Reference Model 1 Scaled Geometry (RM1: Tidal Current Turbine)


Contains the Reference Model 1 (RM1) scaled scale geometry files of the Tidal Current Turbine, developed by the Reference Model Project (RMP). These scaled geometry files are saved as SolidWorks assembly, IGS, and STEP files, and require a CAD program to view. The scaled RM1 device was tested at the Saint Anthony Falls Laboratory (SAFL) at the University of Minnesota flume, details of which are described in the included journal article. The scale of the geometries included in this submission are at a 1:40 scale compared to the full scale geometry. This data was generated upon completion of the project on September 30, 2014.

The Reference Model Project (RMP), sponsored by the U.S. Department of Energy (DOE), was a partnered effort to develop open-source MHK point designs as reference models (RMs) to benchmark MHK technology performance and costs, and an open-source methodology for design and analysis of MHK technologies, including models for estimating their capital costs, operational costs, and levelized costs of energy. The point designs also served as open-source test articles for university researchers and commercial technology developers. The RMP project team, led by Sandia National Laboratories (SNL), included a partnership between DOE, three national laboratories, including the National Renewable Energy Laboratory (NREL), Pacific Northwest National Laboratory (PNNL), and Oak Ridge National Laboratory (ORNL), the Applied Research Laboratory of Penn State University, and Re Vision Consulting.

Reference Model 1 (RM1) is a dual variable-speed variable-pitch (VSVP) axial-flow tidal turbine device, designed for the Tacoma Narrows tidal current energy resource site in Puget Sound, Washington. RM1 comprises a monopile foundation and a crossarm assembly to mount the two rotors. The cross-arm assembly is nearly neutrally buoyant so the attached rotors can be recovered and redeployed with a minimal amount of lifting crane capacity; therefore, the design minimizes the handling requirements during deployment and recovery, which reduces overall cost in all O&M activities including access to the power conversion chain (PCC).

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Additional Info

DOE Project Name: Reference Model Project
DOE Project Number: FY13 AOP
DOE Project Lead: Jeff Rieks
DOI: 10.15473/1818911
Last Updated: 9 months ago
Data from September, 2014
Submitted Sep 1, 2021


Sandia National Laboratories


Publicly accessible License 


Vince Neary
Sandia National Laboratories
Craig Hill
University of Minnesota


MHK, Marine, Hydrokinetic, energy, power, tidal current, RM1, turbine, reference model, Reference Model Project, Reference Model 1, tidal turbine, axial flow turbine, CAD, SOLIDWORKS, dual rotor, CFD, tidal streams, ocean currents, technology, tidal energy converter, scaled geometry, scaled test, experiment, test


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