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Статті в журналах з теми "Unstable charge pump"
Kumar, Amit, Ruby Gupta, and Jyotsna Sharma. "Effect of dust grains on the parametric coupling of a lower hybrid wave driven ion cyclotron wave in a tokamak plasma." AIP Advances 12, no. 3 (March 1, 2022): 035026. http://dx.doi.org/10.1063/5.0085062.
Повний текст джерелаGray, Megan M., Anita A. Thomas, Brian Burns, and Rachel A. Umoren. "Identifying Crucial Equipment and Skills Needed to Evacuate Critically Ill Infants During Disasters: Using Nursing Expertise to Guide Training Targets." Prehospital and Disaster Medicine 34, no. 04 (June 26, 2019): 370–75. http://dx.doi.org/10.1017/s1049023x19004473.
Повний текст джерелаLuo, Can, Hao Liu, Li Cheng, Chuan Wang, Weixuan Jiao, and Di Zhang. "Unsteady Flow Process in Mixed Waterjet Propulsion Pumps with Nozzle Based on Computational Fluid Dynamics." Processes 7, no. 12 (December 3, 2019): 910. http://dx.doi.org/10.3390/pr7120910.
Повний текст джерелаHan, Feng, Xionghuan Chen, Yang Yang, and Chuan Wang. "Numerical and Experimental Study on the Effect of Rotor–Stator Distance on Rotor–Stator Interaction Strength within Mixed-Flow Centrifugal Pumps." Journal of Marine Science and Engineering 10, no. 8 (August 13, 2022): 1114. http://dx.doi.org/10.3390/jmse10081114.
Повний текст джерелаItkin, G. P., A. A. Drobyshev, O. Yu Dmitrieva, A. S. Buchnev, and A. A. Sysoev. "TESTING THE INTERACTION OF HEART LEFT VENTRICLE AND CONTINUOUS-FLOW PUMP ON A MOCK CIRCULATION MODEL UNDER NORMAL AND PATHOLOGICAL CONDITIONS." Russian Journal of Transplantology and Artificial Organs 17, no. 3 (October 9, 2015): 43–49. http://dx.doi.org/10.15825/1995-1191-2015-3-43-49.
Повний текст джерелаZhu, Chuanhui, Shubin Yan, Xiaodong Dong, Wei Zhang, Biyi Huang, and Yang Cui. "Exergy Analysis of Phase-Change Heat-Storage Coupled Solar Heat Pump Heating System." Materials 14, no. 19 (September 24, 2021): 5552. http://dx.doi.org/10.3390/ma14195552.
Повний текст джерелаSakai, Kento, Bungo Iwase, Keisuke Matsumoto, Kazuyoshi Miyagawa, and Satoshi Kawasaki. "Investigation on axial thrust behavior of balance piston system for a rocket pump." Journal of Physics: Conference Series 2217, no. 1 (April 1, 2022): 012029. http://dx.doi.org/10.1088/1742-6596/2217/1/012029.
Повний текст джерелаYang, Yongfei, Wei Li, Weidong Shi, Yuanfeng Ping, Yang Yang, and Lei Wang. "Numerical investigation on the unstable flow at off-design condition in a mixed-flow pump." Proceedings of the Institution of Mechanical Engineers, Part A: Journal of Power and Energy 233, no. 7 (February 28, 2019): 849–65. http://dx.doi.org/10.1177/0957650919833892.
Повний текст джерелаYang, Mengqi, Xingxing Huang, Qilian He, Huili Bi, Dongyang Hu, Dejiang Hu, and Zhengwei Wang. "Fluid-Structure Coupling Analysis of a Pump-turbine unit during the Pump Shutdown Transient Process." IOP Conference Series: Earth and Environmental Science 1079, no. 1 (September 1, 2022): 012038. http://dx.doi.org/10.1088/1755-1315/1079/1/012038.
Повний текст джерелаNejneru, Carmen, Diana-Petronela Burduhos-Nergis, Mihai Axinte, Manuela Cristina Perju, and Costica Bejinariu. "Corrosion Behaviour of Nodular Cast Iron Used for Rotor Manufacturing in Different Wastewaters." Coatings 12, no. 7 (June 28, 2022): 911. http://dx.doi.org/10.3390/coatings12070911.
Повний текст джерелаДисертації з теми "Unstable charge pump"
Hodzic, Naida. "Study of triboelectric kinetic energy harvester with an asymmetric double variable capacitor implemented in a bennet doubler." Electronic Thesis or Diss., Université Gustave Eiffel, 2022. https://these.univ-paris-est.fr/intranet/2022/UEFL-2022/TH2022UEFL2072.pdf.
Повний текст джерелаEnergy harvesting is the process that involves converting otherwise unused energy present in our environment into usable electrical energy that can be used to power an electronic system. Electrostatic kinetic energy harvesters (eKEHs) utilize vastly present kinetic energy that originates either from an object in motion or vibrations and converts it into electrical energy. The employed principle is based on a polarized variable electrostatic capacitor. With an addition of a triboelectric layer between its plates and utilizing the triboelectrification effect, an eKEH is transformed into a triboelectric nanogenerator (TENG). This type of transducer accumulates charges by contact in the triboelectric layer which thus becomes an electret whose generated semi-permanent electric field allows a variation of the distribution of the electric charges in the electrodes by electrostatic induction.Altering the architecture of a TENG by adding the third electrode, a single-capacitive transducer is converted into a double-capacitive TENG. Doubling the conversion element in a transducer is expected to increase the amount of converted energy. Chosen electronics circuit to condition obtained signal from the generator is Bennet’s charge doubler. An increase without saturation point at the output of this circuit is the unique characteristic of this unstable charge pump. It reflects through an exponential increase of output voltage and a number of charges accumulated in the storage capacitor which increase (in theory) in an infinite way. This means that the surface of the charge-voltage cycle at the terminals of the TENG, and thus the converted energy of the mechanical domain, increases at each iteration of the mechanical cycle of the transducer.The scope of this thesis encompasses the simulation, analytical and experimental research of Bennet’s charge doubler with two asymmetric variable capacitors each containing a triboelectric layer. It is postulated that the performance of the "double TENG" - "double Bennet" system is superior to the classic Bennet’s double. The results of analytical and simulation analysis have shown that the expected behavior of this circuit aligns with hypothesized performance results. The system has been tested experimentally. It is concluded that the results of the constructed system are relevant when compared with the reported performance of the classic "single-capacitive TENG" - "Bennet’s doubler" system.When compared with classic Bennet’s doubler, double Bennet reaches the same voltage levels in less time. That is due to the advantage of double capacitive TENG which increases the number of accumulated charges per mechanical cycle. In analytical analysis, it was found that the two TENG capacitors are codependent and that in operation they affect one another.The output signal of double Bennet is characterized by high voltages ranging from a few hundreds of volts to a few kilovolts (kV). To reduce the rectified output voltage to a level compatible with a commercial application, a Buck DC-DC converter is implemented. This requires a switch. This thesis proposes and studies the use of a high-voltage MEMS micro-plasma switch whose actuation voltages is defined by Paschen’s law. Within the scope of this thesis, the theoretical and experimental studies of this law at the micrometer scale propose optimal actuation voltages for better management of the converted energy
Тези доповідей конференцій з теми "Unstable charge pump"
Hodzic, N., D. Galayko, S. W. Kim, and P. Basset. "Unstable charge-pump for signal rectification of sliding tribo-electret generators with interdigitated grating electrodes." In 2019 19th International Conference on Micro and Nanotechnology for Power Generation and Energy Conversion Applications (PowerMEMS). IEEE, 2019. http://dx.doi.org/10.1109/powermems49317.2019.92321104446.
Повний текст джерелаPrunières, Romain, and Chisachi Kato. "Flow Field and Performance Analysis of a Centrifugal Pump During Unstable Operating Conditions." In ASME-JSME-KSME 2019 8th Joint Fluids Engineering Conference. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/ajkfluids2019-4886.
Повний текст джерелаFunakoshi, Hiroshi, Hiroshi Tsukamoto, Koji Miyazaki, and Kazuyoshi Miyagawa. "Experimental Study on Unstable Characteristics of Mixed-Flow Pump at Low Flow-Rates." In ASME/JSME 2003 4th Joint Fluids Summer Engineering Conference. ASMEDC, 2003. http://dx.doi.org/10.1115/fedsm2003-45103.
Повний текст джерелаMurakami, Tengen, Toshiaki Kanemoto, Gohki Takano, and Risa Kasahara. "Numerical Simulation in Turbine Mode of Counter-Rotating Type Axial Flow Pump (Preparation of Pump-Turbine Unit in Cooperation With Wind Power Unit)." In ASME 2012 Fluids Engineering Division Summer Meeting collocated with the ASME 2012 Heat Transfer Summer Conference and the ASME 2012 10th International Conference on Nanochannels, Microchannels, and Minichannels. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/fedsm2012-72046.
Повний текст джерелаShen, Xi, Desheng Zhang, Bin Xu, Yongxin Jin, and Xiongfa Gao. "Experimental and Numerical Investigation on Pressure Fluctuation of the Impeller in an Axial Flow Pump." In ASME-JSME-KSME 2019 8th Joint Fluids Engineering Conference. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/ajkfluids2019-5161.
Повний текст джерелаPavesi, Giorgio, Guido Ardizzon, and Giovanna Cavazzini. "Rotating Instability in a Centrifugal Pump Impeller." In ASME 2005 International Mechanical Engineering Congress and Exposition. ASMEDC, 2005. http://dx.doi.org/10.1115/imece2005-79937.
Повний текст джерелаJohnson, D. A., N. Pedersen, and C. B. Jacobsen. "Measurements of Rotating Stall Inside a Centrifugal Pump Impeller." In ASME 2005 Fluids Engineering Division Summer Meeting. ASMEDC, 2005. http://dx.doi.org/10.1115/fedsm2005-77313.
Повний текст джерелаMengdehl, Tino, Evgenii Palamarchuk, Angela Garlach, Christian Brix Jacobsen, and Paul Uwe Thamsen. "Influencing the Part Load Recirculation of a Centrifugal Pump and Avoiding an Instability of the Performance Curve Thereby." In ASME/JSME/KSME 2015 Joint Fluids Engineering Conference. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/ajkfluids2015-33760.
Повний текст джерелаLi, Wei, Dele Lu, Leilei Ji, Ling Zhou, and Ramesh K. Agarwal. "Pressure Fluctuation Characteristics Of Mixed-Flow Pump Under Near Stall Condition." In GPPS Xi'an21. GPPS, 2022. http://dx.doi.org/10.33737/gpps21-tc-16.
Повний текст джерелаUbaldi, Marina, and Pietro Zunino. "Experimental Investigation of the Stalled Flow in a Centrifugal Pump-Turbine With Varied Diffuser." In ASME 1990 International Gas Turbine and Aeroengine Congress and Exposition. American Society of Mechanical Engineers, 1990. http://dx.doi.org/10.1115/90-gt-216.
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