Results 41 to 50 of about 70,148 (323)
Review of experimental research on supercritical and transcritical thermodynamic cycles designed for heat recovery application [PDF]
, 2019 Supercritical operation is considered a main technique to achieve higher cycle efficiency in various thermodynamic systems. The present paper is a review of experimental investigations on supercritical operation considering both heat-to-upgraded heat and
De Paepe, Michel +6 more
core +2 more sources
CFD Analysis on Pumps Working as Turbines
Hydro Nepal: Journal of Water, Energy and Environment, 1970 Reverse running centrifugal pumps are an effective source of reducing the equipment cost in small hydropower plants. The manufacturers do not provide any information on the performance and fow characteristics when pumps are operated in turbine mode.
Anoop Thakur +2 more
openaire +2 more sources
Advanced Science, EarlyView.Plasticity changes of molecular networks form a cellular learning process. Signaling network plasticity promotes cancer, metastasis, and drug resistance development. 55 plasticity‐related cancer drug targets are listed (20 having already approved drugs, 9 investigational drugs, and 26 being drug target candidates).
Márk Kerestély +5 more
wiley +1 more source
Advances in Mechanical Engineering, 2016 This article presents a multi-objective optimization to improve the hydrodynamic performance of a counter-rotating type pump-turbine operated in pump and turbine modes.
Jin-Woo Kim +6 more
doaj +1 more source
Energies, 2022 Pumped storage-power plants play an extremely important role in the modern smart grid due to their irreplaceable advantages in load peak-valley regulation, frequency modulation, and phase modulation.
Mengqi Yang +6 more
doaj +1 more source
Air brake-dynamometer accurately measures torque [PDF]
, 1965 Air brake-dynamometer assembly combines the principles of the air turbine and the air pump to apply braking torque. The assembly absorbs and measures power outputs of rotating machinery over a wide range of shaft speeds.
core +1 more source
Influence of the boundary conditions on the natural frequencies of a Francis turbine [PDF]
, 2016 Natural frequencies estimation of Francis turbines is of paramount importance in the stage of design in order to avoid vibration and resonance problems especially during transient events.
Bossio, Matias +5 more
core +1 more source
PEMBANGKIT LISTRIK METODE PUMP AS TURBINES (PATs)
J-ENSITEC, 2017 Pump As Turbines (PATs) merupakan inovasi tepat guna yang dapat mengubah pompa sentrifugal menjadi turbin yang menghasilkan energi listrik. Prinsip kerja dasar dari Pump As Turbines (PATs) adalah kebalikan dari kerja pompa yang biasanya pompa digunakan untuk mengalirkan air dari dataran rendah ke dataran tinggi sedangkan di Pump As Turbines (PATs) air ...
Rachmat, Asep, Hamdani, Ali
openaire +3 more sources
Advanced Energy Materials, EarlyView.The Aluminum energy storage cycle involves the use of renewable energy for Al production and the generation of heat (dry cycle) and heat and H2 (wet cycle) for energy production via Al‐steam combustion. ABSTRACT Reaching climate neutrality by 2050 requires innovative long‐term energy storage (LTES) solutions beyond the current use of fossil fuels ...
Lorenzo Trombetti +2 more
wiley +1 more source
Flow characteristics analysis of an extra–high–head pump–turbine with splitter–blades under high pressure-pulsation condition [PDF]
E3S Web of ConferencesThe new energy system aims to provide reliable, affordable and sustainable energy, and ultimately achieve carbon neutrality. But the unstable renewable energy sources including wind and solar increase the risk to the grid and the power system. The pumped–
Huang Xingxing +5 more
doaj +1 more source