Academic literature on the topic 'CVD injection liquide'

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Journal articles on the topic "CVD injection liquide"

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Wong, Kai Chung, Tony Chen, David E. Connor, Masud Behnia, and Kurosh Parsi. "Computational Fluid Dynamics of Liquid and Foam Sclerosant Injection in a Vein Model." Applied Mechanics and Materials 553 (May 2014): 293–98. http://dx.doi.org/10.4028/www.scientific.net/amm.553.293.

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The aim of this study was to develop a computational fluid dynamics (CFD) model to simulate the injection of liquid and foam sclerosants into a varicose vein. The CFD model results were compared with sclerosant flow in an experimental model of a straight or a branched vein. The effects of injection angle, injection velocity and tubing contents (blood, saline) on sclerosant spreading were assessed by CFD. The simulation of liquid sclerosants injection was able to provide a good representation of forward flow, but underrepresented sclerosant backflow. Due to the complex nature of computational m
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Papadimitropoulos, G., and D. Davazoglou. "Copper metallization based on direct-liquid-injection hot-wire CVD." Microelectronic Engineering 84, no. 5-8 (2007): 1148–51. http://dx.doi.org/10.1016/j.mee.2007.01.012.

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Li, Xinhai, Yong Cheng, Shaobo Ji, Xue Yang, and Lu Wang. "Sensitivity Analysis of Fuel Injection Characteristics of GDI Injector to Injector Nozzle Diameter." Energies 12, no. 3 (2019): 434. http://dx.doi.org/10.3390/en12030434.

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The accuracy of a nozzle diameter directly affects the difference of the injection characteristics between the holes and productions of a GDI (gasoline direct injection) injector. In order to reduce the difference and guarantee uniform injection characteristics, this paper carried out a CFD simulation of the effect of nozzle diameter which fluctuated in a small range on single-cycle fuel mass. The sensitivity of the fuel injection quantity to the injector nozzle diameter was obtained. The results showed that the liquid phase ratio at the nozzle outlet decreased and the velocity of the outlet i
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Seehanam, Wirapan, Kulachate Pianthong, Wuttichai Sittiwong, and Brian Milton. "Injection pressure and velocity of impact-driven liquid jets." Engineering Computations 31, no. 7 (2014): 1130–50. http://dx.doi.org/10.1108/ec-09-2012-0218.

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Purpose – The purpose of this paper is to describe a procedure to simulate impact-driven liquid jets by computational fluid dynamics (CFD). The proposed CFD model is used to investigate nozzle flow behavior under ultra-high injection pressure and jet velocities generated by the impact driven method (IDM). Design/methodology/approach – A CFD technique was employed to simulate the jet generation process. The injection process was simulated by using a two-phase flow mixture model, while the projectile motion was modeled the moving mesh technique. CFD results were compared with experimental result
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Zhang, Jia Fang, Zong Qing Lu, Zhao Wang, Qing Ke Yuan, and Guang Kai Wang. "Research on Intelligent Inspection Machine Based on Linear CCD." Advanced Materials Research 524-527 (May 2012): 3819–23. http://dx.doi.org/10.4028/www.scientific.net/amr.524-527.3819.

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This paper introduces new equipment for injection liquid inspection. The Intelligent Inspection Machine is based on linear CCD. The inspection platform, holding device and rotating and abruptly stopping station of this equipment are introduced, and the operating principle is illustrated. Image preprocessing is demonstrated in details, including filtering, segmentation and the calculated of particles. The experiments demonstrated that the intelligent inspection machine for injection liquid inspection based on linear CCD is feasible.
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Jones, Anthony C., Hywel O. Davies, Timothy J. Leedham, et al. "Precursor design for liquid Injection CVD of lead scandium tantalate thin films." Integrated Ferroelectrics 30, no. 1-4 (2000): 19–26. http://dx.doi.org/10.1080/10584580008222249.

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Morales, J., L. M. Apátiga, and V. M. Castaño. "Synthesis of diamond films from organic compounds by Pulsed Liquid Injection CVD." Surface and Coatings Technology 203, no. 5-7 (2008): 610–13. http://dx.doi.org/10.1016/j.surfcoat.2008.05.030.

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Maury, F., A. Douard, S. Delclos, D. Samelor, and C. Tendero. "Multilayer chromium based coatings grown by atmospheric pressure direct liquid injection CVD." Surface and Coatings Technology 204, no. 6-7 (2009): 983–87. http://dx.doi.org/10.1016/j.surfcoat.2009.04.020.

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Manole, Claudiu Constantin, Olivier Marsan, Cedric Charvillat, Ioana Demetrescu, and Francis Maury. "Evidences for liquid encapsulation in PMMA ultra-thin film grown by liquid injection Photo-CVD." Progress in Organic Coatings 76, no. 12 (2013): 1846–50. http://dx.doi.org/10.1016/j.porgcoat.2013.05.027.

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Avril, L., S. Bourgeois, M. C. Marco de Lucas, et al. "Thermal stability of Au–TiO2 nanocomposite films prepared by direct liquid injection CVD." Vacuum 122 (December 2015): 314–20. http://dx.doi.org/10.1016/j.vacuum.2015.06.018.

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Dissertations / Theses on the topic "CVD injection liquide"

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Manin, Murielle. "Croissance de films minces de MgO par CVD et injection liquide : élaboration et modélisation." Grenoble INPG, 2005. http://www.theses.fr/2005INPG0101.

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Les couches minces d'oxyde de magnésium sont intégrées dans différents secteurs industriels comme la microélectronique ou les écrans à plasma. Pour ces applications, il est nécessaire de pouvoir les déposer sur des grandes surfaces, tout limitant en les coûts, par exemple en travaillant à "haute pression" et avec de fortes vitesses de croissance. Sur la base de ces contraintes technologiques, une technique de dépôt chimique à partir d'une phase gazeuse (Chemical Vapor Deposition) particulière mettant en jeu l'injection liquide, a été mise en œuvre pour la croissance de couches minces de MgO. L
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Harada, Nao. "Élaboration de couches minces d’oxydes dopées terres rares par CVD pour les technologies quantiques." Electronic Thesis or Diss., Université Paris sciences et lettres, 2021. http://www.theses.fr/2021UPSLC029.

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Ce travail a été mené dans le cadre du projet européen SQUARE qui vise à démontrer des fonctionnalités dans le domaine des technologies quantiques au moyen de matériaux oxydes dopés terre-rare. L’ambition de cette thèse est d'établir les premières briques élémentaires permettant d'envisager le développement futur d'ordinateurs et de mémoires quantiques ainsi que la mise à l'échelle de ces composants. Dans ce cadre, des temps de cohérence optique, c’est-à-dire des durées pendant lesquelles l’information quantique est maintenue, les plus longs possibles sont visés. En particulier, je me suis int
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Comer, Adam Landon. "Optimisation of liquid fuel injection in gas turbine engines." Thesis, University of Cambridge, 2013. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.607844.

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Awaluddin, Amir. "Fundamental studies of chemical vapour deposition processes : Far-IR synchrotron studies of the adsorption of tim oxide precursors on tin oxide and direct liquid injection CVD growth of titania thin films on silicon." Thesis, University of Salford, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.272929.

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Ahmed, Aqeel. "LES of atomization and cavitation for fuel injectors." Thesis, Normandie, 2019. http://www.theses.fr/2019NORMR048/document.

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Cette thèse présente la Simulation des Grandes Echelles (LES) de l’injection, de la pulvérisation et de la cavitation dans un injecteur pour les applications liées aux moteurs à combustion interne. Pour la modélisation de l’atomisation, on utilise le modèle ELSA (Eulerian Lagrangian Spray Atomization). Le modèle résout la fraction volumique du combustible liquide ainsi que la densité de surface d’interface liquide-gaz pour décrire le processus complet d’atomisation. Dans cette thèse, l’écoulement à l’intérieur de l’injecteur est également pris en compte pour une étude ultérieure de l’atomisati
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Añez, Javier. "Modélisation de l'injection de pétrole pour les procédés FCC (Fluid Catalytic Cracking)." Thesis, Normandie, 2018. http://www.theses.fr/2018NORMR132/document.

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Cette thèse est une entreprise commune de VINCI Technologies et du laboratoire CNRS CORIA. De nombreux injecteurs comportent une zone de mélange interne dans laquelle les phases liquides et gazeuses sont toutes deux présentes dans une proportion significative. Par conséquent, cette zone appartient à la catégorie des écoulements diphasiques denses. Pour simuler la dispersion du liquide et caractériser le spray de ces injecteurs, des modèles appropriés sont nécessaires. Les points clés de cette approche sont la dispersion du liquide qui peut être associé au flux liquide turbulent et la quantité
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Nakayama, Haruka. "Application of Dynamic Mesh Method in CFD to Engineering Designs of Needle-Free Liquid Jet Injector and Diaphragm-less Shock Tube." Thesis, 2013. http://spectrum.library.concordia.ca/977593/1/Nakayama_MASc_final.pdf.

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Many engineering devices have dynamic components and hence, their computational models are no longer fixed in space and time. In these cases, dynamic mesh method is often applied to analyze their motion or unsteady fluid dynamics around/inside them. This study deals with the engineering application of CFD particularly using dynamic mesh methods to simulate firstly the compressible transient flow in a needle-less liquid jet injector for biomedical application and secondly, the performance of a diaphragm-less shock tube design for investigation of high-speed compressible gas dynamics. The CFD so
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Book chapters on the topic "CVD injection liquide"

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Wentsch, Marlene. "Liquid Fuel Modeling." In Analysis of Injection Processes in an Innovative 3D-CFD Tool for the Simulation of Internal Combustion Engines. Springer Fachmedien Wiesbaden, 2018. http://dx.doi.org/10.1007/978-3-658-22167-6_7.

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Troudi, Hajer, Moncef Ghiss, Mohamed Ellejmi, and Zoubeir Tourk. "Numerical Investigations of the Effect of Packed Bed Porosity on the Flow Behavior." In Mechanical Engineering Technologies and Applications: Volume 2. BENTHAM SCIENCE PUBLISHERS, 2023. http://dx.doi.org/10.2174/9789815124125123020011.

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Packed columns are considered useful to a great extent in the distillation of natural gas, and liquid volume fraction is a critical parameter for their design. This study aimed to develop a geometrical model of a packed column with one cone spray to simulate the injection. Here, the commercial software FLUENT 6.3 was employed. CFD simulations using the mixture model coupled with several turbulence models were used to analyze the porosity effect on the fluid profiles. The results show that the decrease of the packed porosity resulted in a greater dispersion of the liquid, indicating the anisotr
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Calbrix, Corentin, Alexei Stoukov, Axelle Cadière, Benoit Roig, and Dominique Legendre. "Numerical simulation of the aerial drops of the Canadair CL-415 and the Dash-8 airtankers." In Advances in Forest Fire Research 2022. Imprensa da Universidade de Coimbra, 2022. http://dx.doi.org/10.14195/978-989-26-2298-9_265.

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Fighting wildland fires is a major issue for the protection of populations and environment with a need of more efficient means to fight fires. Airtankers are able to drop volumes of liquid (water or fire retardant) varying from less than 1m3 to several tens of m3, directly on fire or with the objective to form barriers of retardant to stop or reduce the fire propagation. However, the dynamics of a liquid dropped from an airplane has received few attentions in the scientific community, and related studies have mostly focused on Newtonian liquid jets injection in cross flow from millimetric inje
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Conference papers on the topic "CVD injection liquide"

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Chasos, Charalambos. "CFD simulations of the diesel jet primary atomization from a multihole injector." In ILASS2017 - 28th European Conference on Liquid Atomization and Spray Systems. Universitat Politècnica València, 2017. http://dx.doi.org/10.4995/ilass2017.2017.5040.

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High pressure multi-hole diesel injectors are currently used in direct-injection common-rail diesel engines for the improvement of fuel injection and air/fuel mixing, and the overall engine performance. The resulting spray injection characteristics are dictated by the injector geometry and the injection conditions, as well as the ambient conditions into which the liquid is injected. The main objective of the present study was to design a high pressure multi-hole diesel injector and model the two-phase flow using the volume of fluid (VOF) method, in order to predict the initial liquid jet chara
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Song, F., R. Noghrehkar, and K. F. Hau. "CFD Modelling of Liquid Poison Injection in ACR-1000 Shutdown System." In 16th International Conference on Nuclear Engineering. ASMEDC, 2008. http://dx.doi.org/10.1115/icone16-48669.

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The Liquid Injection Shutdown System (LISS) is a safety system in the CANDU™-type reactor to provide rapid reactor shutdown by automatically injecting a neutron absorbing liquid (“poison”), via injection nozzles, into the moderator in the calandria. The poison distribution in the moderator plays a significant role in the shutdown performance. The Advanced CANDU Reactor (ACR-1000™) is a Generation III+ type reactor as an evolutionary extension of the proven CANDU-6 reactor. The basic design concept of the CANDU-6 LISS is adopted for the ACR-1000. The injection nozzle design has been modified to
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Lobanov, P. D., O. N. Kashinsky, A. S. Kurdyumov, and N. A. Pribaturin. "Dynamic Processes During Pulsed Gas Injection Into Liquid Column." In 2016 24th International Conference on Nuclear Engineering. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/icone24-60615.

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An experimental study of dynamic processes during pulsed gas injection into quiescent liquids was performed. Both water and low melting temperature metal alloy were used as test liquids. Air and argon were used as gas phase. The test sections were vertical cylindrical columns 25 and 68 mm inner diameter. Measurements of flow parameters during gas injection were performed. Water – air experiments were performed at room temperature, the temperature of liquid metal alloy was 135 deg C. Time records of pressure in the liquid and in gas phase above the liquid were obtained. Measurements of liquid t
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Stephens, John J., Glen C. Martin, and Chia-fon F. Lee. "Experimental Investigation of a Direct Injection Diesel Injector in a Constant Volume Injection Chamber." In ASME 2001 Internal Combustion Engine Division Fall Technical Conference. American Society of Mechanical Engineers, 2001. http://dx.doi.org/10.1115/2001-ice-402.

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Abstract In an optically accessible, constant volume, quiescent injection cell, the liquid phase of a non-evaporating direct injection spray was visualized using the Exciplex Planar Laser Induced Fluorescence technique. The goal of this work was to develop a correlation for the effect of ambient density on spray tip penetration. Therefore, an experimental test matrix was set up with injection pressure and ambient density as the variables. Good optical access and a short visualization pathway allowed for high-resolution images to be recorded simultaneously via two CCD cameras. Images were recor
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Wang, L., H. Ozogul, T. Kaushik, A. Bhat, and S. Rida. "Towards a Detailed Liquid Fuel Injection Model for Gas Turbine Combustor CFD." In ASME Turbo Expo 2020: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/gt2020-16044.

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Abstract Fuel injection modeling plays an important role in Computational Fluid Dynamics (CFD) based combustor design and performance analysis. The specification of initial fuel spray size, velocity, and location strongly affects the subsequent fuel air mixing and combustion processes. Current common practice of introducing fuel spray in combustor CFD relies on either experimental correlations built from spray data measured at locations further away from injector exit or simplified theoretical models that have limited applications. This often leads to large uncertainties in spray initial condi
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T.N.C, Anand, Senthilkumar P, and Shamit Bakshi. "Break up length on Urea Water Solution jet in hot cross flow." In ILASS2017 - 28th European Conference on Liquid Atomization and Spray Systems. Universitat Politècnica València, 2017. http://dx.doi.org/10.4995/ilass2017.2017.4982.

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Selective Catalytic Reduction (SCR) using Urea-Water Solution (UWS) as an ammonia precursor is consideredas one of the best choices to meet the current stringent emission norms for reduction of NOX in diesel engines. UWS sprayed in the engine exhaust line forms ammonia, and this ammonia reduces NOX into nitrogen. The NOX reduction efficiency depends on the mixing and evaporation behavior of the UWS spray in the hot exhaust gas. Spray characteristics decide the evaporation rate and hence the NOX reduction efficiency. The spray structure is closely related to the breakup point and breakup mode o
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De Giorgi, M. G., Aldebara Sciolti, S. Campilongo, and A. Ficarella. "Comparing Spray and Flame Behavior in a Swirl Liquid Fueled Lean Burner With Single and Multipoint Injections." In ASME Turbo Expo 2016: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/gt2016-57353.

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Recent advances in gas turbine combustor design aimed at achieving low NOx emissions have focused on locally leaner combustion by rapid mixing of fuel and air. Multipoint injection leads to a fast and efficient mixing with the control of the spatial fuel distribution. In the present work, an experimental study on combustion phenomena in a liquid fuel burner, which operates in non-premixed (single point injection) and partially-premixed regimes (multipoint injections), was carried out in order to investigate the effect of the injection mode. In both the cases the lean combustion behavior was in
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Yi, Junghwa, Kevin Wan, Lyle Pickett, and Julien Manin. "Characterization of Dimethyl Ether (DME) Spray Using ECN Spray D Under Engine-Relevant Conditions." In WCX SAE World Congress Experience. SAE International, 2025. https://doi.org/10.4271/2025-01-8457.

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<div class="section abstract"><div class="htmlview paragraph">This research experimentally investigates the spray vaporization of high-pressure dimethyl ether (DME) using a single-hole research injector focusing on nominal operating conditions from the Engine Combustion Network (ECN). DME is a synthetic alternative to diesel fuel, offering both high reactivity and potential reductions in particulate emissions. Because DME only features half of the energy density of diesel fuel, a specifically designed fuel system with a high mass flow rate to meet the energy delivery requirements i
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Lamarque, Nicolas, Quentin Lamiel, Jérome Hélie, and Dominique Legendre. "Spreading model for wall films generated by high-pressure sprays." In ILASS2017 - 28th European Conference on Liquid Atomization and Spray Systems. Universitat Politècnica València, 2017. http://dx.doi.org/10.4995/ilass2017.2017.4999.

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This paper presents a new model developed to predict the area of wall films that may develop in gasoline direct injection engines (GDI). In a always more restrictive legislation on gas emissions the injection process in internal combustion (IC) engines has been highlighted as a domain of great concern in order to satisfy these requirements. Many spray wall interactions models exist in literature and are included in different CFD tools. Most often they are based on the sum of single drop-wall impacts. The specificity of the present model lies in its simplicity and the way the film is treated gl
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Lazzarin, Marta, M. Faenza, Francesco Barato, et al. "CFD Simulation of a Hybrid Rocket Motor with Liquid Injection." In 47th AIAA/ASME/SAE/ASEE Joint Propulsion Conference & Exhibit. American Institute of Aeronautics and Astronautics, 2011. http://dx.doi.org/10.2514/6.2011-5537.

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Reports on the topic "CVD injection liquide"

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Rimpel, Aaron, and Amy McCleney. PR-316-17200-R02 A Study of the Effects of Liquid Contamination on Seal Performance. Pipeline Research Council International, Inc. (PRCI), 2020. http://dx.doi.org/10.55274/r0011734.

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Liquid contamination in dry gas seals (DGS) can come from a variety of sources, including lube oil carryover and liquid dropout, due to the Joule-Thompson effect across the seal faces, which can cause DGS failure. The physical effect of liquids on DGS performance is a topic of limited understanding, and conflicting theories exist regarding liquid-induced failure mechanisms. While tests have been performed on DGS test rigs (primarily by seal OEMs), very little testing or analysis has been specifically aimed at studying the heat generation behind DGS behavior following liquid injection, and test
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