Zobrazeno 1 - 10
of 35
pro vyhledávání: '"Alfran Tellechea Martini"'
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:
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:
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:
Alfran Tellechea Martini, Luis Antonio de Avila, Edinalvo Rabaioli Camargo, Diogo Balbé Helgueira, Marlon Ouriques Bastiani, Alci Enimar Loeck
Publikováno v:
Ciência Rural, Vol 46, Iss 9, Pp 1678-1682 (2016)
ABSTRACT: Despite all advances obtained with the pesticide use worldwide and in Brazilian agriculture, there is still a lack of technologies for agricultural aircrafts. The objective of this study was to evaluate the drift produced by the use of coni
Externí odkaz:
https://doaj.org/article/ffaab05b4e8b42a9a8ccaba7c040ceac
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
Autor:
Javier Solis Estrada, José Fernando Schlosser, Marcelo Silveira de Farias, Fabrício Azevedo Rodrigues, Alfran Tellechea Martini, Gustavo Oliveira dos Santos
Publikováno v:
Ciência Rural, Vol 46, Iss 7, Pp 1200-1205 (2016)
ABSTRACT: This research evaluated the performance of a diesel engine in an agricultural tractor, using Diesel S500 (B5) and mixture with 3% (ED3), 6% (ED6), 9% (ED9), 12% (ED12) and 15% (ED15) of hydrous ethanol. Variables evaluated were the power, t
Externí odkaz:
https://doaj.org/article/90c6dd39a07d4721a852afd306b9080e
Autor:
Marcelo Silveira de Farias, José Fernando Schlosser, Javier Solis Estrada, Alfran Tellechea Martini, Juan Paulo Barbieri
Publikováno v:
Ciência Rural, Vol 45, Iss 5, Pp 939-942 (2015)
Nos últimos anos, a oferta de pulverizadores autopropelidos no mercado brasileiro aumentou, principalmente para suprir a demanda de agricultores que possuem grandes extensões de áreas, nas quais se requer um alto ritmo operacional. Neste trabalho,
Externí odkaz:
https://doaj.org/article/5b95eb2385c34c76b64cad14a54fdb01
Autor:
André da Rosa Ulguim, Dirceu Agostinetto, Alfran Tellechea Martini, Nixon da Rosa Westendorff, Ana Cláudia Langaro
Publikováno v:
Pesquisa Agropecuária Gaúcha, Vol 19, Iss 1/2, Pp 16-23 (2013)
O trigo (Triticum aestivum L.) é a cultura de maior importância econômica entre os cereais de inverno. Realizaram-se dois experimentos para avaliar o efeito do tratamento de sementes com fungicidas no atraso da emergência da cultura e a influênc
Externí odkaz:
https://doaj.org/article/9b3cbd19ac5a4960b8761f9028b0127d
Autor:
Marcelo Silveira de Farias, José Fernando Schlosser, Alfran Tellechea Martini, Gustavo Oliveira dos Santos, Javier Solis Estrada
Publikováno v:
Ciência Rural, Vol 47, Iss 6
ABSTRACT: This paper aimed to evaluate the performance of a Diesel cycle engine, changing the configurations for the air and fuel supply system. Variables analyzed were torque, power, specific fuel consumption and thermal efficiency in four different
Externí odkaz:
https://doaj.org/article/d406197113ed4430bd491e817dd1959d