Academic literature on the topic 'Infrared- Water mist'

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Journal articles on the topic "Infrared- Water mist"

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Sun, Zhongke, Zhen Wang, Zhongwei Chen, Zhihua Liu, Mo Liu, and Shuai Zhang. "Analysis of Infrared Radiation Intensity by Water-Mist Spraying in Ship Exhaust System." Journal of Physics: Conference Series 2112, no. 1 (2021): 012019. http://dx.doi.org/10.1088/1742-6596/2112/1/012019.

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Abstract The infrared radiation intensity in 3~5μm of conventional ship exhaust system are so severe [1] that can be easily captured by detector. Therefore, it’s necessary to take measure like spraying water mist to decrease temperature of exhaust system in order to decrease infrared radiation intensity. In this paper, the calculation of infrared radiation intensity of conventional ship exhaust system with water-mist spraying will be given. The results show that the average and maximum infrared radiation intensity of the exhaust system can be reduced by 90.3% and 95.7% after water mist cooling
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Władysiak, R., and P. Budzyński. "Structure of Water Mist Stream and its Impact on Cooling Efficiency of Casting Die." Archives of Foundry Engineering 12, no. 2 (2012): 251–60. http://dx.doi.org/10.2478/v10266-012-0069-y.

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Structure of Water Mist Stream and its Impact on Cooling Efficiency of Casting Die The work is a continuation of research on the use water mist cooling in order to increase efficiency of die-casting aluminum alloys. The paper presents results of research and analysis process, spraying water and generated a stream of water mist, the effect of the type of nozzle, the nozzle size and shape of the emitting of the water mist on the wall surface of casting die on the microstructure and geometry of water mist stream and cooling efficiency. Tests were used to perform high-speed camera to record video
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Villa Caro, Raúl, Rodrigo Pérez Fernández, Julio M. Pernas Urrutia, and Filiberto Hernandez. "METHODOLOGY APPLIED TO STUDY WATER MIST AS AN INFRARED SIGNATURE SUPPRESSOR IN MARINE GAS TURBINES." International Journal of Maritime Engineering 165, A1 (2023): 43–54. http://dx.doi.org/10.5750/ijme.v165ia1.815.

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This paper proposes a methodology for the reduction of marine gas turbine exhaust gas temperatures via water mist injection into exhaust gas ducts with the aim of reducing a ship’s infrared (IR) signature. Due to the difficulty of conducting live experimental tests on warships, Computational Fluid Dynamic (CFD) techniques can be employed to predict phase interaction behaviour (water mist and exhaust gases) within gas turbine exhausts. CFD techniques attempt to find numerical solutions to the equations that govern phase interaction phenomena through the setting and resolution of mathematical mo
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He, Yue Jun, Bao Lin Ren, He Gang Xu, Wang Hua, and Chun Heng Li. "Experimental Investigation of the Water-Based Fog Screen System in Photoelectric Interference." Applied Mechanics and Materials 385-386 (August 2013): 1921–26. http://dx.doi.org/10.4028/www.scientific.net/amm.385-386.1921.

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The water-based fog screen system for photoelectric interference, with low cost, energy-saving and environmental features, is a new type of interference material. This article describes and investigates the physical characteristics of the water-based fog screen, the principle behind the interference of visible light, infrared and other electromagnetic waves using mist, the composition of the water-based fog screen system and its significance in military applications.
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Balner, Dalibor, Karla Barčová, and Michal Dostál. "Attenuation of Infrared Radiation When Passing Through a Water Curtain." TRANSACTIONS of the VŠB – Technical University of Ostrava, Safety Engineering Series 12, no. 1 (2017): 1–8. http://dx.doi.org/10.1515/tvsbses-2017-0001.

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Abstract This article focuses on the interaction of infrared (IR) radiation with water droplets. The main objective of the article is the production of water mist in order of evaluation the reduction in intensity of IR radiation. In the experiments described in this paper, a set of five different nozzles was used with various spray characteristics. The respective nozzles were gradually located between the IR radiation source and a detector and the attenuation of IR radiation was assessed. The reduction in IR radiation intensity was determined and IR radiation transmittance was calculated for t
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Kusuma Afdhal, Thirafi Hadi, and Nefy Puteri Novani. "Design of Hand Sanitizing Device with Mist Spray Based On Microcontroller." CHIPSET 6, no. 01 (2025): 94–102. https://doi.org/10.25077/chipset.6.01.94-102.2025.

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The importance of hand washing habits as part of a healthy lifestyle is one of the basic hygiene practices that are effective in preventing the spread of disease and infection. In this study, the design and implementation of a hand sanitizer using a microcontroller-based disinfectant mist has been developed. The design of this system can be a solution to saving water when washing hands and increasing hand washing habits with the availability of this tool in public places. This tool uses a Passive Infrared (PIR) sensor to detect the presence of hands, then the mist maker will be active to produ
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Huang, Kuan-Tzu, and Yao-Hsien Liu. "Enhancement of Mist Flow Cooling by Using V-Shaped Broken Ribs." Energies 12, no. 19 (2019): 3785. http://dx.doi.org/10.3390/en12193785.

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Substantial heat transfer enhancement can be achieved by cooling with air/water mist flow because of droplet impingement and liquid film/fragment evaporation on the heated surface, which leads to a high heat-removal rate. An experimental investigation was conducted in a square channel with continuous and broken V-shaped ribs. To generate a mist flow, micro droplets were introduced into the gas stream. The rib angle of attack was 45°, and the rib spacing-to-height ratios were 10 and 20. The air Reynolds number ranged from 7900 to 24,000, and the water-to-air volume flow ratio was less than 0.1%
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Zhang, Haoliang, Hongfu Mi, Peng Shao, et al. "Effect of Ultrafine Water Mist with K2CO3 Additives on the Combustion and Explosion Characteristics of Methane/Hydrogen/Air Premixed Flames." Processes 12, no. 12 (2024): 2918. https://doi.org/10.3390/pr12122918.

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To ensure the safe utilization of hydrogen-enriched natural gas (HENG), it is essential to explore effective explosion suppressants to prevent and mitigate potential explosions. This study experimentally investigates the impact of ultrafine water mist containing K2CO3 additives on the explosion characteristics of methane/hydrogen/air premixed combustion. The influence of varying K2CO3 concentrations on pressure rise rates and flame propagation was analyzed across different hydrogen blending ratios. The results demonstrate that the addition of K2CO3 to ultrafine water mist significantly enhance
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Zeng, Zhuo, Nenglin Yuan, Yitao Zou, and Hong Shi. "Optimization thermal performance of ship infrared suppression devices via dual-layer water mist cooling." International Journal of Thermal Sciences 218 (December 2025): 110126. https://doi.org/10.1016/j.ijthermalsci.2025.110126.

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Zhang, Yue, Qiang Fu, Kaiming Luo, et al. "Analysis of Two-Color Infrared Polarization Imaging Characteristics for Target Detection and Recognition." Photonics 10, no. 11 (2023): 1181. http://dx.doi.org/10.3390/photonics10111181.

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Infrared polarization imaging has demonstrated significant advantages in target detection and recognition in natural environments. While there have been numerous research achievements on medium-wave/long-wave infrared polarization in a single band, there is a lack of related conclusions on the characteristics of wide spectral two-color infrared polarization imaging. To address this gap, this article employs a theoretical model in infrared polarization imaging to investigate the influence of temperature, incident angle, and refractive index on polarization degree and polarization angle. These f
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Dissertations / Theses on the topic "Infrared- Water mist"

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Tyagi, Amit. "Characterization and suppression of IR signatures emitted by hot exhaust plume using water mist." Thesis, IIT Delhi, 2016. http://localhost:8080/iit/handle/2074/7085.

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Lechêne, Sullivan. "Etude expérimentale et numérique des rideaux d'eau pour la protection contre le rayonnement thermique." Phd thesis, Université Henri Poincaré - Nancy I, 2010. http://tel.archives-ouvertes.fr/tel-00539894.

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Les rideaux d'eau sont des milieux semi-transparents constitués de gouttelettes d'eau dispersées dans l'air. Le but de ces rideaux ici n'est pas d'interagir avec la flamme dans une optique d'extinction mais plutôt d'agir en tant que boucliers radiatifs contre une forte source de chaleur. En effet, placés entre une source radiative et une cible à protéger, ils permettent de limiter la propagation du rayonnement grâce notamment au caractère absorbant et diffusant des gouttelettes d'eau. L'intérêt du brouillard d'eau réside dans la présence de fines gouttelettes d'eau. Elles possèdent, à quantité
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Nguyen, The Thuong. "Etude du vieillissement cutané par microspectroscopie vibrationnelle : mise en évidence d’altérations affectant le collagène I dermique." Thesis, Reims, 2013. http://www.theses.fr/2013REIMS034/document.

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La peau est un organe particulier de l'organisme dont la fonction principale est un rôle de protection vis-à-vis du milieu extérieur. Cette fonction est assurée grâce à la structure du tissu cutané en trois couches (épiderme, derme, hypoderme). Le derme est responsable de la résistance et de la souplesse de la peau. Le composant moléculaire majeur du derme est le collagène de type I, qui est fortement altéré au cours du vieillissement chronologique. Dans ce contexte, notre étude a pour objectif d'évaluer les modifications moléculaires du collagène dermique associées au vieillissement cutané pa
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Conference papers on the topic "Infrared- Water mist"

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Liu, Xiaomin, Yongjin Liu, Qunnie Peng, Feiran Jie, and Delie Ming. "Calculation of Attenuation of Infrared Radiation Energy By Ship Water Mist." In 2019 IEEE 8th Joint International Information Technology and Artificial Intelligence Conference (ITAIC). IEEE, 2019. http://dx.doi.org/10.1109/itaic.2019.8785527.

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Wu, Cunqian, Haibin Wu, and Xinbing Chen. "Research on near-infrared polarization imaging based on water mist environment." In 2022 International Conference on Optoelectronic Materials and Devices, edited by Qiang Huang. SPIE, 2023. http://dx.doi.org/10.1117/12.2674153.

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Chen, Zhong-wei, Xin-gang Liang, Xiang-hua Xu, Hong-bin Wang, and Ling-jiang Zhang. "Infrared attenuation analysis of lognormal distribution water mist in the atmosphere windows." In International Symposium on Photoelectronic Detection and Imaging 2009, edited by Jeffery Puschell, Hai-mei Gong, Yi Cai, Jin Lu, and Jin-dong Fei. SPIE, 2009. http://dx.doi.org/10.1117/12.834517.

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Huang, Yi-Hsuan, Chiao-Hsin Chen, and Yao-Hsien Liu. "Non-Boiling Heat Transfer of Air/Water Mist Flow in a Square Duct With Orthogonal Ribs." In ASME 2016 Heat Transfer Summer Conference collocated with the ASME 2016 Fluids Engineering Division Summer Meeting and the ASME 2016 14th International Conference on Nanochannels, Microchannels, and Minichannels. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/ht2016-7158.

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Heat transfer of mist flow in a rib-roughened square duct was experimentally determined using infrared thermography. The mist flow was generated by introducing fine dispersed water droplets into the air stream. A constant heat flux was applied to the surface during the test and the surface temperature was kept below the boiling point. The heat transfer measurement was performed on a heated surface located inside a vertical square duct with a hydraulic diameter of 4cm. The air/water mist flow was carried upward by air flow from a blower placed at the bottom of the duct. The flow passed through
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Gonome, Hiroki, Kaito Suzuki, Yuto Takagi, Shuichi Moriya, Junnosuke Okajima, and Takuma Kogawa. "SPECTRAL TRANSMITTANCE MEASUREMENT OF WATER MIST FROM DUAL FLUID NOZZLE IN INFRARED REGION." In Proceedings of the 10th International Symposium on Radiative Transfer, RAD-23 Thessaloniki, Greece, 12–16 June 2023. Begellhouse, 2023. http://dx.doi.org/10.1615/rad-23.320.

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Dombrovsky, Leonid A., Vladimir P. Solovjov, and Brent W. Webb. "ATTENUATION OF SOLAR RADIATION BY WATER MIST FROM THE ULTRAVIOLET TO THE INFRARED RANGE." In RADIATIVE TRANSFER - VI. Proceedings of the 6th International Symposium on Radiative Transfer. Begellhouse, 2010. http://dx.doi.org/10.1615/ichmt.2010.rad-6.240.

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Liu, Yao-Hsien, Chia-Cheng Lin, and Chiao-Hsin Chen. "Droplet Size Characterization for Mist Flow in a Single-Side Heated Vertical Square Duct." In ASME 2014 4th Joint US-European Fluids Engineering Division Summer Meeting collocated with the ASME 2014 12th International Conference on Nanochannels, Microchannels, and Minichannels. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/fedsm2014-21416.

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Cooling with mist flow can achieve higher heat transfer rates to meet the cooling requirements in recent industry applications. The mist flow was produced by introducing the dispersed water droplets in the air stream, and was used for cooling a heated surface in a vertical square duct with the hydraulic diameter of 4 cm. Digital image analysis method was developed to obtain the size of the droplets ranging from 20 to 110μm. The digital images were segmented using the optimal threshold gray level for droplets sizing. Droplet size variation subjected to a single-side heated wall with constant he
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Wang, Ting, and Lei Zhao. "Development of an Experimental Test Facility for Investigating Mist/Air Film Cooling Application in Gas Turbine Airfoils." In ASME Turbo Expo 2013: Turbine Technical Conference and Exposition. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/gt2013-94476.

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Film cooling is a cooling technique widely used in high-performance gas turbines to protect the turbine airfoils from being damaged by hot flue gases. Motivated by the need to further improve the turbine hot section cooling performance, a new cooling scheme, mist/air film cooling is investigated. A small amount of tiny water droplets with an average diameter about 7 μm (mist) is injected into the cooling air to enhance the cooling performance. One key feature in understanding mist cooling is the ability to capture droplet information. This paper presents the experimental facility and instrumen
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Abdelmaksoud, Ramy, and Ting Wang. "An Experimental Investigation of Sweeping Air/Mist Jet Film Cooling Through a Row of Passive Fluidic Oscillators." In ASME Turbo Expo 2023: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2023. http://dx.doi.org/10.1115/gt2023-100427.

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Abstract Sweeping jet fluidic oscillators can be a promising candidate in film cooling applications since they have a large lateral jet spreading with more uniform cooling which can be considered an advantage when compared to the regular steady jet film cooling. Sweeping jet fluidic oscillators are passive and can generate a sweeping movement without the need for any moving parts. In addition, they can be more conveniently manufactured by additive manufacturing techniques. This paper presents an experimental study of employing two-phase (air/mist) flow through a row of passive fluidic oscillat
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Zhao, Lei, and Ting Wang. "An Experimental Study of Mist/Air Film Cooling on a Flat Plate With Application to Gas Turbine Airfoils: Part 1 — Heat Transfer." In ASME Turbo Expo 2013: Turbine Technical Conference and Exposition. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/gt2013-94477.

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Film cooling is a cooling technique widely used in high-performance gas turbines to protect the turbine airfoils from being damaged by hot flue gases. Motivated by the need to further improve film cooling in terms of both cooling effectiveness and coolant coverage area, the mist/air film cooling scheme is investigated through experiments in this study. A small amount of tiny water droplets (7% wt.) with an average diameter about 5 μm (mist) is injected into the cooling air to enhance the cooling performance. A wind tunnel system and test facility is specifically built for this unique experimen
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