Results 11 to 20 of about 242,081 (346)
Performance investigation of a multi‐nozzle ejector for proton exchange membrane fuel cell system
International Journal of Energy Research, 2020 Due to its merit of no consuming energy, no moving part, and less requiring space, and maintenance, the ejector is one of the most promising hydrogen recirculation devices for proton exchange membrane fuel cell (PEMFC) applications.
Jiquan Han +3 more
semanticscholar +1 more source
Three-dimensional printing of continuous-fiber composites by in-nozzle impregnation
Scientific Reports, 2016 We have developed a method for the three-dimensional (3D) printing of continuous fiber-reinforced thermoplastics based on fused-deposition modeling. The technique enables direct 3D fabrication without the use of molds and may become the standard next ...
R. Matsuzaki +8 more
semanticscholar +1 more source
Influence of Polymer Concentration and Nozzle Material on Centrifugal Fiber Spinning
Polymers, 2020 Centrifugal fiber spinning has recently emerged as a highly promising alternative technique for the production of nonwoven, ultrafine fiber mats. Due to its high production rate, it could provide a more technologically relevant fiber spinning technique ...
Jorgo Merchiers +5 more
semanticscholar +1 more source
Energies, 2023 With the increasing demand for heavy oil, core annular flow (CAF) is an economical method to transport heavy oil, and many researchers have explored the energy-saving aspects of the CAF method.
Baoshan Xie +5 more
doaj +1 more source
, 2020 Nozzle hole diameter of 3D printer (3DP) can be varied to obtain required product quality as well as to reduce manufacturing times. The use of larger diameter may accelerate manufacturing times of products, yet the product quality, including the ...
J. Triyono +3 more
semanticscholar +1 more source
Simulation and experiment of abrasive flow finishing characteristics of nozzle jetting hole runner
Jin'gangshi yu moliao moju gongcheng, 2023 When there is a certain inlet chamfer and nozzle taper at the inlet of the nozzle orifice passage, the efficiency of the engine can be further improved by improving the fuel atomization effect of the nozzle.
Mengnan LI +3 more
doaj +1 more source
Determination of an Injection Sprayer's Technological Parameters
Сельскохозяйственные машины и технологии, 2018 Agricultural boom sprayers are equipped with injection sprayers of mainly foreign origin. The main parameters of the injection sprayers shown in the catalogs display the consumption characteristics in certain ranges without taking into account the ...
L. A. Marchenko, M. A. Safonov
doaj +1 more source
Robotics, 2022 The application of additive technologies, namely, fused deposition modeling, is a new reality for prototyping gripping devices of industrial robots. However, during 3D printing of holes and nozzle elements, difficulties arise with reducing their diameter.
Roman Mykhailyshyn +3 more
doaj +1 more source
Study of a cold spray nozzle throat on acceleration characteristics via CFD [PDF]
Журнал інженерних наук, 2021 Cold spray technology can obtain coatings in a solid state, suitable for deposition protection, repair, and additive manufacturing. In order to further expand the application areas of cold spraying nozzles, especially the inner surface of the components ...
Hu W. J. +3 more
doaj +1 more source
Machines, 2022 In this paper, we seek to understand the influence of TPS standard nozzle shape on jet noise and improve the accuracy of flow and pressure ratio of aeronautical simulation.
Guozhen Mu, Qiongying Lyu, Yiming Li
doaj +1 more source