Academic literature on the topic 'Liquid-steam stream compressor'

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Journal articles on the topic "Liquid-steam stream compressor"

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Prokopov, M. G., D. A. Levchenko, and A. E. Artyukhov. "Investigation of Liquid-Steam Stream Compressor." Applied Mechanics and Materials 630 (September 2014): 109–16. http://dx.doi.org/10.4028/www.scientific.net/amm.630.109.

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Thermophysical model of liquid-steam stream compressor, results of analysis of experimental researches of boiling up streams of liquid in the broadening ducting and running part of liquid-steam stream compressor, description of forming of three critical modes of flow and structural inversion of stream are presented in this article. The mathematical model of working process which allows to determine parameters and characteristics of liquid-steam stream compressor is presented.
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Bie, Yu, Ming Fu Hu, Xu Zhang, Xiao Qin Zhu, Jing Hua Chang, and Wen Yuan Mao. "Thermodynamic Analysis of an Ammonia Synthesis Process Based on Brayton Cycle." Advanced Materials Research 396-398 (November 2011): 939–45. http://dx.doi.org/10.4028/www.scientific.net/amr.396-398.939.

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The paper develops a new ammonia synthesis process based on Brayton cycle, successfully solving the problem of low heat recovery efficiency of reaction heat by conventional Rankine cycle. In the new process, a gas turbine expander is introduced to drive the multistage compressor coaxially instead of raising steam in a waste heat boiler to drive a steam turbine. Such a process represents a typical reaction-separation system with a recycle stream and cold separation of the product from the recycle loop. Through thermodynamic analysis, it is found that the ammonia synthesis system has the innate
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Dickson, David, Christopher Dreyer, and Greg Jackson. "Impact of Stack Temperature on Solid Oxide Electrolysis System Operation for Lunar Production of Hydrogen and Oxygen Propellants." ECS Meeting Abstracts MA2023-02, no. 66 (2023): 3203. http://dx.doi.org/10.1149/ma2023-02663203mtgabs.

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Solid oxide electrolysis (SOEC) systems have the potential to produce hydrogen and oxygen propellant from lunar ice found in the permanently shadowed cream on the moon. Because SOEC systems electrolyze steam instead of liquid water as in more conventional alkaline and proton-exchange membrane electrolysis systems, they require lower stack voltages for thermal-neutral operation (about 1.29 V/cell vs. 1.48 V/cell for liquid-fed cells) and thus can have lower stack specific energy as defined by stack power requirements per kg of hydrogen produced. However, at a system level, power requirements in
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Dickson, David, Nasim Emadi, Christopher Dreyer, et al. "Benchmarking and Simulation of Solid-Oxide Steam Electrolysis for Propellant Production in a Vacuum Chamber-Simulated Lunar Environment." ECS Meeting Abstracts MA2023-01, no. 54 (2023): 143. http://dx.doi.org/10.1149/ma2023-0154143mtgabs.

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NASA and other space agencies have prioritized the development of in-situ resource utilization (ISRU) technology for producing critical materials such as propellants in space. Electrolysis to split water found in lunar, asteroid, and Martian environments provides a pathway for liquid H2 and O2 production, but the challenges of deploying such technology in extraterrestrial environments put an extreme emphasis on minimizing specific energy (measured in kWhelec/kgH2) and system specific mass (system kg/(kgH2/h)). High-temperature, solid oxide electrolysis cell (SOEC) systems have the potential to
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Chekh, O., S. Sharapov, and V. Arsenyev. "Adiabated flowing streams in nozzles: influence of regular characteristics on relaxation steam formation." Refrigeration Engineering and Technology 55, no. 1 (2019): 10–14. http://dx.doi.org/10.15673/ret.v55i1.1347.

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Two-phase nozzles, in which the phase transition process takes place, can work in jet superchargers for various purposes, including jet thermal pumps (steam-water injectors) and thermal compressors. In such schemes of thermal transformers, the ejector performs the function of a preliminary compression stage in order to reduce the load on the compression of the working substance in the main compressor. The use of fluxes of boiling liquid as energy-efficient working fluids is inhibited due to the lack of a reliable description of the mechanism of their flow. Finding the dependence of the steam c
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Cammarata, Alberto, Paolo Colbertaldo, and Stefano Campanari. "Simulation of the HiPowAR power generation system for steam-nitrogen expansion after ammonia oxidation in a high-pressure oxygen membrane reactor." E3S Web of Conferences 312 (2021): 08016. http://dx.doi.org/10.1051/e3sconf/202131208016.

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The EU project HiPowAR studies a novel power generation system based on ammonia flameless oxidation with pure oxygen in a high-pressure membrane reactor and expansion of the resulting high-temperature H2O-N2 stream. The system combines the advantages of high temperature at expander inlet, typical of gas turbines, and small compression demand, typical of steam cycles. Water is injected into the reactor to control the very high adiabatic temperature, at the limited energy expenditure of liquid pumping. This work assesses the performance potential of the HiPowAR system under different design cond
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Pike, Jenna, Michele Hollist, Joelle Hess, et al. "Liquid Transportation Fuels from Biogas Via Solid Oxide Electrolysis Cells (SOEC) and Fischer-Tropsch (FT)." ECS Meeting Abstracts MA2025-01, no. 41 (2025): 2194. https://doi.org/10.1149/ma2025-01412194mtgabs.

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Transition from fossil fuels to renewable energy is critical to achieve climate protection objectives. Fuel production using renewable energy and carbon dioxide is an essential part of reducing fossil dependence and reducing overall carbon footprint. One of the highest value applications in current markets is the production of liquid transportation fuels like sustainable aviation fuels (SAF) and low (fossil) carbon diesel fuel through carbon capture and utilization pathways. Liquid hydrocarbon fuels only achieve decarbonization goals if they replace fossil fuels and are produced from sustainab
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DMITRIEVA, O. S., A. V. DMITRIEV, and M. G. GARIPOV. "THE EFFECT OF IRRIGATION ON THE THERMAL CHARACTERISTICS OF AN AIR-COOLED CONDENSER." Herald of Technological University 28, no. 1 (2025): 117–21. https://doi.org/10.55421/1998-7072_2025_28_1_117.

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Thermal energy is the most common, and important type of energy used. At present, the efficient use and management of thermal energy is very important and provides an effective way to combat the energy crisis. With stricter emission regulations and rising fossil fuel prices, energy conservation and emission reduction have become especially important for any heat-based distillation process. Currently, energy-saving methods include the use of columns with a partition wall or other configurations. Using thermal rectification technology can play a positive role in promoting the development and use
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Kotov, Boris, Vladimir Grishchenko, Yuriy Pantsir, and Igor Garasimchuk. "MATHEMATICAL MODELING OF TECHNOLOGICAL MODES OF HEAT-PUMPING SYSTEMS FOR TECHNOLOGICAL PROCESSES." Vibrations in engineering and technology, no. 2(101) (June 29, 2021): 85–91. http://dx.doi.org/10.37128/2306-8744-2021-2-9.

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One of the ways to increase the energy efficiency of the process of heat supply of technological facilities and production facilities of the agro-industrial complex is the use of heat pumps. Their use allows to increase the energy potential of heat carriers. To optimize the mode parameters and create systems for automatic control of the heat pump installation, it is necessary to establish a relationship between the parameters of the processes occurring in the elements of the installation by creating a mathematical model of non-stationary thermal modes. In the analysis of recent studies and pub
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AIB, Ekejiuba. "Universal “Plug and Play” Real-Time Entire Automotive Exhaust Effluents, Industry Vents and Flue Gas Emissions Liquefiers: The Game Changer Approach-Phase Two Category." Petroleum & Petrochemical Engineering Journal 7, no. 2 (2023): 1–56. http://dx.doi.org/10.23880/ppej-16000349.

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The first in the series of Azuberths Game Changer publications “Synergy of the Conventional Crude Oil and the FT-GTL Processes for Sustainable Synfuels Production: The Game Changer Approach-Phase One Category” a.k.a. (DOI: 10.23880/ppej16000330) is targeted at reducing 80 per cent CO2 emissions from the internal combustion engines by upgrading from the conventional crude oil refinery products to the synthetic fuels products (ultra-low-carbon fuels). This paper will focus on the complete elimination of the remaining 20 per cent CO2 emissions (i.e. to achieve zero- CO2 emissions) in transportati
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Dissertations / Theses on the topic "Liquid-steam stream compressor"

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Прокопов, Максим Геннадійович, Максим Геннадьевич Прокопов та Maksym Hennadiiovych Prokopov. "Теплофизическое моделирование рабочего процесса жидкостно-парового струйного компрессора". Thesis, Изд-во СумГУ, 2011. http://essuir.sumdu.edu.ua/handle/123456789/23679.

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У дисертаційній роботі наведені: теплофізична модель рідинно- парового струминного компресора, результати аналізу експериментальних досліджень закипаючих потоків рідини у каналах, що розширюються, і проточній частині рідинний-парового струминного компресора, опис формування трьох критичних режимів течії і структурної інверсії потоку, характеристики компресора. Представлена математична модель робочого процесу, яка дозволяє визначати параметри і характеристики рідинно-парового струминного компресора. Створена методика інженерного розрахунку реалізована у вигляді розрахункової програми д
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Conference papers on the topic "Liquid-steam stream compressor"

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Sammak, Majed, Marcus Thern, and Magnus Genrup. "Performance of a Semi-Closed Oxy-Fuel Combustion Combined Cycle (SCOC-CC) With an Air Separation Unit (ASU)." In ASME Turbo Expo 2018: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/gt2018-76218.

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The objective of this paper is to evaluate the performance of a semi-closed oxy-fuel combustion combined cycle (SCOC-CC) and its power penalties. The power penalties are associated with CO2 compression and high-pressure oxygen production in the air separation unit (ASU). The paper discusses three different methods for high pressure oxygen (O2) production. Method 1 is producing O2 directly at high pressure by compressing the air before the air separation takes place. Method 2 is producing O2 at low pressure and then compressing the separated O2 to the desired pressure with a compressor. Method
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Akram, Muhammad, Simon Blakey, and Mohamed Pourkashanian. "Influence of Gas Turbine Exhaust CO2 Concentration on the Performance of Post Combustion Carbon Capture Plant." In ASME Turbo Expo 2015: Turbine Technical Conference and Exposition. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/gt2015-42454.

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As a result of increased concern over Greenhouse Gas emissions, capture of CO2 from stationary power sources is a topic under discussion throughout the world. The most developed technology for the application is post combustion carbon capture using liquid solvents. However, due to very low concentration of CO2 in the gas turbine emitted flue gas, energy penalty caused by the capture process is relatively high. One of the methods to increase CO2 concentration is the recycling of flue gas (also termed as EGR) in which part of the flue gas is sent back to join the air stream entering the compress
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Campbell, J. S., P. C. Malte, S. de Bruyn Kops, I. Novosselov, John C. Y. Lee, and M. A. Benjamin. "Integrating the Staged Prevaporizer-Premixer Into Gas Turbine Cycles." In ASME Turbo Expo 2002: Power for Land, Sea, and Air. ASMEDC, 2002. http://dx.doi.org/10.1115/gt2002-30081.

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This paper describes a cycle analysis study on the use of the staged prevaporizer-premixer injector (SPP) in high-pressure gas turbine systems fired with liquid fuel. A review of the SPP is given, including discussions of its operational concepts and previous research. The main portions of the paper consist of analyzing the use of the SPP in three different gas turbine systems: a steam-injected gas turbine (STIG) engine, a Frame H gas turbine in combined cycle, and a reheat gas turbine in combined cycle. Focus is placed on determining the effect of the SPP on cycle efficiency. In addition, SPP
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Wang, Jiangfeng, Yiping Dai, Zhixin Sun, and Shaolin Ma. "Parametric Analysis of a New CCHP System Utilizing Liquefied Natural Gas (LNG)." In ASME Turbo Expo 2010: Power for Land, Sea, and Air. ASMEDC, 2010. http://dx.doi.org/10.1115/gt2010-22319.

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Liquefied natural gas (LNG) contains considerable cold energy because a significant amount of energy is consumed to produce low-temperature LNG. So, finding a good way to utilize the LNG effectively, particularly its cold energy, is an important issue to solve the problem of energy crisis. In the present study, a new CCHP system utilizing liquid natural gas is proposed to provide cooling, heat and electricity output simultaneously to meet user’s different energy requirements. This CCHP system consists of a gas/steam combined cycle and an ejector refrigeration cycle. For cold energy utilization
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Sasao, Yasuhiro, and Satoru Yamamoto. "Numerical Prediction of Unsteady Flows Through Turbine Stator-Rotor Channels With Condensation." In ASME 2005 Fluids Engineering Division Summer Meeting. ASMEDC, 2005. http://dx.doi.org/10.1115/fedsm2005-77205.

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Unsteady transonic flows with condensation through steam turbine stator-rotor channels are numerically predicted by using the numerical method developed by our group. Fundamental equations solved here consist of conservation laws of mixed gas, water vapor, water liquid, and the number density of water droplets, coupled with the momentum equations and the energy equation. Also the shear-stress transport (SST) turbulence model is employed to predict the turbulent quantities. The numerical method is based on the high-order high-resolution finite-difference method. The fourth-order monotone upstre
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Untaroiu, Alexandrina, Vahe Hayrapetian, Costin D. Untaroiu, et al. "Fluid-Induced Forces in Pump Liquid Seals With Large Aspect Ratio." In ASME-JSME-KSME 2011 Joint Fluids Engineering Conference. ASMEDC, 2011. http://dx.doi.org/10.1115/ajk2011-06085.

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The instability due to fluid flow in seals is a known phenomenon that can occur in pumps and compressors as well as in steam turbines. Traditional annular seal models are based on bulk flow theory. While these methods are computationally efficient and can predict dynamic properties fairly well for short seals, they lack accuracy in cases of seals with complex geometry or with large aspect ratios (above 1.0). Unlike the bulk flow models, computational fluid dynamics (CFD) makes no simplifying assumption on the seal geometry, shear stress at the wall, relationship between wall shear stress and m
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Han, Yongqiang, Yonghui Xie, and Di Zhang. "Numerical Study on High-Speed Impact Between a Water Droplet and a Deformable Solid Surface." In ASME Turbo Expo 2012: Turbine Technical Conference and Exposition. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/gt2012-69700.

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In this study an axisymmetric model is set up to study the impact of a spherical water droplet with a planar deformable solid surface using the Lagrange-Euler coupling method which is based on a penalty formulation. The diameter and velocity of the droplet are 0.4 mm and 500 m/s respectively, while the solid is a kind of steam turbine blade material. The generated pressure distribution in the droplet and its variation with time, the formation of lateral jet, the deformation and stress distribution in the solid are obtained and investigated. It is shown that the compressibility of the droplet a
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