Results 1 to 10 of about 177 (113)
Multipoint Design Optimization of a Radial-Outflow Turbine for Kalina Cycle System Considering Flexible Operating Conditions and Variable Ammonia-Water Mass Fraction [PDF]
Energies, 2022 The radial-outflow turbine has advantages due to its liquid-rich gas adaptability when applied in the Kalina ammonia-water cycle system. However, the operational conditions of the turbine often deviate from its design values due to changes of the heat ...
Peng Song +3 more
doaj +6 more sources
Preliminary Design and Off-Design Analysis of a Radial Outflow Turbine for Organic Rankine Cycles [PDF]
Energies, 2020 Recently, the advantages of radial outflow turbines have been outstanding in various operating conditions of the organic Rankine cycle. However, there are only a few studies of such turbines, and information on the design procedure is insufficient.
Jun-Seong Kim, Do-Yeop Kim
doaj +4 more sources
Energies, 2022 The pressure at the natural gas wellhead typically ranges from tens to hundreds of atmospheres. Traditionally, the wellhead pressure must be throttled into a low level to satisfy the requirement of gathering pipelines, in which a large amount of pressure
Peng Song, Shengyuan Wang, Jinju Sun
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Energy Conversion and Management, 2022 Cycles using supercritical carbon dioxide have been recognized as potential future power technology. However, the turbines in these systems tend to experience very high rotational speeds and entail small physical sizes, which can affect on the overall feasibility.
Grönman, Aki, Uusitalo, Antti
exaly +6 more sources
Energies, 2022 Recently, the CO2 power cycle has attracted attention because of tightening environmental regulations. The turbine is a factor that greatly affects the efficiency of the cycle.
Jun-Seong Kim, You-Taek Kim, Do-Yeop Kim
doaj +2 more sources
Autonomous Fontan pump: Computational feasibility studyCentral MessagePerspective [PDF]
JTCVS OpenObjective: After Fontan palliation, patients with single-ventricle physiology are committed to chronic circulatory inefficiency for the duration of their lives. This is due in large part to the lack of a subpulmonary ventricle.
Mark D. Rodefeld, MD +6 more
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An inverse mean-line design method for optimizing radial outflow two-phase turbines in geothermal systems [PDF]
Renewable Energy, 2021 Abstract Radial outflow two-phase turbine (ROTPT) is an impulse two-phase turbine used for total flow systems in applications like geothermal fields to utilize the two-phase geofluid energy effectively. This paper presented a one-dimensional nonequilibrium inverse mean-line design method of ROTPT.
Hongyang Li +3 more
exaly +5 more sources
Case Studies in Thermal Engineering, 2022 In gas turbine and aeroengine, the rim seal is set between the turbine stator and rotor to prevent ingestion of the high-temperature mainstream into the rotating cavity.
Ziqing Zhang +4 more
doaj +1 more source
Profile loss and turbulence modelling in radial outflow turbine cascades
European Conference on Turbomachinery Fluid Dynamics and Thermodynamics, 2023 Radial outflow turbines (ROTs) offer an alternative for single stage high-work axial turbines in steam and organic Rankine cycle applications. Their main benefits are lower Mach number levels, improved design and off-design performance and improved capability to handle high volume flow rates.
Tomovska, Elena +2 more
openaire +2 more sources
Energies, 2023 Organic Rankine cycle (ORC) is an effective technology to harness low-grade energy. Turbine, as a key component of ORC, takes advantages of its high efficiency and compact size compared with other expanders. Currently, developing suitable turbines with a
Enhua Wang, Ningjian Peng
doaj +1 more source