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Artigos de revistas sobre o tema "Jet-steam"

Autor: Grafiati

Publicado: 7 de setembro de 2024

Última modificação: 31 de julho de 2025

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1

Shavdinova, M. D. "ENHANCEMENT OF STEAM-TURBINE CONDENSER STEAM-JET EJECTOR." Eurasian Physical Technical Journal 18, no. 4 (38) (2021): 52–58. http://dx.doi.org/10.31489/2021no4/52-58.

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A three-stage steam-jet ejector EPO-3-200 with a working steam flow rate of 850 t / h is installed at the Combined Heat and Power Plant-2 of the city of Almaty on heating turbines. In this paper, the replacement of the existing three-stage steam-jet ejector with a two-stage steam-jet ejector is proposed and substantiated. As a result of the replacement, they obtained a saving of heat (steam) for their own needs for the production of electrical energy. It has been established that at a pressure in the turbine condenser significantly lower than 100 kPa, it is advisable to install a new two-stage

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2

Melkias, Alvera Apridalianti, and Shahrul Nuno Gomez. "Evaluasi Kinerja Steam Jet Ejector Tingkat Pertama Terhadap Kevakuman Kondensor." Jurnal Surya Teknika 11, no. 1 (2024): 318–24. http://dx.doi.org/10.37859/jst.v11i1.7259.

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The steam jet ejector is a device for extracting NCG from the condenser. NCG can increase the pressure in the condenser until a vacuum condition is not reached. The diffuser pressure on the steam jet ejector has a normal operational limit of below 1 atm, meaning that the ejector performance will be optimal if it is operated at the operational limit under vacuum conditions. The expected objectives are to determine the effect of the steam jet ejector on condenser vacuum, calculate the performance of the first level steam jet ejector through pressure analysis in the diffuser section, calculate th

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3

Wickramasinghe, Ganemulle Lekamalage Dharmasri, and Peter William Foster. "Investigation of the use of steam for spun-like textured yarn manufacturing." International Journal of Clothing Science and Technology 27, no. 2 (2015): 177–90. http://dx.doi.org/10.1108/ijcst-01-2014-0017.

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Purpose – The purpose of this paper is to investigate the use of steam in order to replace air in the production of spun-like textured yarns. Further, this paper analyse the effect of production speed on process and textured yarn properties. Design/methodology/approach – An existing air-jet texturing machine was modified to supply either air or steam to the texturing nozzle. Using standard commercial nozzles, both air-jet and steam-jet textured yarns were manufactured by varying production speed. Findings – It can be concluded that steam can be used as an alternative fluid for air in making sp

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4

Dai, Xiao Chun, and Jian Huo. "Numerical Simulation on Flow Structure of a Steam-Jet Pump Influenced by Primary Nozzle Geometries." Applied Mechanics and Materials 130-134 (October 2011): 1703–7. http://dx.doi.org/10.4028/www.scientific.net/amm.130-134.1703.

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The aim of the paper is to reveal the flow structure and the mixing process of a steam-jet pump by using a computational fluid dynamics code FLUENT. Discusses the effect on a steam-jet pump’s entrainment ratio when the throat diameter of the primary nozzle as well as the outlet diameter of the primary nozzle is varied. Analyzes the position of shock wave which will bring the steam-jet pump’s performance a great loss. The performances of a steam-jet pump are studied by changing back pressures while the distance between primary nozzle outlet and mixing chamber inlet (DPM) is varied. The entrainm

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5

Fujita, Isamu, Muneo Yoshie, and Yukihiro Saito. "Steam Jet Pump For Oil Recovery And Reformation." International Oil Spill Conference Proceedings 2005, no. 1 (2005): 589–93. http://dx.doi.org/10.7901/2169-3358-2005-1-589.

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ABSTRACT This paper discusses basic performances of the steam jet suction device and its potential application to the spilled oil recovery. The experiments were carried out on suction and ejection performance of the steam-driven jet pump as well as its other benefits such as breaking emulsion or an application to a beach cleaning device. The paper additionally includes some basic topics related to the process of emulsion breaking by surface active agents. The main conclusions of the study are (1) A steam-jet pump is basically suitable to recover and transfer high viscosity spilled oil because

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6

Li, Xin, Guangsheng Wei, Rong Zhu, Bohan Tian, Ruimin Zhao, and Xinyi Lan. "Study on the Characteristics of Coherent Supersonic Jet with Superheated Steam." Metals 12, no. 5 (2022): 835. http://dx.doi.org/10.3390/met12050835.

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By establishing a mathematical model to simulate a mixed jet of oxygen and superheated steam from a coherent supersonic jet oxygen lance, we studied the effect of superheated steam on the fluid characteristics of the mixed jet. The model was initially verified through laboratory experiments prior to analyzing the fluid characteristics of the mixed jet in detail. These characteristics included the jet velocity, the temperature, the turbulent kinetic energy (TKE), and the mass distribution. The results showed that, at an ambient temperature of 1700 K, the jet velocity measured in the laboratory

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7

Zwawi, Mohammed, Afrasyab Khan, Ali Bahadar, and Mohammed Algarni. "Study of Steam-Induced Convection in a Rotating Vertical Flow Channel." Mathematics 11, no. 1 (2022): 79. http://dx.doi.org/10.3390/math11010079.

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The phenomenon of steam–water direct contact condensation has significance in a wide range of industrial applications. Superheated steam was injected upward into a cylindrical water vessel. Visual observations were conducted on a turbulent steam jet to determine the dimensionless steam jet length compared to the steam nozzle exit diameter and the steam maximum swelling ratio as a function of steam mass flux at the nozzle exit, with a gas steam flux ranging from 295–883 kg/m2s. The Reynolds number based on the steam jet’s maximum expansion ranged from 41,000 to 93,000. Farther above of the cond

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8

Ren, Da Bin, Xian Kun Wang, Jiao Lei, and Jiu Mei Xiao. "Study on a Development Platform of Virtual Steam Jet Pump Based on Virtual Prototyping Technology." Advanced Materials Research 139-141 (October 2010): 1498–501. http://dx.doi.org/10.4028/www.scientific.net/amr.139-141.1498.

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Based on virtual prototyping technology (VPT) and software engineering principles, and combining with the characteristics of steam jet pump, a virtual prototyping development platform of steam jet pump, consisting of five functional models, including general scheme design, virtual physical prototype design, virtual performance prototype design, assemble process analysis and VR model design and evaluation, was present in this paper. The architecture and functional model of the virtual steam jet pump prototyping development platform (VSJPDP) were proposed in the article. The ideas corresponding

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9

Hogekamp, Stefan. "Steam Jet Agglomeration - Part 1: Production of Redispersible Agglomerates by Steam Jet Agglomeration." Chemical Engineering & Technology 22, no. 5 (1999): 421–24. http://dx.doi.org/10.1002/(sici)1521-4125(199905)22:5<421::aid-ceat421>3.0.co;2-0.

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10

Dai, Xiao Chun. "Numerical Study on the Flow Structure of a Steam-Jet Vacuum Pump at Different Throat Length." Advanced Materials Research 542-543 (June 2012): 1053–56. http://dx.doi.org/10.4028/www.scientific.net/amr.542-543.1053.

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The aim of the study is to reveal the complication of the flow process of a steam-jet by using the simulation software package (FLUENT). The paper is able to analyze the flow phenomena inside the steam-jet when its throat length was varied. It is found that the entrainment ratio remains unchanged when the throat length is varied. It is also found that the shocking position moved closer to the exit of the vacuum pump and the critical back pressure of the steam-jet pump increased with the elongation of the throat.

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11

Yang, Dong, Xiao Jie Zhang, and Meng Zhang. "The Research Progress of Steam Jet Pump Design Method." Advanced Materials Research 960-961 (June 2014): 543–46. http://dx.doi.org/10.4028/www.scientific.net/amr.960-961.543.

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The use of steam steam ejector is formed in a Laval nozzle entrained flow speed airflow to the power unit of the body, has a simple structure, easy maintenance, stable and reliable, pumping capacity, etc.which is widely used in metallurgy, chemical, pharmaceutical , food and other industries. Based on the comprehensive domestic steam jet pump theory and design based on the results of its variety of design methods reviewed, and in accordance with design features and compare their design processes, raise steam jet pump design trends.

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12

El-Dessouky, Hisham, Hisham Ettouney, Imad Alatiqi, and Ghada Al-Nuwaibit. "Evaluation of steam jet ejectors." Chemical Engineering and Processing: Process Intensification 41, no. 6 (2002): 551–61. http://dx.doi.org/10.1016/s0255-2701(01)00176-3.

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13

Khlystov, A. "The steam-jet aerosol collector." Atmospheric Environment 29, no. 17 (1995): 2229–34. http://dx.doi.org/10.1016/1352-2310(95)00180-7.

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14

Hogekamp, Stefan. "Steam-Jet Agglomeration - Part 2: Modeling Agglomerate Growth in a Modified Steam-Jet Agglomerator." Chemical Engineering & Technology 22, no. 6 (1999): 485–90. http://dx.doi.org/10.1002/(sici)1521-4125(199906)22:6<485::aid-ceat485>3.0.co;2-u.

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15

Гоняева, С. С., В. В. Кожемякин, В. О. Кожемякин, Н. А. Морозов, С. А. Николаева, and А. В. Аполлова. "Emergency core cooling systems." MORSKIE INTELLEKTUAL`NYE TEHNOLOGII)</msg> 1, no. 1(63) (2024): 105–9. http://dx.doi.org/10.37220/mit.2024.63.1.012.

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Работа посвящена разработке системы пассивного отвода теплоты от реактора, способной обеспечить штатное и аварийное расхолаживание реактора, а также обеспечить работу установки на малых мощностях реактора без участия паротурбинной установки. Обеспечить циркуляцию теплоносителя в этой системе предложено с помощью пароводяных струйных аппаратов с дозвуковым паровым соплом, аналогичных ранее разрабатывавшимся для интегрального реактора «Бета». Системы с подобными струйными аппаратами склонны к пульсации параметров из-за срывов и перезапусков пароводяных струйных аппаратов. В виду этого, была пред

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16

Sangsom, Wilasinee, and Chouw Inprasit. "Design and Development of Innovative Steam Injection for High-Temperature Short-Time Liquid Foods." Processes 10, no. 1 (2022): 161. http://dx.doi.org/10.3390/pr10010161.

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Jet impingement has been effective in reducing the process time and improvement of product quality in various industrial applications, such as textile and paper drying, electronic cooling, glass quenching and food processing. The current work applied innovative steam injection to liquid food continuous sterilization. The multiple impingement jets of steam and product came together in the impingement tank. The effects were investigated on the Reynolds number, steam temperature and jet-to-target spacing (H/d), sterilization temperature and heat transfer efficiency in water and pineapple juice te

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17

Sadkin, I. S., E. P. Kopyev, M. A. Mukhina, and I. S. Anufriev. "Experimental study of the characteristics of heptane combustion in a high-speed steam jet." Journal of Physics: Conference Series 2233, no. 1 (2022): 012001. http://dx.doi.org/10.1088/1742-6596/2233/1/012001.

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Abstract This paper is devoted to the experimental study of the characteristics of heptane combustion in a high-speed superheated steam jet. The completeness of the combustion under steam gasification conditions and the gas composition of the heptane combustion products cooled to room temperature were determined. The averaged temperature of the flame was measured. It is shown that the presence of superheated steam ensures high combustion efficiency and reduces emissions of nitrogen oxides in comparison with a heated air combustion. It is also shown that the organization of liquid fuel combusti

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18

Sadkin, I. S., E. P. Kopyev, M. A. Mukhina, and I. S. Anufriev. "Experimental study of the characteristics of heptane combustion in a high-speed steam jet." Journal of Physics: Conference Series 2233, no. 1 (2022): 012001. http://dx.doi.org/10.1088/1742-6596/2233/1/012001.

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Abstract This paper is devoted to the experimental study of the characteristics of heptane combustion in a high-speed superheated steam jet. The completeness of the combustion under steam gasification conditions and the gas composition of the heptane combustion products cooled to room temperature were determined. The averaged temperature of the flame was measured. It is shown that the presence of superheated steam ensures high combustion efficiency and reduces emissions of nitrogen oxides in comparison with a heated air combustion. It is also shown that the organization of liquid fuel combusti

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19

Arsenyev, Vyacheslav, Victor Kozin, Iurii Merzliakov, and Mikhail Protsenko. "Jet Thermal Compression of the Ammonia-Water Mixture for Heat Pumps and Refrigerating Systems." Applied Mechanics and Materials 630 (September 2014): 61–65. http://dx.doi.org/10.4028/www.scientific.net/amm.630.61.

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The potential and features of thermotransformer operation has been investigated with the employment of jet thermal compression in heat pump or refrigeration cycles. Jet thermal principle is realized by means of injection and compression of the low-pressure steam with the help of working steam jet. It is formed with the help of relaxation vaporization of the subcooled liquid inside motive flow duct of jet compressor instead of the conventional mechanical compressor. It is a part of the jet thermal compression module which includes a liquid-vapor jet compressor, a separator, a pump and a heater.

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20

Yakush, S. E., N. S. Sivakov, V. I. Melikhov, and O. I. Melikhov. "Modelling of water jet impact on molten metal." Journal of Physics: Conference Series 2119, no. 1 (2021): 012073. http://dx.doi.org/10.1088/1742-6596/2119/1/012073.

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Abstract Splashes of high-temperature melt spreading over a water pool bottom can be a reason for the formation of a zone where melt, water and steam are mixed, providing conditions for powerful steam explosions. The paper considers the formation of melt splashes arising from the impact of a water jet on the surface of the melt. Numerical simulations are performed in 3D formulation, using the VOF method and an improved phase change model. The evolution of melt surface following the water jet impact is demonstrated, including the formation of a cavern, a primary melt splash known as the crown,

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21

Кожемякин, В. В., Н. А. Морозов, Ю. И. Раевская, and Д. П. Левша. "Influence of operating parameters on the static characteristics of the propulsion injector." MORSKIE INTELLEKTUAL`NYE TEHNOLOGII)</msg> 1, no. 1(63) (2024): 129–34. http://dx.doi.org/10.37220/mit.2024.63.1.015.

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В работе разработаны два варианта двигательно-движительной установки для скоростного судна. Особенностью таких установок является наличие парогазоводяного струйного аппарата (ПГВСА), используемого в качестве движителя. Также в состав установок входят компрессоры, турбины и насос. Исследования показали, что наиболее существенное влияние на характеристики парогазоводяного струйного аппарата оказывают недогрев смеси на выходе из диффузора после конденсации пара и паросодержание на входе в паровое сопло инжектора. Поэтому в данной работе выполнено расчетно-теоретическое исследование статических ха

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22

Beithou, N., and H. S. Aybar. "High-Pressure Steam-Driven Jet Pump—Part I: Mathematical Modeling." Journal of Engineering for Gas Turbines and Power 123, no. 3 (2000): 693–700. http://dx.doi.org/10.1115/1.1365934.

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There are several proposed advanced reactor systems, which consider the utilization of a steam-driven jet pump (SDJP) as an emergency core cooling system. The steam-driven jet pump is a device without moving parts, in which steam is used as an energy source to pump cold water from a pressure much lower than the steam pressure to a pressure higher than the steam pressure. In this study, the mathematical modeling of the SDJP has been done. An experimental analysis of the high-pressure SDJP has been reported by Cattadori et al. The results of the mathematical modeling of the SDJP have been compar

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23

Kazantsev, A., O. Supotnitskaya, and V. Sergeev. "SIMULATING OF DROP ENTRAINMENT IN THE JET-VORTEX CONDENSER OF THE VVER-440 CONFINEMENT SYSTEM." PROBLEMS OF ATOMIC SCIENCE AND TECHNOLOGY. SERIES: NUCLEAR AND REACTOR CONSTANTS 2021, no. 1 (2021): 108–16. http://dx.doi.org/10.55176/2414-1038-2021-1-108-116.

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The article presents the results of simulating the jet-vortex condenser operation. The jet-vortex condenser used as a part of the confinement system is designed to ensure the confinement integrity of an NPP with VVER-440 unit during LOCA accidents. To simulate the jet-vortex condenser operation it is important to keep a sufficient amount of water after a pressure peak was reached in the jet-vortex condenser hydraulic lock. The loss of water due to drop entrainment with steam-air mixture flow into the atmosphere stops when the velocity of drop sedimentation becomes higher than the velocity of d

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24

JIN, ERIC, TONY HABIB, SIMON YOUSSEF, STEVE OSBORNE, and HONGHI TRAN. "Development of converging-diverging multi-jet nozzles for molten smelt shattering in kraft recovery boilers." March 2021 20, no. 3 (2021): 199–207. http://dx.doi.org/10.32964/tj20.3.199.

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The effective shattering of molten smelt is highly desired in recovery boiler systems. Ideally, shatter jet nozzle designs should: i) generate high shattering energy; ii) create a wide coverage; and iii) minimize steam consumption. This study proposes a novel converging-diverging multi-jet nozzle design to achieve these goals. A laboratory setup was established, and the nozzle performance was evaluated by generating jet pressure profiles from the measurement of a pitot tube array. The results show that the shatter jet strength is greater with a large throat diameter, high inlet pressure, and a

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25

Khlystov, A., G. P. Wyers, H. M. ten Brink, and J. Slanina. "The steam-jet aerosol collector (SJAC)." Journal of Aerosol Science 26 (September 1995): S111—S112. http://dx.doi.org/10.1016/0021-8502(95)96963-8.

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26

Pollerberg, Clemens, Ahmed Hamza H. Ali, and Christian Dötsch. "Solar driven steam jet ejector chiller." Applied Thermal Engineering 29, no. 5-6 (2009): 1245–52. http://dx.doi.org/10.1016/j.applthermaleng.2008.06.017.

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27

Grzesiak, Szymon, and Andrzej Adamkiewicz. "Application of a Two-Stage Steam Jet Injector Unit for Latent Heat Recovery of a Marine Steam Turbine Propulsion Plant." Applied Sciences 11, no. 12 (2021): 5511. http://dx.doi.org/10.3390/app11125511.

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The paper presents the results of the numerical research of the steam jet injector applications for the regenerative feed water heating systems of marine steam turbine propulsion plants. The analysis shows that the use of a single injector for a single heat exchanger results in a relative increase in the thermal efficiency of the plant by 0.6–0.9%. The analysis also indicates the legitimacy of the usage of multistage feed water heating systems, which would enable the operating parameters optimization of the injectors. The obtained steam pressure up to the value of 1.8 barA allows for the heati

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28

Mukhina, Mariia, Evgeny Kopyev, and Evgeniy Shadrin. "Combustion of liquid hydrocarbons sprayed by air jet." E3S Web of Conferences 459 (2023): 07006. http://dx.doi.org/10.1051/e3sconf/202345907006.

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In the present work, the combustion of liquid hydrocarbons sprayed by air jet was studied using diesel fuel as an example. The dependences of nitrogen oxides and carbon monoxide concentrations in combustion products on the fuel and air flow rates were investigated using an atmospheric burner device. It is shown that while diesel fuel sprayed by air jet there is a wider range of operating parameters in comparison with steam spraying due to the flameout. Compared with atomization by air jet at room temperature, steam and heated air spraying have advantages, for these regimes the NOx concentratio

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29

Fu, Benshuai, Bingju Lu, Haiyan Xiao, Liping Qin, and Guanghua Li. "Experimental research on the atomization of transverse liquid jet." Journal of Physics: Conference Series 2764, no. 1 (2024): 012049. http://dx.doi.org/10.1088/1742-6596/2764/1/012049.

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Abstract The transverse liquid jet is widely used in gas-steam ejection, scramjet engines, and other engineering applications. The research of transverse liquid jets can provide a basis for product design and has a wide range of engineering application value. A high-temperature and high-pressure jet experimental system was designed according to the characteristics of the cooling water jet atomization in the gas-steam ejection power system. The high-speed photography method was used to obtain the macroscopic structural characteristics of the transverse liquid jet. In this paper, experimental re

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30

Zhang, Jing, Jing Gang Yi, Hai Yong Jiang, Jia Zhong Wang, and Jiang Tao Liu. "Research on Control System of Steam Scallop Shelling Machine." Applied Mechanics and Materials 441 (December 2013): 879–82. http://dx.doi.org/10.4028/www.scientific.net/amm.441.879.

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Steam control system of the steam scallop shelling machine is the key to ensure the stability and the continuous jet of steam during the process of scallop shell. This paper on the basic composition of steam generator, PLC, touch screen program design, several aspects of temperature sensor, pressure transmitter and so on. Through the transformation of the control system of steam generator, which can meet the design requirements of the task.

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31

Kim, Sang Ho, Seong-Wan Hong, and Rae-Joon Park. "Analysis of Steam Explosion under Conditions of Partially Flooded Cavity and Submerged Reactor Vessel." Science and Technology of Nuclear Installations 2018 (July 5, 2018): 1–12. http://dx.doi.org/10.1155/2018/3106039.

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A steam explosion in a reactor cavity makes a mechanical load of the pressure pulse, which can result in a failure of the containment isolation. To prove the integrity of the containment during the ex-vessel steam explosion, the effects of water conditions on a steam explosion have to be identified, and the impulse of a steam explosion has to be exactly assessed. In this study, the analyses for steam explosions were performed for the conditions of a partially flooded cavity and a submerged-vessel in a pressurized water reactor. The entry velocity of a corium jet for the scale of the test facil

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32

Wang, Zhe, Hong Li, Haiyan Chen, et al. "Effects of grinding and dehydration on kaolin in a steam jet mill." Clay Minerals 56, no. 1 (2021): 75–84. http://dx.doi.org/10.1180/clm.2021.18.

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AbstractSteam jet milling was applied for the first time to ultra-fine grind the filter cake (moisture content 23.80%) produced by a kaolin concentrator. The material was dehydrated and dried simultaneously during grinding, and the final ground sample met the moisture content requirement for powder products of <2%. The particle size of the ground kaolin samples decreased and the particle-size distribution was more concentrated, indicating that the steam jet milling was more effective for kaolin processing than the conventional dry grinding process. In addition, steam jet milling can improve

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33

Demikhov, K. E., and A. A. Ochkov. "On the Method of Calculating Diffusion Vacuum Pump Stage Pumping Parameters." Herald of the Bauman Moscow State Technical University. Series Mechanical Engineering, no. 2 (137) (June 2021): 85–93. http://dx.doi.org/10.18698/0236-3941-2021-2-85-93.

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At present, steam jet vacuum pumps are widely used in various fields of science and technology due to a number of advantages, e.g., reliability, relative simplicity of design, and manufacturability, over other pumping means. The paper analyzes the existing mathematical models of working processes, methods for calculating the pumping parameters of steam-jet vacuum pumps. The problem of improving these methods, which are used in the design, is still urgent. The study attempts to further develop the models in order to increase their practical significance for the pumps design: in particular, the

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Bortun, Anatoly, Mila Bortun, Benjamin Brown, and Jeremy Madynski. "Effect of High-Energy Milling on Ceria-Zirconia’s Redox Properties." Catalysts 13, no. 12 (2023): 1511. http://dx.doi.org/10.3390/catal13121511.

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Series of ceria-zirconia (CZ)-based nano-materials with a d50 in the range of 0.2 to 1.3 microns were made using the jar milling, Eiger milling, and steam jet milling (SJM) techniques. The effect of the milling conditions on the morphology and textural properties was studied. High-energy steam jet milling in a quasi-hydrothermal environment (with potential local temperature spikes over 500 °C) significantly impacted the CZ crystal structure by inducing lattice distortions. It was shown that the acquired lattice stress resulted in a significant increase in oxygen mobility, which was manifested

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35

Xu, Hai Lun, and Zi Lin Li. "Environmental Benefits and Energy Efficiency of Superheated Steam as Media in Processing Ultra-Fine Fly Ash Technology." Advanced Materials Research 160-162 (November 2010): 1558–63. http://dx.doi.org/10.4028/www.scientific.net/amr.160-162.1558.

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With superheated steam from thermal power plants for medium, the fluidized bed jet mill which had improved vertical turbine classifier was used to study Superheated steam as media in processing ultra-fine fly ash technology. Experiment tested the energy consumption of processing fly ash with superheated steam, which was converted into standard coal compared with the air jet mill technology to prove the environment and energy saving advantages in superheated steam-gas processing ultra-fine fly ash. Experimental results showed that this technology has low energy consumption, high grinding force,

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Shah, Ajmal. "STUDY OF STEAM-WATER DIRECT-CONTACT CONDENSATION IN STEAM JET PUMP." International Journal of Fluid Mechanics Research 44, no. 6 (2017): 487–97. http://dx.doi.org/10.1615/interjfluidmechres.2017019671.

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Touchton, G. L. "Influence of Gas Turbine Combustor Design and Operating Parameters on Effectiveness of NOx Suppression by Injected Steam or Water." Journal of Engineering for Gas Turbines and Power 107, no. 3 (1985): 706–13. http://dx.doi.org/10.1115/1.3239792.

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Steam or water injection has become the state-of-the-art abatement technique for NOx, with steam strongly preferred for combined-cycle application. In combined-cycle plants, the degradation of the plant efficiency due to steam injection into the gas turbine combustor provides a powerful incentive for minimizing this flow over the entire plant operating map. This paper presents the results of extensive tests carried out on a variety of gas turbine combustor designs. Both test stand and field test data are presented. The usual fuel in the tests is methane; however, some data are presented for co

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Akhmadi, Amin Nur, Faqih Fatkhurrozak, and Firman Lukman Sanjaya. "Rancang Bangun Mesin Steam Jet Mini Portable Power Spayer." IRA Jurnal Teknik Mesin dan Aplikasinya (IRAJTMA) 3, no. 1 (2024): 1–10. http://dx.doi.org/10.56862/irajtma.v3i1.95.

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Penelitian ini membahas tentang mesin steam jet mini portable power spayer dengan diuji dengan alat bantu flow meter untuk mengetahui spesifikasinya, Mesin ini dirancang untuk mudah dipindahkan dari satu tempat ke tempat lain, Mesin ini memiliki pompa yang dapat menciptakan tekanan air tinggi, Mesin steam jet ini dapat dioperasikan menggunakan motor DC, Mesin ini biasanya dibangun dengan bahan yang tahan terhadap korosi dan tahan lama untuk penggunaan jangka panjang, Untuk mewujudkan mesin steam jet mini portable power spayer yang mempunyai sistem sedehana, murah, mudah dioperasikan dan dirawa

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Trokoz, Ya Ye, P. O. Barabash, P. P. Kudelya, and O. B. Golubev. "Development and research of refrigeration cycle with biagent jet compressor." KPI Science News, no. 4 (February 14, 2022): 77–82. http://dx.doi.org/10.20535/kpisn.2021.4.252054.

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Background. Currently, in the cycles of steam-ejector refrigeration machines (SERM) are used monoagent jet compressors, the working body in which is water. Despite their low efficiency, SERM have a number of advantages over refrigeration machines that usemechanical compressors: low cost, ease of manufacture and reliability. The use of SERM is largely limited by the inability of these installations to reach temperatures below 0 °C. This limitation can be overcome by applying a fundamentally new steam compressioncycle using a bioagent (water-freon) jet compressor (BAJC).Objective. The purpose of

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Bolotnova, R. Kh, and V. A. Korobchinskaya. "The formation features of supercritical steam-water jets (review)." Multiphase Systems 17, no. 1-2 (2022): 27–37. http://dx.doi.org/10.21662/mfs2022.1.003.

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The review of works on study of dynamics formation of water fluid jet of supercritical parameters outflowing from a high-pressure chamber through a thin nozzle has been carried out. The system of model equations describing the dynamics of outflow processes in both single-phase and multiphase gas-vapor-liquid media is considered. It based on the laws of conservation of mass, momentum and energy of phases in accordance with single-pressure, single-speed and two-temperature approximations with the allowance for contact-type heat transfer and mass transfer for evaporation and condensation under eq

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Anjaiah, D., Raviraj Shetty, R. Pai, M. V. Kini, and S. S. Rao. "A Pressured Steam Jet Approach to Tool Wear Minimization in Cutting of Metal Matrix Composites." Materials Science Forum 561-565 (October 2007): 643–46. http://dx.doi.org/10.4028/www.scientific.net/msf.561-565.643.

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Metal matrix composites (MMCs) have been found to possess tremendous prospective engineering applications that require materials offering a combination of lightweight with considerably enhanced mechanical and physical properties. However, the applications of MMCs are limited by their poor machinability which is a result of their highly abrasive nature that causes excessive wear to the cutting tools. In this study, an investigation into the mechanism of the tool wear in cutting of MMCs is carried out. It is found that during cutting of an MMC, the tool cutting edge will impact on the reinforcem

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Khan, Afrasyab, Khairuddin Sanaullah, M. Sobri Takriff, Hushairi Zen, and Lim Soh Fong. "Inclined Injection of Supersonic Steam into Subcooled Water: A CFD Analysis." Advanced Materials Research 845 (December 2013): 101–7. http://dx.doi.org/10.4028/www.scientific.net/amr.845.101.

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The phenomenon of direct-contact condensation gains attention because of various industrial applications; nuclear reactor emergency core cooling systems,steam driven jet injectors, direct-contact heat exchangers etc..The phenomenon was investigated computationally by injecting an inclined steam jet using a supersonic nozzle submerged in subcooled water. The condensation mechanism is based on two resistance model, which involves consideration of the heat transfer process on both sides of the interface along with use of a variable steam bubble diameter. For computations, ANSYS Fluent based Euler

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GEORGIEV, Vasil, and Nenko NENOV. "LABORATORY REFRIGERATION UNIT WITH STEAM-JET COMPRESSOR." European Journal of Technic 8, no. 1 (2018): 13–16. http://dx.doi.org/10.36222/ejt.468476.

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IWAKI, Chikako, Michitsugu MORI, Tadashi NARABAYASHI, and Syuichi OHMORI. "Study on jet structure in steam injector." Proceedings of the JSME annual meeting 2003.2 (2003): 137–38. http://dx.doi.org/10.1299/jsmemecjo.2003.2.0_137.

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SEKISHITA, Nobumasa. "Investigations of Characteristics on a Steam Jet." Proceedings of Conference of Tokai Branch 2017.66 (2017): 429. http://dx.doi.org/10.1299/jsmetokai.2017.66.429.

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Aly, Narmine H., Aly Karameldin, and M. M. Shamloul. "Modelling and simulation of steam jet ejectors." Desalination 123, no. 1 (1999): 1–8. http://dx.doi.org/10.1016/s0011-9164(99)00053-3.

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Qu, Xiao-hang, Hui Sui, and Mao-cheng Tian. "CFD simulation of steam–air jet condensation." Nuclear Engineering and Design 297 (February 2016): 44–53. http://dx.doi.org/10.1016/j.nucengdes.2015.11.011.

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Choi, Choengryul, Se-Hong Oh, Dae Kyung Choi, Won Tae Kim, Yoon-Suk Chang, and Seung Hyun Kim. "CFD Analysis for Steam Jet Impingement Evaluation." Transactions of the Korean Society of Pressure Vessels and Piping 12, no. 2 (2016): 58–65. http://dx.doi.org/10.20466/kpvp.2016.12.2.058.

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Zaidenshtein, D. Kh, V. A. Mil'gram, and T. I. Usmanov. "New series of vacuum-jet steam pumps." Chemical and Petroleum Engineering 27, no. 2 (1991): 74–75. http://dx.doi.org/10.1007/bf01147662.

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Hogekamp, S., H. Schubert, and S. Wolf. "Steam jet agglomeration of water soluble material." Powder Technology 86, no. 1 (1996): 49–57. http://dx.doi.org/10.1016/0032-5910(95)03037-9.

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