Browsing Marine Energy Technology Symposium by Issue Date
Now showing items 1-20 of 50
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Development of an Adaptable Monitoring Package for Marine Renewable Energy Projects Part I: Conceptual Design and Operation
(2014-04)The Adaptable Monitoring Package (AMP), along with a remotely operated vehicle (ROV) and custom tool skid, is being developed to support near-field (≤10 meters) monitoring of hydrokinetic energy converters. The AMP is ... -
Layouts for Ocean Wave Energy Farms: Models, Properties, and Heuristic
(2014-04)We present models and algorithms for choosing optimal locations of wave energy conversion (WEC) devices within an array, or wave farm. The location problem can have a significant impact on the total power of the farm due ... -
Development and Demonstration of The WEC-Sim Wave Energy Converter Simulation Tool
(2014-04)The National Renewable Energy Laboratory (NREL) and Sandia National Laboratories (SNL) have developed WEC-Sim to provide the wave energy converter (WEC) design community with an open-source simulation tool. WEC-Sim models ... -
Hydrokinetic Turbines at High Blockage Ratio
(2014-04)This study investigates the possibility of using hydrokinetic turbines for both power generation and flow control, with the potential to replace some of the sluice gates in constructed channels. Theoretical and numerical ... -
Analysis and Proof‐of‐Concept Experiment of Liquid‐Piston Compression for Ocean Compressed Air Energy Storage (OCAES) System
(2014-04)An analysis and a proof‐of‐concept experiment of liquid‐piston compression were conducted for a table‐top Ocean Compressed Air Energy Storage (OCAES) prototype. A singlecylinder‐ type piston surrounded by water was modeled ... -
CACTUS Open Source Code for Hydrokinetic Turbine Design and Analysis: Model Performance Evaluation and Public Dissemination as Open Source Design Tool
(2014-04)Sandia National Laboratories recently released an open source code for design and analysis of axial‐flow and cross‐flow marine and hydrokinetic (MHK) turbines, CACTUS (Code for Axial and Cross‐flow TUrbine Simulation), and ... -
Externally Bonded FBG Strain Sensors Structural Health Monitoring of Marine Hydrokinetic Structures
(2014-04)To reduce operations and maintenance costs, mitigate failures, and improve capacity factor, structural health‐monitoring systems can provide key information to improve management of marine hydrokinetic devices. While present ... -
Methodology for Design and Economic Analysis of Marine Energy Conversion (MEC) Technologies
(2014-04)This paper presents results of the Reference Model Project (RMP), which began five years ago to facilitate Marine Energy Conversion (MEC) technology development and market acceleration. The four Reference Models presented ... -
Simulation of Hydrokinetic Turbines in Turbulent Flow Using Vortex Particle Methods
(2014-04)This work presents the development of computational models that capture vorticity generation and turbulent diffusion within wind and hydrokinetic turbine farms. The use of vortex methods is examined as an alternative for ... -
Field Measurement Test Plan to Determine Effects of Hydrokinetic Turbine Deployment on Canal Test Site in Yakima, WA, USA
(2014-04)The primary goal of the Department of Energy’s Water Power Program is to efficiently develop and utilize the country’s marine hydrokinetic (MHK) and conventional hydropower (CH) resources. The program has recently identified ... -
Evaluation of Hycom as a Tool for Ocean Current Energy Assessment
(2014-04)This paper provides a global ocean circulation model based world-wide assessment of two flow characteristics and presents a direct comparison between model based predictions and in situ measurements in two regions. Four ... -
Development of a Driving Electric Dynamometer Rotor Emulator for MHK In‐Stream Turbines
(2014-04)As marine and hydrokinetic (MHK) technologies which convert the flow of fluid into useful electrical power are developed, it is desirable to simulate drivetrain performance and refine control strategies in a laboratory ... -
A Methodology for Wave-to-Wire WEC Simulations
(2014-04)This paper looks at the methodology of building a full wave-to-wire WEC (Wave Energy Convertor) simulation and presents examples of its use for a variety of different types of WEC. Wave resource information from the West ... -
Experimental Study of Tribological Performance of Bearing-Seal Assembly of Hydrokinetic Devices in Sedimented Water
(2014-04)In this study, wear of polymer and ceramic coated bearings for use in hydrokinetic devices were investigated in sedimented water under the loading conditions similar to those expected in the field using a customized flume. ... -
Model Validation Using Experimental Measurements from the Garfield Thomas Water Tunnel at the Applied Research Laboratory (ARL) at Penn State University
(2014-04)This paper describes the development of a high‐fidelity computational fluid dynamics (CFD) model of a three‐blade horizontal axis current turbine. The CFD model was developed using STAR‐CCM+ and solves the Reynolds‐Averaged ... -
Stability and Loads Validation of an Ocean Current Turbine
(2014-04)The design of a moored ocean current turbine presents many engineering challenges; among them are accurately predicting the stability and loads of the device. To validate computational loads and stability prediction tools, ... -
Fatigue Life Distribution for a Simple Wave Energy Converter
(2014-04)Fatigue is known to be a dominant failure mode for systems subjected to wave loading. A time domain simulation of loading on a simple Wave Energy Converter (WEC) was used to develop the distribution of fatigue failures ... -
Control of a Helical Cross‐Flow Current Turbine
(2014-04)Adaptive control strategies utilizing preview information of upstream velocity are promising approaches for enhancing performance and reducing loads on hydrokinetic turbines. A control scheme relating a turbine's characteristic ... -
Spatio-Temporal Resolution of Different Flow Measurement Techniques for Marine Renewable Energy Applications
(2014-04)Marine hydrokinetic (MHK) energy conversion devices are subject to a wide range of turbulent scales, either due to upstream bathymetry, obstacles and waves, or from wakes of upstream devices in array configurations. The ... -
Discrete Element Modeling of Blade–Strike Frequency and Survival of Fish Passing Through Hydrokinetic Turbines
(2014-04)Evaluating the consequences to fish from blade-strike on marine hydrokinetic (MHK) turbine blades is important for incorporating environmental objectives into the integral optimization of machine performance. For instance, ...
