Zobrazeno 1 - 9
of 9
pro vyhledávání: '"Petru Cârdei"'
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
Publikováno v:
Journal of Engineering Studies and Research, Vol 29, Iss 4 (2024)
The article describes the results of the research carried out for the systemic description of the manufacturing technological processes of composite materials with clay matrix and insert from agricultural waste. The objectives of these researches inc
Externí odkaz:
https://doaj.org/article/a0af7c7535644f86bc8bda2319650a55
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
Publikováno v:
Journal of Engineering Studies & Research; 2023, Vol. 29 Issue 4, p57-68, 12p
Autor:
Nicolae Constantin, Valentin VladuŃ, Eugen Marin, Petru Cârdei, Mircea Bădescu, Alexandros Alexiou
Publikováno v:
International Journal of Geology. 15:25-29
The paper presents a point of view on the main sources that can generate some optimal points in the energy field of the agricultural machines working processes. It looks like a possible source of the existence of optimal points in the energetic field
Publikováno v:
Journal of Applied Life Sciences and Environment, Vol 55, Iss 2(190), Pp 159-165 (2023)
This article presents complementary results on experimental data on the process of reducing the size of plant biomass by mechanical cutting. According to the source of the experimental data, the problem of statistical modelling of the main parameters
Externí odkaz:
https://doaj.org/article/52f1228558b846cb9a262d2ebc72e7b3
Autor:
Petru Cardei, Nicolae Constantin, Vergil Muraru, Catalin Persu, Raluca Sfiru, Nicolae-Valentin Vladut, Nicoleta Ungureanu, Mihai Matache, Cornelia Muraru-Ionel, Oana-Diana Cristea, Evelin-Anda Laza
Publikováno v:
Agriculture, Vol 13, Iss 8, p 1565 (2023)
The article continues the exposition of the results obtained in researching an agricultural machine for processing soil, designed for research with applications including exploitation. The MCLS (complex machine for soil tillage) was designed to resea
Externí odkaz:
https://doaj.org/article/87c68ea7a4a844e29a8830c8db2cc3e5
Publikováno v:
Bulletin of the University of Agricultural Sciences & Veterinary Medicine Cluj-Napoca. Agriculture; 2011, Vol. 68 Issue 1, p333-338, 6p
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