Zobrazeno 1 - 10
of 68
pro vyhledávání: '"Z. Tkáč"'
Publikováno v:
Tribology in Industry, Vol 40, Iss 1, Pp 149-155 (2018)
The goal of this paper is the verification measurement of the proposed laboratory testing device for operation monitoring and assessment of both the hydraulic circuit components and the energy carrier used. The goal is to test the operation of a prop
Externí odkaz:
https://doaj.org/article/7b99482dc3ad4fd88ec14fbafb5816c3
Publikováno v:
Tribology in Industry, Vol 39, Iss 4, Pp 547-558 (2017)
Three filtration systems using the tractor hydraulic circuit were proposed and verified during the tractors operation. Using the tractor-implement hydraulic system and filter body with accessories the universally useful filtration systems were design
Externí odkaz:
https://doaj.org/article/08e804f481e54c9f9795dcd6cc781d6a
Publikováno v:
Research in Agricultural Engineering, Vol 62, Iss 1, Pp 24-29 (2016)
The research was focused on operational measurements of tractor plough tools and their subsequent utilisation and simulation under laboratory conditions by a hydrostatic simulator. In this field, theoretical and experimental works were focused on tra
Externí odkaz:
https://doaj.org/article/3e861617a64b4402b5ab7410a55706e5
Autor:
R. Majdan, Z. Tkáč, J. Kosiba, R. Abrahám, J. Jablonický, Ľ. Hujo, M. Mojžiš, P. Ševčík, M. Rášo
Publikováno v:
Research in Agricultural Engineering, Vol 59, Iss 3, Pp 75-82 (2013)
Two types of biodegradable hydraulic fluids (HEES and HEPR) with the mineral oil-based hydraulic fluid (HV) were compared. The tests were performed using a test bench. During the tests with a tractor hydraulic pump, the fluids were loaded by a cyclic
Externí odkaz:
https://doaj.org/article/33fb19d7ce8242ecbecab05e2613bed5
Publikováno v:
Research in Agricultural Engineering, Vol 62, Iss Special Issue, Pp S66-S70 (2016)
The paper deals with the possibility of appropriate measurement and evaluation of emissions of nitrogen oxides. Development of exhaust systems which captures the solid particles emitted from engine, lost an objective assessment of the emission status
Externí odkaz:
https://doaj.org/article/0083e0daea1c40618ab797e04bbf094a
Publikováno v:
Research in Agricultural Engineering, Vol 56, Iss 1, Pp 18-25 (2010)
The accelerated laboratory tests can evaluate the properties of new biodegradable fluids under relatively short time. These test results are the ground for the continuity of the tests under operation conditions in machine. The paper presents the test
Externí odkaz:
https://doaj.org/article/10c7a490da4144b5a862024e8f6539cc
Publikováno v:
Research in Agricultural Engineering, Vol 54, Iss 4, Pp 183-191 (2008)
In this paper, a design of testing stands for the durability tests of hydrostatic pumps of agricultural tractors is presented. The designed testing stands will be used for the laboratory verification of the influence of biodegradable oils on the dura
Externí odkaz:
https://doaj.org/article/8af5b687d0f64b7081fb78a122036001
Publikováno v:
Research in Agricultural Engineering, Vol 53, Iss 2, Pp 54-66 (2007)
The paper researches the possibilities to replace the parallel flow hydraulic mechanisms in agricultural machinery with hydraulic units with fluid alternating flow as they provide more efficient operation due to their output alternating motion. The m
Externí odkaz:
https://doaj.org/article/8d72350fe5a846f5ab76b200a60ba2e3
Publikováno v:
Research in Agricultural Engineering, Vol 52, Iss 4, Pp 129-135 (2006)
Presented paper is dealing with operation load of three-point hitch (TPH) of agriculture tractor in randomly changeable working conditions and their simulation in laboratory. The basic goal was to obtain experimental data, after which we can judge an
Externí odkaz:
https://doaj.org/article/11cb322355ad403b9d5767622671c3cf
Publikováno v:
Research in Agricultural Engineering, Vol 52, Iss 2, Pp 55-60 (2006)
The paper deals with the analysis of the operation of a hen feeding line in the reproduction breeding hall at the floor stabling type combined with the deep bedding on grates. We have measured the hen feeding line operation time in accordance with ST
Externí odkaz:
https://doaj.org/article/d23c3852e9bc4193a5712fb095471fb0