Results 111 to 120 of about 22,058 (305)
Design of the Dual-Path Cold Spray Nozzle to Improve Deposition Efficiency
Journal of Manufacturing and Materials ProcessingThis paper designs a Dual path cold spray nozzle and studies its performance during the cold spray process through numerical simulations and optimization experiments.
Hongjun Li, Yongqi Le, Hao Xu, Ziyao Li
doaj +1 more source
The oxidation behavior of TBC with cold spray CoNiCrAlY bond coat
, 2011 Cold gas dynamic spray (CGDS) has been considered a potential technique to produce the metallic bond coat for TBC applications, because of its fast deposition rate and low deposition temperature. This article presents the influence of spray processes for
Wu, X. +4 more
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Chemie Ingenieur Technik, EarlyView.Thermal defrosting limits desublimator efficiency in freeze‐drying. This review and case study compares thermal versus mechanical regeneration, links frost properties and external heat transfer to energy demand, and summarizes pilot‐scale scraping results enabling single‐unit, continuous lyophilization.
Moritz Krummenacher +3 more
wiley +1 more source
Development of 3D Multicomponent Model for Cold Spray Process Using Nitrogen and Air
, 2015 Cold spray is a unique coating technology that allows for solid state deposition of particles under atmospheric pressure. In this paper, a three dimensional, Computational Fluid Dynamics (CFD) multicomponent model is developed to estimate cold spray gas ...
Muhammad Rab +4 more
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Process Gas Heating Systems in Cold Spraying
, 2016 The goal of this bachelor's thesis is to present ways of gas heating used in the cold spray technology. Primarily the work is focused on description of currently-used techniques of high-pressure gas heating in cold spray and introduction to commercial ...
Babinský, Tomáš
core
Key Factors Influencing the Gas and Nozzle Outlet Temperature in Cold Spray
Cold spray is comparatively novel thermal spray process with high potential for the additive manufacturing of metallic materials. It has several unique characteristics - most notably, the process does not require any melting or fusion of the processed ...
Lehmann, Maja +7 more
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The Interaction of a Hot Gas Flow and a Cold Liquid Spray in Channels
, 1976 The coupled interaction of cold liquid sprays and a hot gas stream is analyzed. The effect of liquid droplets introduced into a hot gas stream flowing in channels of constant and of varying areas is investigated as a rapid cooling process for a hot gas ...
I. S. Habib
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Chemie Ingenieur Technik, EarlyView.This work applies multi‐objective optimization to investigate trade‐offs between different objectives in syngas production with solid‐oxide cell co‐electrolysis. Two system designs are investigated. By systematically exploring tradeoffs between different objectives, insights, and comparisons of the operation of these designs are achieved.
Gbenga Jerome +6 more
wiley +1 more source
HeliyonIn this study, an environmental and economic assessment of WC-Co coatings deposited by Cold Gas Spray (CGS), Atmospheric Plasma Spray (APS) and High Velocity Oxy Fuel (HVOF) spray technologies is carried out.
E. Rúa Ramirez +5 more
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Experimental investigations into high-altitude relight of a gas turbine
, 2008 This thesis describes experiments to investigate high-altitude relight of a lean direct injection (LDI) combustor. The features that make LDI technology less polluting in terms of NOx compared to conventional combustors are expected to impede relight ...
Read, Robert William
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