Zobrazeno 1 - 10
of 49
pro vyhledávání: '"Dan CUJBESCU"'
Autor:
Iuliana Găgeanu, Gabriel Gheorghe, Cătălin Persu, Nicolae-Valentin Vlăduț, Dan Cujbescu, Mihai Gabriel Matache, Iulian Voicea, George-Cătălin Ion, Ana-Maria Tăbărașu, Sorin Petruț Boruz, Lorena-Diana Popa
Publikováno v:
Applied Sciences, Vol 13, Iss 17, p 9927 (2023)
This paper presents theoretical and experimental research on the process of calibrating corn seeds using a specialized equipment with cylindrical sieves, studying the influence of process parameters and corn seed particularities on the quality of the
Externí odkaz:
https://doaj.org/article/721d9f5fe36848589e01b670ef13b85a
Autor:
Dan Cujbescu, Florin Nenciu, Cătălin Persu, Iuliana Găgeanu, Gheorghe Gabriel, Nicolae-Valentin Vlăduț, Mihai Matache, Iulian Voicea, Augustina Pruteanu, Marcel Bularda, Gigel Paraschiv, Sorin Petruț Boruz
Publikováno v:
Applied Sciences, Vol 13, Iss 15, p 8892 (2023)
The current study focuses on analyzing the impact of integrating an optical sorter in a seed-separation technological flow, in terms of increasing the quality of the maize seeds appropriate for sowing. The study showed that there are situations when
Externí odkaz:
https://doaj.org/article/bf472c97e7944bc6a58ef27ccf79d7ed
Autor:
Nicolae-Valentin Vlăduț, Nicoleta Ungureanu, Sorin-Ştefan Biriş, Iulian Voicea, Florin Nenciu, Iuliana Găgeanu, Dan Cujbescu, Lorena-Diana Popa, Sorin Boruz, Gheorghe Matei, Adam Ekielski, Gabriel-Ciprian Teliban
Publikováno v:
Agriculture, Vol 13, Iss 4, p 838 (2023)
Starting from the influencing parameters of threshing and separation and implicit seed losses that occur within this process, this paper searched for and identified the optimal threshing regimes to minimize losses depending on the process parameters.
Externí odkaz:
https://doaj.org/article/e091ca32fd50409badcb1a882c67beb3
Autor:
Nicolae-Valentin Vlăduț, Sorin-Ştefan Biriş, Petru Cârdei, Iuliana Găgeanu, Dan Cujbescu, Nicoleta Ungureanu, Lorena-Diana Popa, Lucian Perişoară, Gheorghe Matei, Gabriel-Ciprian Teliban
Publikováno v:
Agriculture, Vol 12, Iss 10, p 1520 (2022)
The paper presents a mathematical model that characterizes the process of threshing and separation from the threshing machine with an axial flow of a thresher, taking into account the following input parameters: material flow, rotor speed, distance b
Externí odkaz:
https://doaj.org/article/543e103dc4684fcc8405163ae29e36f7
Autor:
Petru Cardei, Florin Nenciu, Nicoleta Ungureanu, Mirabela Augustina Pruteanu, Valentin Vlăduț, Dan Cujbescu, Iuliana Găgeanu, Oana Diana Cristea
Publikováno v:
Applied Sciences, Vol 11, Iss 17, p 8261 (2021)
The aim of the study was to identify new mathematical models and strategies that can characterize the behavior of pollutants accumulating in the soil over time, considering the special characteristics of these chemicals that cannot be degraded or des
Externí odkaz:
https://doaj.org/article/4fd9eaae21334bcdb4d840db5ab41360
Autor:
Dan Cujbescu, Iuliana Găgeanu, Cătălin Persu, Mihai Matache, Valentin Vlăduț, Iulian Voicea, Gigel Paraschiv, Sorin Ștefan Biriș, Nicoleta Ungureanu, Gheorghe Voicu, George Ipate
Publikováno v:
Applied Sciences, Vol 11, Iss 14, p 6264 (2021)
In agrotechnical practice, it was found that between qualitative indices, which express the sowing precision achieved by precision planters determined in the laboratory, and those determined under operating conditions, that there are certain differen
Externí odkaz:
https://doaj.org/article/ae565c901e5b4a77865a0eb57b91369a
Autor:
Iuliana Gageanu, Dan Cujbescu, Catalin Persu, Paula Tudor, Petru Cardei, Mihai Matache, Valentin Vladut, Sorin Biris, Iulian Voicea, Nicoleta Ungureanu
Publikováno v:
Energies, Vol 14, Iss 14, p 4104 (2021)
This paper presents theoretical and experimental research studying the influence of process parameters on the quality of biomass pellets. A validated mathematical model was developed, expressing the density of biomass pellets as determined by moistur
Externí odkaz:
https://doaj.org/article/3c4be0fab4a248688745ce6c50a42a9d
Autor:
George IPATE, Cristian CIOBANU, Paula TUDOR, Iuliana GAGEANU, Dan CUJBESCU, Florentina MANAILA
Publikováno v:
INMATEH Agricultural Engineering. :579-588
The main purpose of this study consisted in the realization of the development model of a decision support system for the cement grinding process in ball mills, including the acquisition, processing and analysis subsystems of data regarding the progr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fedbfde9b7ce8eb79973a8b6c24a377d
https://doi.org/10.35633/inmateh-68-57
https://doi.org/10.35633/inmateh-68-57
Publikováno v:
INMATEH - Agricultural Engineering. 2021, Vol. 65 Issue 3, p391-398. 8p.
Publikováno v:
INMATEH Agricultural Engineering. :41-48
Studies and research carried out on seed meters of precision planters whose operating principle is based on the depression / suction of the air created during the work by the exhauster (vacuum generator) in the vacuum chamber have the role of helping
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7cec4086a0044491c0389ab22f21b0be
https://doi.org/10.35633/inmateh-66-04
https://doi.org/10.35633/inmateh-66-04