Hydro Energy Generation TRIZ Cases

Phased resistance elements on a floating structure distribute wave loads to reduce initial costs and improve power generation.

Segmented prefabricated turbine modules and adjustable barriers reduce installation costs while maintaining power output in low-pressure river applications.

A vertical axis unidirectional rotor harvests wave energy through lift and drag forces on spatially distributed blades.

Polyhedron wheels with recessed teeth guide chains carrying dual-sided buckets, reducing mechanical stress and manufacturing costs.

Bidirectional rotation with one-way clutches captures river current energy without dams, reducing environmental disruption.

Controlled water jets shear large bubbles into smaller ones within the draft tube, increasing surface area and dissolved oxygen levels for aquatic life support.

An on-off valve in a penstock detour maintains water pressure and prevents runaway speed during power loss.

Spherical discharge ring geometry minimizes the gap between the runner vane and the ring, reducing hydraulic losses and cavitation erosion.

Yaw drive rotates tidal turbine to align directly with ebb or flow tides, eliminating energy loss from stanchion wake interference.

Segmenting the stationary generator from the rotating blade assembly via a tubular inlet pipe reduces device complexity and improves maintenance access.

A small hydroelectric device uses a movable water wheel to capture surface flow energy.

A reversible hydroelectric device uses motorized valves and variable speed drives to manage hydraulic flow.

A turbine sub-runner harnesses vortex energy to automatically adjust main runner blade angles without external power.

Correction module adjusts starting speed based on real-time deviation from reference curves to prevent instability and short-circuit currents.

Constant-pressure gas replenishment maintains the sealing cushion against flow-induced pressure drops, eliminating shaft wear from mechanical seals.

Adjustable blade angles resolve the trade-off between structural simplicity and energy utilization, enabling efficient conversion across varying flow rates.

A hydraulic system uses a negative pressure tank to store and release water energy without elevated reservoirs.

A submersible turbine generator uses a motorized worm gear and rack system to raise or lower the unit for maintenance.

Rotating horizontal sails minimize upstream drag and maximize downstream capture for continuous grid power.

Segmenting turbine arrays into controlled rows resolves conflicts between individual output and downstream energy availability, maximizing total array capture.

Replacing rotary mechanisms with a vibration-based system eliminates corrosion and wear while adapting to varying current velocities.

Centrifugal pump member converts hydraulic flow into mechanical power, recovering energy instead of dissipating it through pressure reduction.

Semi-cylindrical screens resist deflection and distribute flow uniformly while an air backwash system clears debris from the curved surface.

Optimizing the diameter-to-length ratio of a roller-shaped runner reduces axial deflection and extends service life in cross-flow turbines.

Coordinated guide vane and rotor blade adjustments decouple electrical power from water flow, enabling secondary control services without reservoir storage.

Compressed gas stored in a reservoir drives a buoyant chamber to generate continuous electricity, solving renewable energy intermittency.

A submerged conduit channels river water to a turbine, generating electricity while avoiding land flooding and navigation disruptions caused by large dams.

Integrating the generator inside the rotor eliminates geared transmissions, resolving the contradiction between high efficiency and device complexity.

A hydrogenerator volute directs water through stator blades to rotate a rotor and generate electricity.

Multi-hydram turbine system uses hydraulic rams to amplify low-head water pressure, eliminating dam requirements while maintaining stable energy output.

Computer-based control modulates wicket gate and runner blade positions independently to optimize power generation.

Flow control device increases airflow to emergency power generator, eliminating turbine spin-up delays and strut weight constraints.

Elevated tracks guide crosswind airfoils to extract power, eliminating tether drag and cubic structural forces.

Vortex impeller drives ball and water turbines, boosting efficiency by converting single input to dual outputs.

Composite truss and cable systems resolve rigidity deterioration and node complexity trade-offs while reducing dead weight and improving seismic comfort.

Runner blades with elastically deformable trailing edges adapt to varying flow rates, reducing rotational components and minimizing hydraulic losses.

A fluid harvester assembly uses a plenum and channel to create pressure differentials for energy extraction from moving fluids.

Radial arms with internal cavities direct fluid flow to rotate a paddle wheel, enhancing mechanical energy conversion efficiency.

Grooves between seal surfaces and ports release fluid pressure gradually to minimize acoustic emissions.

Independent manifolds regulate gas flow across varying pressures, maintaining dissolved oxygen levels.

A dry-land electricity generator uses pressurized air to raise water through a turbine for power production.

A dual-cycle power generation system uses cascaded thermal energy to convert low-grade heat into electrical output.

A diffuser suction pipe uses partition walls to create a boundary chamber that maintains optimal negative pressure head for water flow regulation.

Submerged turbine harnesses hydrostatic water pressure to drive an electric generator, eliminating ecosystem disruption from dams.

A vertical-axis water turbine extracts kinetic energy from river currents at various depths using a buoyant float and direct power transmission.

Oscillating cylinders on springs resonate with wave periods to amplify vertical motion while extracting energy from horizontal currents.

Positioning the turbine outlet at the Venturi throat accelerates slow ambient currents, boosting energy generation while maintaining compact height.

A Francis turbine coupled with a radial pump recovers wasted symmetrical forces to generate thrust.

A hydroelectric system uses a bell siphon to route working fluid through mixed and cross flow turbines across multiple levels.