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Relevant bibliographies by topics / Low-head energy conversion

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Academic literature on the topic 'Low-head energy conversion'

Author: Grafiati

Published: 2 June 2025

Last updated: 31 July 2025

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Journal articles on the topic "Low-head energy conversion"

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Bellamy, N. W. "Low-head hydroelectric power using pneumatic conversion." Power Engineering Journal 3, no. 3 (1989): 109. http://dx.doi.org/10.1049/pe:19890023.

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Sun, Yang, Yuting Yao, Min Yan, et al. "Energy conversion efficiency from low-head water to high-pressure gas." Renewable Energy 138 (August 2019): 1–10. http://dx.doi.org/10.1016/j.renene.2019.01.062.

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Ramos, Helena M., Mariana Simão, and Kaloyan N. Kenov. "Low-Head Energy Conversion: A Conceptual Design and Laboratory Investigation of a Microtubular Hydro Propeller." ISRN Mechanical Engineering 2012 (February 29, 2012): 1–10. http://dx.doi.org/10.5402/2012/846206.

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Low-head microhydro systems for energy production are becoming accepted because of oil crises and new advances in their design and efficiencies. As this is still a new area for development and experimentation, it is important to test and validate the optimal conditions and the hydrodynamic behaviour of such systems under different conditions. The aim of this paper is to present a turbine design validation practise, which researchers and equipment manufactures can use for the hydrodynamic behaviour analysis of new low-head turbines prior to production and application. Laboratory experimental te

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Kapooria, Raj Kumar. "An efficiency assessment analysis of a modified gravitational Pelton-wheel turbine." Journal of Energy in Southern Africa 20, no. 4 (2009): 19–29. http://dx.doi.org/10.17159/2413-3051/2009/v20i4a3308.

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A Pelton-wheel impulse turbine is a hydro mechanical energy conversion device which converts gravitational energy of elevated water into mechanical work. This mechanical work is converted into electrical energy by means of running an electrical generator. The kinetic energy of the Water-jet is directed tangentially at the buckets of a Pelton-wheel. The Water-jet strikes on each bucket’s convex profile splitter and get split into two halves. Each half is turned backwards, almost through 180° relative to the bucket on a horizontal plane. Practically this angle may vary between 165° to 170°. Norm

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Wang, Hao, Fujun Wang, Chaoyue Wang, Benhong Wang, Chenfeng Li, and Dianji Li. "A prospective assessment of scale effects of energy conversion in ultra-low-head pumped hydro energy storage units." Energy Conversion and Management 315 (September 2024): 118798. http://dx.doi.org/10.1016/j.enconman.2024.118798.

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Mohd Farriz Basar, Fatin Syakira Mohd Hassan, Nurul Ashikin Rais, Izzatie Akmal Zulkarnain, and Wan Azani Wan Mustafa. "Performance Analysis of Z-Blade Reaction Type Turbine for Low-Head Low Flowrate Pico Hydro." Journal of Advanced Research in Fluid Mechanics and Thermal Sciences 85, no. 2 (2021): 51–65. http://dx.doi.org/10.37934/arfmts.85.2.5165.

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The study explores the performance characteristics of a Z-Blade reaction type water turbine and investigates a test unit for an ideal and practical case using the governing equations derived from the principles of conservation of mass, momentum, and energy. Various analyses are conducted with consideration of the ideal and possible operating condition for low-head (3 m to 5 m) and low-flow (2.5 L/sec and below) water resources. The relationship of the fluid flow friction known as k-factor with mass flow rate and angular velocity for a Z-Blade turbine model is discussed. The measured performanc

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Mariani, Antonio, Gaetano Crispino, Pasquale Contestabile, et al. "Optimization of Low Head Axial-Flow Turbines for an Overtopping BReakwater for Energy Conversion: A Case Study." Energies 14, no. 15 (2021): 4618. http://dx.doi.org/10.3390/en14154618.

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Overtopping-type wave power conversion devices represent one of the most promising technology to combine reliability and competitively priced electricity supplies from waves. While satisfactory hydraulic and structural performance have been achieved, the selection of the hydraulic turbines and their regulation is a complex process due to the very low head and a variable flow rate in the overtopping breakwater set-ups. Based on the experience acquired on the first Overtopping BReakwater for Energy Conversion (OBREC) prototype, operating since 2016, an activity has been carried out to select the

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Chen, Bo, and Yuzhe Qian. "Effects of Blade Suction Side Modification on Internal Flow Characteristics and Hydraulic Performance in a PIV Experimental Centrifugal Pump." Processes 10, no. 12 (2022): 2479. http://dx.doi.org/10.3390/pr10122479.

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In this paper, the effects of blade trailing edge (TE) profile modification of the suction side on the internal flow and hydraulic performance in a low-specific speed centrifugal pump are investigated through particle image velocimetry (PIV) analysis. Three impellers with different blade trailing edge profiles named original trailing edge (OTE), arc trailing edge 1 (ATE1), and arc trailing edge 2 (ATE2) are designed for PIV experiments. Results show that blade trailing edge modification of the suction side can significantly change the flow pattern, affecting the hydraulic performance of the mo

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Di Lauro, Enrico, Maria Maza, Javier L. Lara, Inigo J. Losada, and Diego Vicinanza. "NUMERICAL MODELING OF WAVE INTERACTION WITH A NON-CONVENTIONAL BREAKWATER FOR WAVE ENERGY CONVERSION." Coastal Engineering Proceedings, no. 36 (December 30, 2018): 64. http://dx.doi.org/10.9753/icce.v36.structures.64.

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The hybrid non-conventional breakwaters are innovative coastal structures, which have as a primary function the coastal and harbours protection, but with the important benefit of electricity production, due to their combination with Wave Energy Converters. The most recent example of a non-conventional breakwater is called OBREC, standing for Overtopping Breakwater for Energy Conversion (Vicinanza et al., 2014). The device consists of a traditional rubble mound breakwater, in which the seaward armour layer in the upper part is replaced with a frontal sloping ramp and a reservoir. The structure

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Dendy Adanta, Ilham Saputra, Dewi Puspita Sari, et al. "Investigation on the Blade Number of Pico-scale Crossflow Turbine for Low Head by Numerical Method." Journal of Advanced Research in Fluid Mechanics and Thermal Sciences 118, no. 2 (2024): 1–12. http://dx.doi.org/10.37934/arfmts.118.2.112.

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Pico-scale crossflow turbines (CFT) can be an alternative solution to meet electrical energy needs, especially in remote rural areas. CFT is recommended because of its suitability in low head (< 5 m) conditions and fluctuating discharge conditions. One of the parameters that influences the performance of a CFT is the number of blades of the runner. CFT was discovered in 1903 and is still developing; however, the study of the physical phenomena of flow due to the blade number on the energy conversion process has yet to be comprehensively depicted. Therefore, this study aims to analyze the ef

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Book chapters on the topic "Low-head energy conversion"

1

Widden, Martin, and Michael French. "Econimical Conversion of Low-Head Hydropower." In World Renewable Energy Congress VI. Elsevier, 2000. http://dx.doi.org/10.1016/b978-008043865-8/50332-9.

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Conference papers on the topic "Low-head energy conversion"

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Rubino, Luigi, Pasquale Contestabile, Roberto Langella, and Diego Vicinanza. "Dynamic Model of the Seawater Low-Head Turbine for Wave Energy Conversion." In 2023 International Conference on Clean Electrical Power (ICCEP). IEEE, 2023. http://dx.doi.org/10.1109/iccep57914.2023.10247402.

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Beck, Earl J. "The Prospects for Ocean Thermal Energy Conversion: The Ocean Thermal Gradient Hydraulic Power Plant." In International Joint Power Generation Conference collocated with TurboExpo 2003. ASMEDC, 2003. http://dx.doi.org/10.1115/ijpgc2003-40079.

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The Steam Lift Pump of the Ocean Thermal Gradient Hydraulic Plant is patterned after the well-known but apparently not well understood air lift pump, which is an effective but inefficient device for increasing the head on pumped liquid, usually water. Instead of pumping compressed air, an expensive and largely unsuitable gas into the bottom of the pump tube, a partial vacuum is applied to the Steam Lift Pump, at an absolute pressure just below the saturation pressure of the pumped liquid. Cavitation bubbles grow from nuclei formed by degassing the incoming liquid in a cavitating venturi of spe

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Camporeale, Sergio M., and Pasquale G. F. Filianoti. "Energy Conversion OWC Devices With Additional Vertical Ducts." In ASME 2008 27th International Conference on Offshore Mechanics and Arctic Engineering. ASMEDC, 2008. http://dx.doi.org/10.1115/omae2008-57769.

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In breakwaters embodying an OWC connected to the sea through a vertical duct or through a small opening, the oscillations of the water column are due to the wave pressure acting on the outer opening of the vertical duct or on the small opening. In fact, in neither of the two cases waves can enter the plant, like it happens in conventional OWCs. The additional vertical duct extends along the wave-beaten wall, giving the device the characteristic form of a U-conduit; for this reason they were also named U-OWC. Experiments on a small-scale breakwater embodying a U-OWC were carried out in the natu

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Talukdar, Parag K., Sarbindu Kumar, Vinayak Kulkarni, Amarendra K. Das, and Ujjwal K. Saha. "On Site Testing of a Zero Head Vertical Axis Helical Water Turbine for Power Generation." In ASME 2015 Gas Turbine India Conference. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/gtindia2015-1230.

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The need of an efficient, low cost and environment friendly hydraulic energy converter provides motivation to many researchers to contribute in the field of renewable energy. In the present investigation, one such requirement is addressed for the possibility of electrical power generation from free stream of water. The implementation of such a low head or zero head turbine does not require a dam for energy conversion, thereby making it a low cost and environmental friendly source of power generation. The present study deals with the development of a zero head vertical-axis helical water turbin

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Jiang, Changqing, Seiki Chiba, Mikio Waki, Koji Fujita, and Ould el Moctar. "Investigation of a Novel Wave Energy Generator Using Dielectric Elastomer." In ASME 2020 39th International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/omae2020-18106.

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Abstract The type of electroactive polymer, known as dielectric elastomers, has shown considerable promise for harvesting energy from environmental sources such as ocean waves, wind, and human motions, etc. The high energy density and conversion efficiency of dielectric elastomers (DEs) can allow for very simple and robust “direct drive” generators. In such generators, a DE transducer is directly driven by the up and down motions of waves. These generators can be simple, low-cost and robust. The efficiency of a wave energy convertor using DEs was confirmed by our previous experimental work. In

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Kolekar, Nitin, Suchi Subhra Mukherji, and Arindam Banerjee. "Numerical Modeling and Optimization of Hydrokinetic Turbine." In ASME 2011 5th International Conference on Energy Sustainability. ASMEDC, 2011. http://dx.doi.org/10.1115/es2011-54252.

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Hydrokinetic turbines, unlike conventional hydraulic turbines are zero head energy conversion devices which utilize the kinetic energy of flowing water for power generation. The basic operational principle of the horizontal axis hydrokinetic turbine (HAHkT) is same as the wind turbine, the only difference being change in working media: water instead of air. This paper discusses the hydrodynamic design of HAHkT via numerical modeling. Presently these turbines suffer from low coefficient of performance (Cp) which is governed by several design variables such as tip-speed ratio, chord distribution

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Abu-Abed, Ahmed. "Thermoelectric Generators for Well Head Production Facilities." In SPE Saudi Arabia Section Technical Symposium and Exhibition. SPE, 2014. http://dx.doi.org/10.2118/214480-ms.

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Abstract The Thermoelectric Generator (TEG), first implemented by NASA in the 1960s to power its instruments on deep space missions, has received renewed interest in oil & gas production facilities at remote, unmanned and off-grid wellhead sites. Such TEG power generators feature all solid-state components with no moving parts which result in long life power units that operate under all weather. It also has long operating cycles between maintenance due to the simple internal design of a Thermoelectric Generator (TEG). Power thermocouples inside a TEG convert heat directly into electricity,

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Wallace, Julian, Robert Mitchell, Sandesh Rao, et al. "Development of a Hybrid-Electric Medium-HD Demonstrator Vehicle with a Pent-Roof SI Natural Gas Engine." In CO2 Reduction for Transportation Systems Conference. SAE International, 2024. http://dx.doi.org/10.4271/2024-37-0026.

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<div class="section abstract"><div class="htmlview paragraph">In response to global climate change, there is a widespread push to reduce carbon emissions in the transportation sector. For the difficult to decarbonize heavy-duty (HD) vehicle sector, hybridization and lower carbon-intensity fuels can offer a low-cost, near-term solution for CO<sub>2</sub> reduction. The use of natural gas can provide such an alternative for HD vehicles while the increasing availability of renewable natural gas affords the opportunity for much deeper reductions in net-CO<sub>2</su

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Burns, J. M., D. C. Burns, and J. S. Burns. "Retrofitting Cooling Towers: Estimates Required to Achieve the Next Level of CWA 316(b) Compliance." In ASME 2004 Power Conference. ASMEDC, 2004. http://dx.doi.org/10.1115/power2004-52051.

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Section 316(b) of the Clean Water Act regulates the potential environmental impacts of cooling water intakes in order to mitigate the adverse entrainment and impingement effects on aquatic organisms. The recently proposed EPA regulations require that power plants currently using once-through cooling systems at the very minimum, evaluate the cost and environmental benefits of retrofitting to wet or dry cooling towers for their next permit application. However, a sound cooling tower retrofit assessment cannot be confined to cooling tower issues alone. Cooling tower backfits significantly affect

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Lonia, B., N. K. Nayar, S. B. Singh, and P. L. Bali. "Techno Economic Aspects of Power Generation From Agriwaste in India." In 17th International Conference on Fluidized Bed Combustion. ASMEDC, 2003. http://dx.doi.org/10.1115/fbc2003-170.

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The agricultural operations in India are suffering from a serious problem of shortage of electrical power on one side and economic and effective disposal of agriwaste stuff on the other. India being agriculture based country, 70% of its main income (share in GDP) comes from agriculture sector. Any enhancement of income from this sector is based upon adequate supply of basic inputs in this sector. Regular and adequate power supply is one such input. But, the position of power supply in our country defies both these characteristics. With a major portion of power produced being sent to the indust

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