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Relevant bibliographies by topics / Impulse turbine

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Journal articles

Academic literature on the topic 'Impulse turbine'

Author: Grafiati

Published: 4 June 2021

Last updated: 10 March 2023

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Journal articles on the topic "Impulse turbine"

1

Astro, Richardo Barry, Hamsa Doa, and Hendro Hendro. "FISIKA KONTEKSTUAL PEMBANGKIT LISTRIK TENAGA MIKROHIDRO." ORBITA: Jurnal Kajian, Inovasi dan Aplikasi Pendidikan Fisika 6, no. 1 (2020): 142. http://dx.doi.org/10.31764/orbita.v6i1.1858.

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ABSTRAKPenelitian ini bertujuan untuk mengetahui prinsip dasar dan sistem kerja pembangkit listrik tenaga mikrohidro (PLTMH) dari sudut pandang fisika sebagai upaya penyediaan dan pengembangan sumber belajar kontekstual. Penelitian ini dilaksanakan menggunakan metode studi literatur, observasi, dan wawancara. Hasilnya ditemukan bahwa PLTMH memiliki tiga komponen utama yakni air sebagai sumber energi, turbin, dan generator. Skema konversi energi pada PLTMH yang menggunakan head adalah sebagai berikut: 1) energi potensial air dari reservoir diubah menjadi energi kinetik pada pipa pesat, 2) energ

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2

Takao, Manabu, and Toshiaki Setoguchi. "Air Turbines for Wave Energy Conversion." International Journal of Rotating Machinery 2012 (2012): 1–10. http://dx.doi.org/10.1155/2012/717398.

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This paper describes the present status of the art on air turbines, which could be used for wave energy conversion. The air turbines included in the paper are as follows: Wells type turbines, impulse turbines, radial turbines, cross-flow turbine, and Savonius turbine. The overall performances of the turbines under irregular wave conditions, which typically occur in the sea, have been compared by numerical simulation and sea trial. As a result, under irregular wave conditions it is found that the running and starting characteristics of the impulse type turbines could be superior to those of the

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3

Das, Tapas Kumar, Paresh Halder, and Abdus Samad. "Optimal design of air turbines for oscillating water column wave energy systems: A review." International Journal of Ocean and Climate Systems 8, no. 1 (2017): 37–49. http://dx.doi.org/10.1177/1759313117693639.

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Oscillating water column wave energy harvesting system uses pneumatic power to run a turbine and generate power. Both reaction (mainly Wells turbine) and impulse type turbines are tested in oscillating water column system and the performances are investigated. Reaction turbines are easy to install, and the operating range is narrow and possesses higher peak efficiency. On the contrary, impulse turbines have the wider operating range and lower peak efficiency. Some of the key parameters for Wells turbine are solidity, tip clearance, and the hub-to-tip ratio. Significant performance improvement

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4

Winarto, Eko Wismo, Sugiyanto Sugiyanto, Soeadgihardo Siswantoro, and Isworo Djati. "Turbin Hibrid Bi-Directional Sebagai Pemanen Energi pada Thermoacoustic Engine." Jurnal Rekayasa Mesin 12, no. 1 (2021): 19. http://dx.doi.org/10.21776/ub.jrm.2021.012.01.3.

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Bi-directional turbines that are commonly applied to convert wave energy into motion energy are the types of Impulse turbines and Wells turbines. Both types of turbines each have advantages and disadvantages. In this research, hybrid turbine type is designed and made to bridge the weaknesses in impulse turbine and turbine wells. Hybrid turbines are made by placing impulse turbines on the outside while turbine wells placed on the inside. In this research, the variation of hybrid bi-directional turbine design aims to find out the most optimal design of this turbine type. Six variations were carr

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5

Gordon, J. L. "Hydraulic turbine efficiency." Canadian Journal of Civil Engineering 28, no. 2 (2001): 238–53. http://dx.doi.org/10.1139/l00-102.

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A set of empirical equations has been developed which defines the peak efficiency and shape of the efficiency curve for hydraulic turbines as a function of the commissioning date for the unit, rated head, rated flow, runner speed, and runner throat or impulse turbine jet diameter. The equations are based on an analysis of peak efficiency data from 56 Francis, 33 axial-flow, and eight impulse runners dating from 1908 to the present, with runner diameters ranging from just under 0.6 m to almost 9.5 m. The metric specific speeds (nq) ranged from 5.3 to 294. The root mean square error of the calcu

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6

Gupta, Vishal, Ruchi Khare, and Vishnu Prasad. "Performance Evaluation of Pelton Turbine: A Review." Hydro Nepal: Journal of Water, Energy and Environment 13 (March 13, 2014): 28–35. http://dx.doi.org/10.3126/hn.v13i0.10042.

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Earlier only experimental techniques were used to predict the performance of turbines. With advanced numerical techniques and increase in processing power of computers, Computational Fluid Dynamics (CFD) has emerged as an effective tool for the performance prediction of Pelton hydraulic turbine involving multi-fluid flow. Extensive work has been done for design optimization of reaction turbines using CFD. Now it is being extended for impulse turbines. The flow in reaction turbines involves only water as working medium, but in case of impulse turbines, water and air are working medium. The wate

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7

Valladares, Aitor Vega, Manuel Garcia Díaz, Bruno Pereiras, and José Gonzalez Pérez. "Influence of the blade leaning angle on the performance of a radial impulse turbine for OWC converters." Journal of Physics: Conference Series 2217, no. 1 (2022): 012072. http://dx.doi.org/10.1088/1742-6596/2217/1/012072.

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Abstract Oscillating Water Column systems (OWC) have been in the spotlight in the last 20 years since these devices are considered one of the most promising devices among wave energy technology. These systems produce electricity by means a generator driven by a turbine, which takes advantage of the bidirectional flow created by the OWC itself. Among these turbines suitable for bidirectional flows, it is possible to find radial impulse turbines, which are the focus of this work. Traditionally, the radial impulse turbines have shown lower efficiencies than their competitors. However, the radial

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8

Khurana, Sourabh, Dr Varun, and Anoop Kumar. "Experimental Investigation of Erosion and Performance of Turgo Impulse Turbine." Hydro Nepal: Journal of Water, Energy and Environment 12 (October 29, 2013): 76–79. http://dx.doi.org/10.3126/hn.v12i0.9038.

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he present study has been carried out to investigate the effect of silt size, concentration, jet velocity, nozzle angle and operating hour on the erosive wear as well as on the performance of the Turgo impulse turbine in actual flow conditions. Samples of silt were collected from the Beas River (India) near the Pandoh dam. It has been found experimentally that silt parameters, nozzle angle and operating hour of the Turgo turbine increases the erosive wear rate in the turbine components causing efficiency loss in the Turgo impulse turbine and final breakdown of hydro turbines. Hydro Nepal; Jour

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9

Ogawa, T., M. Takao, M. M. A. Alam, S. Okuhara, and Y. Kinoue. "A study of counter-rotating impulse turbine for wave energy conversion-effect of middle vane thickness on the performance-." Journal of Physics: Conference Series 2217, no. 1 (2022): 012073. http://dx.doi.org/10.1088/1742-6596/2217/1/012073.

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Abstract In an oscillating water column (OWC) based wave energy device, a water column that oscillates due to the sea wave motion generates a bi-directional airflow in an air chamber, and finally, the bi-directional airflow driven air turbine converts the pneumatic energy into mechanical energy. The counter-rotating impulse turbine for bi-directional airflow has been proposed by M. E. McCormick of the United States Naval Academy in 1978. In a previous study, the authors investigated the effect of the turbine geometry on the performance of a counter-rotating impulse turbine for bi-directional a

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10

Saad, Mina, Manuel García-Diaz, and Bruno Pereiras. "Analysis of an optimized radial impulse turbine for an OWC wave energy converter." Journal of Physics: Conference Series 2217, no. 1 (2022): 012075. http://dx.doi.org/10.1088/1742-6596/2217/1/012075.

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Abstract OWC concept is one of the most spread technologies among wave energy converters due to several reasons. However, this technology has always deal with the problem of the inherent bidirectional flow. Many solutions have been adopted such as a flow rectification system combined with a unidirectional turbine, several types of bidirectional turbines such as Wells turbine or impulse turbine. In this work, it is shown the performance of an optimized geometry for a radial impulse turbine, which improvement is based on the re-designing of the blades and settling angles of the vanes. A CFD mode

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