Zobrazeno 1 - 10
of 84
pro vyhledávání: '"Marcelo Silveira de Farias"'
Autor:
Gilvan Moisés Bertollo, José Fernando Schlosser, Rovian Bertinatto, Alfran Tellechea Martini, Marcelo Silveira de Farias
Publikováno v:
Ciência Rural, Vol 54, Iss 6 (2023)
ABSTRACT: Controlled machinery traffic is a technique to increase the efficiency of machines and make better use of inputs. This study evaluated the pollutant gas emissions of an agricultural tractor towing a precision seeder-fertilizer with differen
Externí odkaz:
https://doaj.org/article/90c111386ee34ec9946a18ff0666840b
Autor:
Franco da Silveira, Filipe Molinar Machado, Marcelo Silveira de Farias, José Fernando Schlosser
Publikováno v:
Ciência Rural, Vol 53, Iss 5 (2022)
ABSTRACT: Most energy used to operate agricultural machines in the field is generated from fossil fuel combustion. The combustion process emits atmospheric pollutants, increasing the emission of greenhouse gases (GHGs). In this context, this review i
Externí odkaz:
https://doaj.org/article/37b45fb20920471894c20b7150ee4fad
Autor:
Gismael Francisco Perin, José Fernando Schlosser, Marcelo Silveira de Farias, Gilvan Moisés Bertollo, Alfran Tellechea Martini
Publikováno v:
Ciência Rural, Vol 52, Iss 12 (2022)
ABSTRACT: This research determined the engine warm-up time and the number of tests that must be carried out to obtain the performance parameters of a Diesel cycle engine. To this end, an agricultural tractor coupled to an eddy current dynamometer via
Externí odkaz:
https://doaj.org/article/221157a9ae1c4a02adafbfb8f9e1fe31
Autor:
Gilvan Moisés Bertollo, José Fernando Schlosser, Rovian Bertinatto, Marcelo Silveira de Farias, Alfran Tellechea Martini, Gustavo Oliveira dos Santos
Publikováno v:
Agrarian, Vol 12, Iss 46, Pp 479-486 (2020)
O deslocamento aleatório das máquinas pode gerar maior distância e tempo para executar as operações agrícolas, consumo de combustível, patinamento, além de dificultar a regulagem das semeadoras, principalmente na escolha do sulcador adequado.
Externí odkaz:
https://doaj.org/article/5db5b6cc4ffc4e7c8ca07923259069f6
Autor:
José Antonio Sala, José Fernando Schlosser, Marcelo Silveira de Farias, Gilvan Moisés Bertollo, Daniela Herzog
Publikováno v:
Ciência Rural, Vol 52, Iss 8 (2022)
ABSTRACT: The present study aimed to evaluate the particulate emissions in a Diesel engine with an electronic injection system using different biodiesel blends and variations in the fuel injection point and volume, comparing it with the MAR-1 standar
Externí odkaz:
https://doaj.org/article/0b36150b018e4880a2cca6b9083e7739
Autor:
José Fernando Schlosser, Marcelo Silveira de Farias, Gilvan Moisés Bertollo, Alexandre Russini, Daniela Herzog, Leonardo Casali
Publikováno v:
Revista Ciência Agronômica, Vol 51, Iss spe (2021)
ABSTRACT Agricultural tractors have undergone significant changes in the last two decades promoted by precision agriculture and Agriculture 4.0. This review article collects data on the current status and future prospects of the use of artificial int
Externí odkaz:
https://doaj.org/article/dac5d655cda4414d89b77c58fddff2d2
Autor:
Marcelo Silveira de Farias, José Fernando Schlosser, Javier Solis Estrada, Gismael Francisco Perin, Alfran Tellechea Martini
Publikováno v:
Semina: Ciências Agrárias, Vol 40, Iss 1, Pp 7-16 (2019)
The growing global demand of energy, the decrease of petroleum reserves and the current of environmental contamination problems, make it imperative to study renewable energy sources for use in internal combustion engines, in order to decrease the dep
Externí odkaz:
https://doaj.org/article/674a779e7c984091b61affe550010d17
Autor:
Edgar Salis Brasil Neto, Alexandre Russini, Lúcio de Paula Amaral, Paulo Jorge de Pinho, Marcelo Silveira de Farias, Robson Giacomeli
Publikováno v:
Ciência Rural, Vol 51, Iss 6 (2021)
ABSTRACT: This study determined the spatial variability of soil penetration resistance and yield of the soybean crop in lowland areas. The soil resistance to penetration at four different depths (0 to 0.10 m; 0.11 to 0.20 m; 0.21 to 0.30 m and 0.31 t
Externí odkaz:
https://doaj.org/article/e151bc4a85574b179a6cd6b99711d3fb
Autor:
Daniela Herzog, José Fernando Schlosser, Rovian Bertinatto, Marcelo Silveira de Farias, Leonardo Casali
Publikováno v:
Ciência Rural, Vol 51, Iss 3 (2021)
ABSTRACT: In a tractor, the transmission system transmits the power generated in the engine to the driving wheels, hydraulic systems, and power take-off (PTO). There are several types of transmission systems available in the Brazilian market ranging
Externí odkaz:
https://doaj.org/article/2eb66cc32586482fb5e5369f48435db4
Autor:
Javier Solis Estrada, José Fernando Schlosser, Marcelo Silveira de Farias, Alfran Tellechea Martini, Gustavo Oliveira dos Santos
Publikováno v:
Ciência Rural, Vol 46, Iss 8, Pp 1390-1394 (2016)
ABSTRACT: Currently, manufacturers of agricultural tractors offer to farmers a diversity of brands, models, and settings for the most diverse agricultural operations. In this sense, the relation mass/power of tractor influences directly in the perfor
Externí odkaz:
https://doaj.org/article/5052c32e3e4f43a7b2e7be7afcc19841