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A new heat engine with no moving parts is as efficient as a steam turbine（图）
运动部件 新型热机 蒸汽轮机 脱碳电网
2023/6/7
Engineers at MIT and the National Renewable Energy Laboratory (NREL) have designed a heat engine with no moving parts. Their new demonstrations show that it converts heat to electricity with over 40 p...
Wind turbine pitch optimization
Static trilobites horizontal axis wind turbine mechanical load
2015/8/7
We consider a static wind model for a three-bladed, horizontal-axis, pitch-controlled wind turbine. When placed in a wind field, the turbine experiences several mechanical loads, which generate power ...
Unsteady Flow Investigations in an Axial Turbine Using the Massively Parallel Flow Solver TFLO
Unsteady Flow Investigations Axial Turbine Massively Parallel Flow Solver TFLO
2015/7/2
The results from two numerical simulations of the unsteady °ow in a 1-1/2 stage axial °ow turbine are presented and compared with experimental data to show both the e®ect of blade count on the so...
Implementing a Multiagent-Based Self-Managing Structural Health Monitoring System on a Wind Turbine
Implementing Multiagent-Based Self-Managing Structural Health Monitoring System Wind Turbine
2015/6/30
Deteriorations, increasing costs and burdens of maintenance work as well as recent collapses of civil engineering structures underscore the need for robust, cost-effective structural health monitoring...
A Computational Approach for Decentralized Control of Turbine Engines
Turbine Engines Decentralized Control
2015/6/19
We propose a heuristic approach to approximately compute the optimal decentralized control for linear systems. The method exploits the notion of quadratic invariance, which characterizes a class of co...
Optimal Power Control of a Wind Turbine Power Generation System
wind power power control speed sensorless hill climbing method fuzzy
2015/1/20
This thesis focuses on optimization of wind power tracking control systems in order to capture maximum wind power for the generation system. In this work, a mathematical simulation model is developed ...
Coupled thermal-fluid analysis with flowpath-cavity interaction in a gas turbine engine
CFD FEA Compressor Engine
2015/1/12
This study seeks to improve the understanding of inlet conditions of a large rotor-stator cavity in a turbofan engine, often referred to as the drive cone cavity (DCC). The inlet flow is better unders...
Multiple turbine wind power transfer system loss and efficiency analysis
Renewable Energy Loss and Efficiency Power Transfer
2015/1/12
A gearless hydraulic wind energy transfer system utilizes the hydraulic power transmission principles to integrate the energy of multiple wind turbines in a central power generation location. The gear...
The Aerodynamics and Near Wake of an Offshore Floating Horizontal Axis Wind Turbine
Aerodynamics Near Wake Offshore Floating Horizontal Axis Wind Turbine
2014/10/24
Offshore floating wind turbines represent the future of wind energy. However, significant challenges must b e overcome b efore these systems can b e widely used. Because of the dynamics of offshore fl...
Free Wake Potential Flow Vortex Wind Turbine Modeling: Advances in Parallel Processing and Integration of Ground Effcts
Free Wake Potential Flow Vortex Wind Turbine Modeling Parallel Processing Ground Effects
2014/10/23
Potential flow simulations are a great enginee ring typ e , middle-ground approach to mo deling complex aero dynamic systems, but quickly b ecome computationally unwieldy for large domains. An N-b o d...
CFD Simulation of the Flow around NREL Phase VI Wind Turbine
CFD Simulation NREL Phase VI Wind Turbine
2014/10/23
The simulation of the turbulent and potentially separating flow around a rotating, twisted, and tapered airfoil is a challenging task for CFD simulations. This thesis describes CFD simulations of the ...
Th Optimization of Offhore Wind Turbine Towers Using Passive Tuned Mass Dampers
Offhore Wind Turbine Towers Passive Tuned Mass Dampers
2014/10/23
Increasing energy demand and carb on emissions have driven the development of alternative energy solutions. One promising technology is wind energy. Wind energy technology developments has advanced su...
Multi Rotor Wind Turbine Design And Cost Scaling
Multi Rotor Wind Turbine Design Cost Scaling
2014/10/23
The current generation wind turbines are upscaled into multi megawatt range in terms of output p ower. However, the energy b enefit from the turbine is offset by the increased mass and cos t. Twenty M...
Probabilistic Analysis of Offshore Wind Turbine Soil-Structure Interaction
Offshore Wind Turbine Soil-Structure Interaction
2014/10/22
A literature review of current design and analysis methods for offshore wind turbine (OWT) foundations is presented, focusing primarily on the monopile foundation. Laterally loaded monopile foundation...
Wind Field Analysis Around A Horizontal Axis Wind Turbine
Wind Field Analysis A Horizontal Axis Wind Turbine
2014/10/21
Wind Field Analysis Around A Horizontal Axis Wind Turbine.