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Relevant bibliographies by topics / Changeable flow part

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Journal articles
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Conference papers

Academic literature on the topic 'Changeable flow part'

Author: Grafiati

Published: 28 May 2022

Last updated: 31 July 2025

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Journal articles on the topic "Changeable flow part"

1

Radchenko, Mykola, Andrii Radchenko, Eugeniy Trushliakov, Hanna Koshlak, and Roman Radchenko. "Advanced Method of Variable Refrigerant Flow (VRF) Systems Designing to Forecast Onsite Operation—Part 2: Phenomenological Simulation to Recoup Refrigeration Energy." Energies 16, no. 4 (2023): 1922. http://dx.doi.org/10.3390/en16041922.

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This paper focuses on the application of speed-regulated compressors (SRCs) to cover changeable heat loads with high efficiency in conventional air conditioning systems (ACS) as well as in the more advanced variable refrigerant flow (VRF)-type outdoor and indoor ACS. In reality, an SRC is an oversized compressor, although it can operate efficiently at part loads. The higher the level of regulated loads (LRL) of the SRC, the more the compressor is oversized. It is preferable to reduce the size of the SRC by covering the peak loads and recouping the excessive refrigeration energy reserved at dec

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Radchenko, Mykola, Andrii Radchenko, Eugeniy Trushliakov, Anatoliy Pavlenko, and Roman Radchenko. "Advanced Method of Variable Refrigerant Flow (VRF) Systems Designing to Forecast On-Site Operation—Part 1: General Approaches and Criteria." Energies 16, no. 3 (2023): 1381. http://dx.doi.org/10.3390/en16031381.

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All the energetic management and controlling strategies in ambient air conditioning systems (ACS) are aimed to match design load to current needs. This might be achieved by determining a rational value of design thermal load without overestimation that can minimize its deviation from the actual values. The application of variable refrigerant flow (VRF) systems with speed-regulated compressors (SRC) is considered as the most advanced trend in building air conditioning due to the ability of SRCs to cover changeable heat loads without lowering their efficiency. The level of load regulation by SRC

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Radchenko, Mykola, Andrii Radchenko, Eugeniy Trushliakov, Anatoliy Pavlenko, and Roman Radchenko. "Advanced Method of Variable Refrigerant Flow (VRF) System Design to Forecast on Site Operation—Part 3: Optimal Solutions to Minimize Sizes." Energies 16, no. 5 (2023): 2417. http://dx.doi.org/10.3390/en16052417.

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Outdoor air conditioning systems (ACS) are used as autonomic systems as well as in combined outdoor and indoor ACS of the variable refrigerant flow (VRF) type, with variable speed compressors (VSC) as their advanced version. Methods for determining the optimal value of refrigeration capacity and providing the maximum rate of the summarized annual refrigeration energy generation increment, according to its needs at minimum compressor sizes and rational values, are applied to reveal the reserves for reducing the designed (installed) refrigeration capacity, thus enabling us to practically achieve

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Xue, Zhipeng, Jie Fu, and Minmin Zhao. "Numerical Simulation and Analysis of the Arrangement of Wind Direction Meter for Wind Turbine." E3S Web of Conferences 118 (2019): 02040. http://dx.doi.org/10.1051/e3sconf/201911802040.

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This paper performs CFD numerical analysis on the wind direction variation characteristics of the upper part of the platform under the running condition of the whole machine, and analyses whether the current location of the equipment is suitable for placing the wind direction measuring equipment and finding a better position in the area. The vicinity of the reference point is the area where the airflow is relatively intense, and the wind direction is complex and changeable. In-depth CFD research on this flow phenomenon can obtain an intuitive wind direction state and inherently subtle changes.

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Wan, Qia, Youjian Xu, and Can Lu. "A fundamental study of parameter adjustable additive manufacturing process based on FDM process." MATEC Web of Conferences 189 (2018): 05001. http://dx.doi.org/10.1051/matecconf/201818905001.

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In Fused deposition modeling (FDM) process, there has been a confliction between high productivity and high quality of products. The product resolution is proportional to the flow rate of heated material extrusion, which directly affects the build time. To reduce the build time with acceptable resolution, the idea of parameter adjustable printing process has been introduced. The controllable extruder was modified and two types of diameter changeable nozzle have been designed. This work realizes different resolution building based on the part geometry during FDM process, which can efficiently a

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Zhao, Pei Feng, Cun Cang Han, Yan Min Zhang, and Ke Xing Song. "Research and Analysis of Material Flow Regularity in the Process of Cross Wedge Rolling for Wrought Aluminum Alloy." Materials Science Forum 704-705 (December 2011): 172–76. http://dx.doi.org/10.4028/www.scientific.net/msf.704-705.172.

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With widely use of aluminum alloy in the cares and other industry fields and the like, the aluminum alloy workpieces are becoming the important components, such as load bearing and so on, in which it has been gradually paid attention to the formation and the producing roughcast of shaft forging part of aluminum alloy. the process of across wedge rolling for wrought aluminum alloy has gradually taken notice of improving production rate and saving metal in this field because of its advantages and superiorities. It is very necessary to research and analyze the flow regularity and forming characte

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Fridh, Kristina. "From Japanese tradition towards new subjectivity in the architecture of Kengo Kuma and Toyo Ito." Architectural Research Quarterly 21, no. 2 (2017): 113–30. http://dx.doi.org/10.1017/s1359135517000252.

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The Japanese architects Kengo Kuma and Toyo Ito work with the formation of mental processes, which include spatial perceptions, but also haptic experiences. In this regard, they both connect to the Japanese architectural tradition. Therefore, it is interesting to compare their work, especially since visually the architecture of these two architects differs. However, through staged, unexpected and changeable experiences of materiality and spatial organisation – interacting in dynamic flow with the surroundings – similar mental processes are evoked when conceiving and perceiving their architectu

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Piasecka, Magdalena. "An investigation into the influence of different parameters on the onset of boiling in minichannels." Archives of Thermodynamics 33, no. 4 (2011): 67–90. http://dx.doi.org/10.2478/v10173-012-0028-6.

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Abstract The paper presents experimental studies on boiling heat transfer in rectangular minichannels. The investigations focus on the transition from single phase forced convection to nucleate boiling, i.e., in the zone of boiling incipience. The experiment has been carried out with FC-72, R-123 and R-11 at the Reynolds number below 4700, corresponding to mass flow rate range 95-710 kg/(m s). The main part of the test section is a minichannel of pre-set depth from 0.7 to 2 mm and width (20, 40 and 60 mm), with different spatial orientations from vertical to horizontal and 30% inclination angl

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Berkovich, K. M., L. V. Zlotina, and L. A. Turykin. "Riverbank erosion: factors, mechanism, human activity." Geomorphology RAS, no. 2 (April 26, 2019): 3–17. http://dx.doi.org/10.31857/s0435-4281201923-17.

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The riverbank erosion produces a great risk for the urban development, structures and communications located on the banks. Bank erosion, as an integral part of the lateral river channel migrations, is a multi-factorial phenomenon. Empirical evidence suggests that the riverbank erosion depends on the size of the river, the morphology of the bends, water flow; however, a big role plays erosion resistance of the banks, due to their structure and vegetation. It varies at changeable riverbank soils wetting in accordance with the hydrological regime of the river. Human activity contributes significa

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Proussakov, Dmitry. "On a "dead end" in the Egyptian predynastic studies, and on a possible direction of the way out." Vostok. Afro-aziatskie obshchestva: istoriia i sovremennost, no. 4 (2022): 6. http://dx.doi.org/10.31857/s086919080021192-8.

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Studies of the Predynastic Egypt, devoid of reliance on written sources, may enter into a dead end; to overcome it, methods and data of natural sciences are called including the reconstruction of changeable natural conditions of the emergence of ancient Egyptian state. These include: aridization of the North Africa climate in the 4th millennium BC, which favoured the transformation of the Sahara into a desert and the migration of part of its population to the Main Nile; the formation starting from about the 6th millennium BC of fertile silty soils in the Nile floodplain which made it suitable

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Dissertations / Theses on the topic "Changeable flow part"

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Калінкевич, Микола Васильович, Николай Васильевич Калинкевич, Mykola Vasylovych Kalinkevych та А. А. Обухов. "Проектирование центробежного компрессора со сменными проточными частями". Thesis, Издательство СумГУ, 2008. http://essuir.sumdu.edu.ua/handle/123456789/5577.

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Conference papers on the topic "Changeable flow part"

1

Slama, Vaclav, and Bartolomej Rudas. "Analysis of Flow Fields in a Steam Turbine Control Valve With One Chamber." In ASME Turbo Expo 2024: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2024. http://dx.doi.org/10.1115/gt2024-122777.

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Abstract A flow field inside steam turbine control valves can be very variable from subsonic to transonic and with or without a flow detachment. It depends on changeable operating conditions and a valve geometry. Understanding phenomena that appear in valves helps predict and reduce pressure losses, enhancing the valve design. It also ensures safe operation and a reasonable price. The primary motivation of this paper is to provide a detailed view of different flow fields at various operating conditions. For this reason, a control valve with one chamber is analyzed using numerical simulations.

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Miguel Ginja, Luis. "[de]Territorialization, the Role of our Brain in a Technological World." In 13th International Conference on Applied Human Factors and Ergonomics (AHFE 2022). AHFE International, 2022. http://dx.doi.org/10.54941/ahfe1001375.

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Since the turn of the 20th century, the act of design has gone through an exercise of problem-solving. It happened in the field of the city, architecture, or objects. Much of this discourse is present in the modernist manifestos. These goals are primarily related to Russian constructivism, in which many modern personalities were engaged. This problem-solving process, oriented toward an economic practice that articulated the available means to the proposed ends, was so necessary to the revolutionary spirit of the time. However, they answered the questions that the post-Russia zeitgeist of the R

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