Topic
Nozzle
About: Nozzle is a research topic. Over the lifetime, 158675 publications have been published within this topic receiving 893026 citations. The topic is also known as: spout.
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TL;DR: In this article, the authors investigated the controlling parameters of a steam ejector, including operating conditions and the exit Mach number of the primary nozzle, and derived operation maps useful to the practical design.
97 citations
Patent•
04 Mar 1983
TL;DR: In this article, a multi-slot cavity nozzle with opposing zig-zag fluid path baffle diversion operation was used to generate a pair of adjacent line fluid depositions upon a web moving past the nozzle, enabling the separate but simultaneous use of adhesives and other fluid media of different characteristics.
Abstract: This disclosure is concerned with independent fluid dispensing by a multi-slot cavity nozzle with opposing zig-zag fluid path baffle-diversion operation, generating a pair of adjacent line fluid depositions upon a web moving past the nozzle, and enabling the separate but simultaneous use of adhesives and other fluid media of different characteristics and in widely flexible multi-layer coating patterns including superposed, side-by-side, spaced and other multi-layer patterns.
97 citations
TL;DR: Spherical polymeric core-shell microcapsules in uniform size were produced by electrospraying with a coaxial nozzle setup when the volumetric feed rate of the shell-forming PCL solution was higher than that of the core-forming PS or PMMA solution, and irregular morphologies were observed.
Abstract: Spherical polymeric core−shell microcapsules in uniform size were produced by electrospraying with a coaxial nozzle setup. Contrary to the usual coaxial setup, the inner nozzle was slightly bent to touch the inside wall of the outer nozzle. A polymer solution for the core was introduced through the outer nozzle, and the other solution for the shell was supplied through the inner nozzle. The setup greatly increased reproduction of the same results. As a proof of the concept, core−shell microcapsules consisting of a PS or PMMA core and a PCL shell (PS@PCL, PMMA@PCL) were produced. When the volumetric feed rate of the shell-forming PCL solution was higher than that of the core-forming PS or PMMA solution the core−shell structures in uniform size were readily obtained. In contrast, irregular morphologies were observed when the feed rate of the PCL solution was slower or equal to that of the PS or PMMA solution. The size of the colloid was dependent on the relative feed ratio between the polymer solutions as w...
97 citations
Patent•
24 Feb 2014TL;DR: In this article, a welding tool includes a blade assembly positioned a predetermined distance from the torch nozzle holder, which is configured to cut welding wire extending through the blade assembly to calibrate wire stickout from the welding torch to the predetermined distance.
Abstract: A welding tool includes a first handle and a second handle. The welding tool also includes a torch nozzle holder configured to hold a nozzle of a welding torch therein, and to block the nozzle from extending therethrough. The welding tool includes a blade assembly positioned a predetermined distance from the torch nozzle holder. The blade assembly is configured to cut welding wire extending through the blade assembly to calibrate wire stickout from the welding torch to the predetermined distance.
97 citations
TL;DR: In this article, the Homogenous Relaxation Model (HRM) is used to study thermal non-equilibrium, two-phase flows with flash-boiling and condensation.
97 citations