Temat: water jet method - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Material recycling of tyres by wather jet method
Autorzy:: Holka, H.
Jarzyna, T.
Matuszewski, M.
Musiał, J.
Powiązania:: https://bibliotekanauki.pl/articles/100157.pdf
Data publikacji:: 2013
Wydawca:: Wrocławska Rada Federacji Stowarzyszeń Naukowo-Technicznych
Tematy:: recycling
water jet method
used tyres
Opis:: In this article there has been presented an innovative method of tire material recycling with the use of water jet technology including calculation of mass balance of the jetted water, velocity of the water flowing out of a nozzle, demand for power to drive the pump, or the energy consumption unit indicator. Moreover, an analysis of the dynamic impact of water jet on the tire has been made. Successive stages of the research, performed by the authors in order to develop the final model and construct the machine for tire recycling, have been described. In the final section of the paper there are calculation results and conclusions.
Źródło:: Journal of Machine Engineering; 2013, 13, 2; 92-102
1895-7595
2391-8071
Pojawia się w:: Journal of Machine Engineering
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: A multi-layered potential field method for waterjet propelled unmanned surface vehicle local path planning with minimum energy consumption
Autorzy:: Wang, Shasha
Fu, Mingyu
Wang, Yuanhui
Zhao, Liangbo
Powiązania:: https://bibliotekanauki.pl/articles/260576.pdf
Data publikacji:: 2019
Wydawca:: Politechnika Gdańska. Wydział Inżynierii Mechanicznej i Okrętownictwa
Tematy:: water-jet propelled USV
local path planning
marine environment
minimum energy consumption
multi-layered potential field method
Opis:: Focusing on the influence of wind and surface currents on local path planning in the marine environment, a multilayered potential field (MPF) method is proposed to minimize the energy consumption of a water-jet propelled unmanned surface vehicle (USV). A synthetic environment framework that can incorporate the information of the base potential field layer and the environment layer is constructed first. This framework provides a base for minimizing the energy consumption of the water-jet propelled USV through proper force weighting. For the purpose of USV path planning, the traditional potential field method is extended by including the velocity information of the USV and the approached obstacles to avoid collisions with dynamic obstacles. The proposed method integrates kinematic control to prevent considering the vehicle as a point mass or rigid body. Finally, simulation and comparison experiments are performed to demonstrate the energy-saving efficiency of the proposed local path planning approach for the water-jet propelled USV.
Źródło:: Polish Maritime Research; 2019, 1; 134-144
1233-2585
Pojawia się w:: Polish Maritime Research
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Design Analysis of Closed Vessel for Power Cartridge Testing
Autorzy:: Parate, Bhupesh Ambadas
Chandel, Sunil
Shekhar, Himanshu
Powiązania:: https://bibliotekanauki.pl/articles/403278.pdf
Data publikacji:: 2019
Wydawca:: Wojskowa Akademia Techniczna im. Jarosława Dąbrowskiego
Tematy:: closed vessel
design analysis
disruptor
factor of safety
finite element method (FEM)
internal pressure
power cartridge
stress
strain and water-jet disruptor
Opis:: This paper discusses the design analysis of closed vessel (CV) for power cartridge application in water-jet disruptor. In this article, various design theories are presented in which the vessel is subjected to internal pressure. CV is a kind of pressure vessel utilized to evaluate the performance of power cartridge used for water-jet application. It is a test vessel which generates pressure - time profile by burning the propellant. Energy derived from burning of the propellant of power cartridge aids in neutralizing Improvised Devices (IED's). This energy creates high water-jet plume in the disruptor. In order to evaluate various performance parameters of the cartridge, CV design plays a vital role in the research and development activities, including, development, life trials, production, lot proof trials and life extension / life revision trials. CV is one of the methodologies / techniques from which energy generated is measured in terms of the maximum pressure (Pmax) and the time to maximum pressure (TPmax). This paper also discusses about various design aspects using the finite element method (FEM) and their comparative results with different design theories. In the light of these theoretical, numerical, and experimental works, it was recommended that octahedral stress theory or van Mises theory should be used for vessel design. This satisfies the designer requirements. FEM analysis tool helps in reducing time & development cost.
Źródło:: Problemy Mechatroniki : uzbrojenie, lotnictwo, inżynieria bezpieczeństwa; 2019, 10, 1 (35); 25-48
2081-5891
Pojawia się w:: Problemy Mechatroniki : uzbrojenie, lotnictwo, inżynieria bezpieczeństwa
Dostawca treści:: Biblioteka Nauki

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