Cross-flow turbines harness kinetic energy in wind or moving water. Due to their unsteady
fluid dynamics, it can be difficult to predict the interplay between aspects of rotor geometry …

Placing mechanical devices into fast-moving tidal streams to generate clean and predictable
electricity is a developing technology. This review covers the fundamental fluid mechanics of …

Vertical-axis wind turbines (VAWT) are excellent candidates to complement traditional wind
turbines and increase the total wind energy capacity. Development of VAWT has been …

Despite substantial growth in wind energy technology in recent decades, aerodynamic
modeling of wind turbines relies on momentum models derived in the late 19th and early …

Aiming to prolong the duration of detection equipment deployed in deep water, a new type of
hydrokinetic turbine with good self-starting ability should be developed to harness low …

Harnessing hydrokinetic energy from deep water to increase the operation periods of
observing platforms has received considerable attention in recent years. High-solidity …

Oscillating foils in synchronized pitch/heave motions can be used to harvest hydrokinetic
energy. By understanding the wake structure and its correlation with the foil kinematics …

Cross-flow turbines could play a larger role in the diversification of the global energy supply
if the impact of more cost-competitive design choices on performance and rotor dynamics …

This article presents the results of an experimental wind tunnel study which investigates a
new control strategy named Helix. The Helix control employs individual pitch control for …

Harnessing the energy of deep ocean currents to power deep-sea observation equipment
has emerged as a significant focus in recent years. Given the extremely low flow speeds in …