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Relevant bibliographies by topics / Liquid-vapor jet unit

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Journal articles
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Academic literature on the topic 'Liquid-vapor jet unit'

Author: Grafiati

Published: 28 May 2022

Last updated: 31 July 2025

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Journal articles on the topic "Liquid-vapor jet unit"

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Sharapov, Serhii, Sviatoslav Yevtushenko, Vitalii Panchenko, Viktor Kozin, and Oleksandr Ivchenko. "Improving the efficiency of condensation installations of steam turbines by applying liquid-vapor ejector." Eastern-European Journal of Enterprise Technologies 4, no. 8 (118) (2022): 44–51. http://dx.doi.org/10.15587/1729-4061.2022.263331.

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This paper considers the possibility of using liquid-vapor ejectors in condensing units of steam turbines. This unit is designed for pumping out a steam-air mixture from a steam turbine condenser, in which the process occurs at a pressure lower than atmospheric. In the traditional scheme, this is provided by a two-stage steam-jet ejector unit. The proposed scheme involves the use of a single-stage liquid-vapor ejector and its possible pre-vacuum mode of operation in conjunction with a liquid-ring vacuum pump. A working process of the liquid-vapor ejector does not require the supply of working

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Serhii, Sharapov, Yevtushenko Sviatoslav, Panchenko Vitalii, Kozin Viktor, and Ivchenko Oleksandr. "Improving the efficiency of condensation installations of steam turbines by applying liquid-vapor ejector." Eastern-European Journal of Enterprise Technologies 4, no. 8 (118) (2022): 44–51. https://doi.org/10.15587/1729-4061.2022.263331.

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Abstract:

This paper considers the possibility of using liquid-vapor ejectors in condensing units of steam turbines. This unit is designed for pumping out a steam-air mixture from a steam turbine condenser, in which the process occurs at a pressure lower than atmospheric. In the traditional scheme, this is provided by a two-stage steam-jet ejector unit. The proposed scheme involves the use of a single-stage liquid-vapor ejector and its possible pre-vacuum mode of operation in conjunction with a liquid-ring vacuum pump. A working process of the liquid-vapor ejector does not require the supply of working

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3

Sharapov, Serhii, Jan Krmela, Danylo Husiev, Anton Verbytskiy, and Jozef Bocko. "Heat Utilization in Boiler Plants by Using Liquid-Vapor Jet Apparatus." Journal of Engineering Sciences 11, no. 2 (2024): G1—G8. http://dx.doi.org/10.21272/jes.2024.11(2).g1.

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The article solves the problem of heat utilization from combustion products in boiler plants. The proposed solution involves extracting heat to preheat the network water for the heating system and implementing additional heat utilization using a liquid-vapor jet apparatus. This will allow for additional working steam generation in the main steam generator and the unit based on the liquid-vapor jet apparatus. The article provides schemes and descriptions of traditional and proposed plants, indicating their design differences from the basic scheme. Comparative thermodynamic analysis of the propo

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Korshak, Aleksey А., Arina V. Nikolaeva, Аnna S. Nagatkina, Marat Т. Gaysin, Andrey A. Korshak, and Vladimir V. Pshenin. "Method for predicting the degree of hydrocarbon vapor recovery at absorption." SCIENCE & TECHNOLOGIES OIL AND OIL PRODUCTS PIPELINE TRANSPORTATION 10, no. 2 (2020): 202–9. http://dx.doi.org/10.28999/2541-9595-2020-10-2-202-209.

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Over the years of practical use of absorption, various methods for calculating absorbers have been developed. Among others, the calculation of mass transfer processes was created based on the use of a so-called mass transfer coefficient β, showing how much mass of the target substance passes from the gas phase to the liquid one through a surface area unit per time unit. To determine β, empirical equations are used depending on their validity for a particular type of absorber and operating conditions given. However, these calculations are relatively complex and fail to be applicable to whatever

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Zhang, Haida, Chenxing Fan, Luyao Wang, Wenjun Lu, and Deng Li. "The Generation Methods and Applications of Cavitating Jet by Using Bubble Collapse Energy." Energies 17, no. 23 (2024): 5902. http://dx.doi.org/10.3390/en17235902.

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Cavitation is a dynamic process characterized by the formation, growth, and collapse of vapor or gas vacuoles in liquids or at the liquid–solid interface, initiated by a local pressure drop. This phenomenon releases concentrated energy through microjet impacts and shock waves, leading to a violent exchange of energy with the surrounding environment. While cavitation is often perceived as detrimental, certain aspects can be harnessed for practical applications. Relevant studies have shown that cavitating jets provide high operating efficiencies, reduce energy consumption per unit, and have the

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Al-Dabbas, Mohammad Awwad Ali. "The Availability of Hybrid Nano Adsorption-Multi Stage Ejector Cooling Cycle with a Different Type of Steam Generator." Mathematical Modelling of Engineering Problems 8, no. 5 (2021): 826–36. http://dx.doi.org/10.18280/mmep.080520.

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Ejectors are a kind of pump that does not have any moving components. In certain cases, the motor fluid may be a liquid, steam, or another gas. The research focuses on using nano adsorption combined with a multi ejector to fuel a sophisticated nano adsorption power plant, which is equipped with three shapes of steam boiler generators. The simulation was accomplished by implementing it with the cooperation of the two programs MATLAB A and MATLAB B, together with a solid flow. To raise the temperature of the working fluid before it enters the generator, a jet pump is positioned before the genera

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Hannon, John R., Lee R. Lynd, Onofre Andrade, et al. "Technoeconomic and life-cycle analysis of single-step catalytic conversion of wet ethanol into fungible fuel blendstocks." Proceedings of the National Academy of Sciences 117, no. 23 (2019): 12576–83. http://dx.doi.org/10.1073/pnas.1821684116.

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Technoeconomic and life-cycle analyses are presented for catalytic conversion of ethanol to fungible hydrocarbon fuel blendstocks, informed by advances in catalyst and process development. Whereas prior work toward this end focused on 3-step processes featuring dehydration, oligomerization, and hydrogenation, the consolidated alcohol dehydration and oligomerization (CADO) approach described here results in 1-step conversion of wet ethanol vapor (40 wt% in water) to hydrocarbons and water over a metal-modified zeolite catalyst. A development project increased liquid hydrocarbon yields from 36%

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8

Prokopov, M., S. Sharapov, Yu Merzlyakov, and D. Gusev. "The energy efficiency concept and implementation prospects of the jet thermocompression principle in small heat energy." Energy and automation, no. 2(54) (June 22, 2021): 39–51. http://dx.doi.org/10.31548/energiya2021.02.039.

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The expediency of the implementation of the principle of steam thermal compression to improve the energy efficiency of sources of electricity and heat supply of small heat power engineering is substantiated. The results of thermodynamic analysis and numerical optimization of the parameters of the compressor steam-turbine cycle of a small cogeneration power plant are presented. A jet step-down thermotransformer has been tested - as an alternative to traditional boiler heating. On the basis of the conducted thermodynamic analysis, a new combined cycle of a step-down thermotransformer has been de

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Dissertations / Theses on the topic "Liquid-vapor jet unit"

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Мерзляков, Юрій Сергійович, Юрий Сергеевич Мерзляков та Yurii Serhiiovych Merzliakov. "Робочий процес рідинно-парового струминного апарата вихрового типу". Thesis, Сумський державний університет, 2018. http://essuir.sumdu.edu.ua/handle/123456789/67857.

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Дисертаційна робота присвячена моделюванню робочого процесу рідинно-парового струминного апарата (РПСА) вихрового типу, який працює за принципом струминної термокомпресії. Досліджений вплив початкових термічних і витратних параметрів та характеристик активного і пасивного потоків на ефективність процесу пароутворення у полі відцентрових сил. Це дозволило визначити зону режимних параметрів, що відповідають максимальним значенням коефіцієнта інжекції. Математичне моделювання взаємодії скипаючої у вихровому потоці рідини та інжектованої пари здійснювалось за допомогою програмного комплексу ANSYS

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Conference papers on the topic "Liquid-vapor jet unit"

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Stearns, Steven V., Trevis J. Gigliotti, and Darryl G. Murdock. "Airborne DIAL (Differential Absorption Lidar) for Broad Area Hazardous Liquid Leak Detection." In 2006 International Pipeline Conference. ASMEDC, 2006. http://dx.doi.org/10.1115/ipc2006-10460.

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Over the summer of 2005 ITT Space Systems Division successfully detected, measured, and imaged a range of different hazardous liquids from an airborne platform during a series of field tests in Texas and New York. Under contract from the United States Department of Transportation Pipeline and Hazardous Materials Safety Administration (DOT/PHMSA), ITT examined the ability of its Airborne Natural Gas Emission Lidar (ANGEL) Service’s system to detect, measure, and image a wide range of different hydrocarbons from a remote sensing airborne platform. The objectives of the DOT/PHMSA contract were to

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Fujimoto, Hitoshi, Ryota Doi, Tomohiro Ogihara, Takayuki Hama, and Hirohiko Takuda. "Experimental Study on Oblique Collisions of Water Droplets With Hot Solid." In ASME 2010 International Mechanical Engineering Congress and Exposition. ASMEDC, 2010. http://dx.doi.org/10.1115/imece2010-37625.

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The oblique collision of single water droplets with a hot Inconel 625 alloy surface has been investigated by means of a two-directional flash photography technique that uses two digital still cameras and three flash units. The experiments were conducted under the following conditions. The pre-impact diameter of the droplets was approximately 0.6 mm, the impact velocity was 1.9–3.0 m/s, and the temperature of the Inconel 625 alloy surface ranged from 170 °C to 500 °C. The impact angle of the horizontal line to the tilted solid surface was 30°. When a droplet impacts a solid at a temperature of

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