Zobrazeno 1 - 10
of 254
pro vyhledávání: '"Tarlei A Botrel"'
Autor:
Dinara Grasiela Alves, Marinaldo Ferreira Pinto, Ana Paula Alves Barreto Damasceno, Conan Ayade Salvador, Ceres Duarte Guedes Cabral de Almeida, Tarlei Arriel Botrel
Publikováno v:
Dyna, Vol 87, Iss 212 (2020)
With the goal of developing an irrigation system with ultra low flow rate (ULF) of 0.2 L h-1, using microtubes with derivation and operating in a laminar regime, this work began by seeking efficient irrigation and low costs. The experiment consisted
Externí odkaz:
https://doaj.org/article/9e876da3682f4dbbaf91fd28ee6cfac9
Autor:
Alexsandro C. dos Santos Almeida, Ceres D. G. C. de Almeida, Tarlei A. Botrel, José A. Frizzone
Publikováno v:
Engenharia Agrícola, Vol 36, Iss 1, Pp 36-45 (2016)
ABSTRACT Microsprinkler non-pressure compensating nozzles usually show water flow variation along the lateral line. This study aimed at adapting microtubes into non-compensating system of microsprinklers previous installed in the field, as a self-com
Externí odkaz:
https://doaj.org/article/49c5c54b2d00401b94defb2ac0996de3
Publikováno v:
Acta Scientiarum: Technology, Vol 36, Iss 4, Pp 599-606 (2014)
The automation of irrigation systems has been widely implemented in Brazil in recent years, which is necessary due to operational requirements, such as irrigation of large areas at night, and subdivision of the irrigated area because of restricted us
Externí odkaz:
https://doaj.org/article/58cb1cb894e7448d825d972030ef6f15
Autor:
Osvaldo Rettore Neto, Tarlei A. Botrel, José A. Frizzone, Marinaldo F. Pinto, Antônio P. Camargo
Publikováno v:
Engenharia Agrícola, Vol 33, Iss 6, Pp 1312-1321 (2013)
A indústria de plásticos e derivados, com o auxílio da engenharia, tem aprimorado a qualidade do material destinado à fabricação de tubos, principalmente os de polietileno. A elasticidade desses tubos permite que ocorra aumento do diâmetro int
Externí odkaz:
https://doaj.org/article/07eff22d087f4f3cb335429ee4d9a5f5
Publikováno v:
Scientia Agricola, Vol 69, Iss 2, Pp 160-167 (2012)
Variable rate sprinklers (VRS) have been developed to promote localized water application of irrigated areas. In Precision Irrigation, VRS permits better control of flow adjustment and, at the same time, provides satisfactory radial distribution prof
Externí odkaz:
https://doaj.org/article/ed0645b6f7f44d568d6fa08712ba6f32
Autor:
Antonio Pires de Camargo, Tarlei Arriel Botrel, Ricardo Godoi Vieira, Marinaldo Ferreira Pinto, Lucas Melo Vellame
Publikováno v:
Scientia Agricola, Vol 68, Iss 3, Pp 275-284 (2011)
This research introduces the development of an electronic flowmeter based on the drag force that a body experiences when immersed in a fluid stream. Its main goal was the development of an Electronic Drag Force Flowmeter (EDFF) using a load cell, as
Externí odkaz:
https://doaj.org/article/3b3bb834166d450ca77d602cc40bf117
Publikováno v:
Engenharia Agrícola, Vol 31, Iss 2, Pp 278-289 (2011)
O presente trabalho teve como objetivos, desenvolver dois modelos matemáticos para dimensionamento de microtubos em irrigação localizada, operando sob regime de escoamento turbulento, nos quais foram incluídas as perdas de carga no microtubo, per
Externí odkaz:
https://doaj.org/article/9210de0f5d824fa6b3945c94fb06678e
Publikováno v:
Revista Ciência Agronômica, Vol 41, Iss 2, Pp 216-221 (2010)
O experimento foi realizado em Piracicaba, SP, com o objetivo de avaliar os efeitos de doses de CO2 aplicadas via água de irrigação associadas ou não a cobertura plástica do solo na produção da abobrinha cultivada em campo aberto. O delineamen
Externí odkaz:
https://doaj.org/article/9189a4dc34c14fdd821c7a4955d723db
Publikováno v:
Engenharia Agrícola, Vol 29, Iss 1, Pp 28-39 (2009)
Este trabalho apresenta os resultados de experimento conduzido para avaliar as perdas de carga localizadas em gotejados não coaxiais integrados a tubos de polietileno. As perdas de carga para diferentes vazões foram determinadas em quatro modelos d
Externí odkaz:
https://doaj.org/article/f5279cc0f060469996475a8ec519e712