.org/article/04b3a86f807c4b0590edc14ded8315f0
Autor:
Zdravković Jasmina M., Pavlović Nenad V., Bošković-Vragolović Nevenka M., Moravčević Đorđe Ž., Šević Milan M.
Publikováno v:
Food and Feed Research, Vol 44, Iss 2, Pp 133-142 (2017)
The aim of this study was to find an optimal way of tomato drying in a tunnel type dryer, in order to achieve the lowest possible losses in nutritive value of dried tomato products. Domestic variety of tomato (SP-109) was used in this research. Dryin
Externí odkaz:
https://doaj.org/article/bf54db332b3a4dffa56effc56e7e12c4
Autor:
Kaluđerović-Radoičić Tatjana, Bošković-Vragolović Nevenka, Garić-Grulović Radmila, Đuriš Mihal, Grbavčić Željko
Publikováno v:
Chemical Industry and Chemical Engineering Quarterly, Vol 23, Iss 1, Pp 57-66 (2017)
The aim of this work was the experimental evaluation of different friction factor correlations for water flow through packed beds of spherical and non-spherical particles at ambient temperature. The experiments were performed by measuring the pressur
Externí odkaz:
https://doaj.org/article/133817b2649d45ab8486996cdfc64ca0
Autor:
Marković Miljana S., Bošković-Vragolović Nevenka M., Ristić Mihailo S., Pavićević Vladimir P., Veljković Vlada B., Milojević Svetomir Ž.
Publikováno v:
Hemijska Industrija, Vol 71, Iss 6, Pp 471-477 (2017)
This paper deals with fractionation of the essential oil from juniper (Juniperus communis L.) berries by hydrodistillation (HD) and simultaneous hydrodistillation and rectification (SHDR) at atmospheric pressure. A rectification column was filled wit
Externí odkaz:
https://doaj.org/article/98e61de28cbe4d528f9fd9dabb74dc23
Autor:
Pešić Radojica, Kaluđerović-Radoičić Tatjana, Bošković-Vragolović Nevenka, Arsenijević Zorana, Grbavčić Željko
Publikováno v:
Chemical Industry and Chemical Engineering Quarterly, Vol 21, Iss 3, Pp 419-427 (2015)
The aim of this work was the experimental investigation of the particle friction factor for air flow through packed bed of particles at ambient and elevated temperatures. The experiments were performed by measuring the pressure drop across the pac
Externí odkaz:
https://doaj.org/article/b18c7ef378434d4697bcd6bd1ce07720
Autor:
Pravilović Radoslava N., Radunović Vesna S., Bošković-Vragolović Nevenka M., Bugarski Branko M., Pjanović Rada V.
Publikováno v:
Hemijska Industrija, Vol 69, Iss 4, Pp 347-353 (2015)
Polyphenols are compound which are widely studied because of their antioxidative and potential therapeutic properties. Systems for the controlled release of drugs offer a number of benefits comparing with traditional forms of medicines and because
Externí odkaz:
https://doaj.org/article/50c0484e5fb54c608cea8e20568fbfb7
Autor:
Đeković-Šević Milica, Bošković-Vragolović Nevenka, Takić Ljiljana, Garić-Grulović Radmila, Pejanović Srđan
Publikováno v:
Hemijska Industrija, Vol 69, Iss 5, Pp 553-559 (2015)
Experimental investigation of gas-liquid mass transfer of ozone in water, in bubble column with two-fluid nozzle gas distributor (BKDM), under different operating conditions, are presented in this work. The main objective was to determine the ozon
Externí odkaz:
https://doaj.org/article/f70c334eefc14f70a8139318bccee5e9
Autor:
Jaćimovski Darko R., Garić-Grulović Radmila V., Grbavčić Željko B., Đuriš Mihal M., Bošković-Vragolović Nevenka M.
Publikováno v:
Hemijska Industrija, Vol 68, Iss 1, Pp 15-25 (2014)
Wall-to-bed momentum, heat and mass transfer in vertical liquid-solids flow, as well as in single phase flow, were studied. The aim of this investigation was to establish the analogy among those phenomena. Also, effect of particles concentration on m
Externí odkaz:
https://doaj.org/article/aaf164d203314b07b992e09694d0b0d9