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Tidal Power

Tidal Power is the energy of the moving water of the tides, which can be harnessed to generate electricity. This is a green, renewable energy of the future.

352 Questions

What is the purpose of carrring out tidal observation?

The purpose of carrying out tidal observations is to monitor and predict the daily and long-term changes in sea levels, tides, and tidal currents. This information is critical for navigation, coastal engineering, flood risk management, and environmental protection.

What two ways can tidal energy be used?

Tidal energy can be used to generate electricity through tidal stream systems, which harness the kinetic energy of moving water, or through tidal barrage systems, which use the potential energy of changing water levels to turn turbines and generate power.

What is a crucial characteristic of turbines in tidal generators?

A crucial characteristic of turbines in tidal generators is their ability to efficiently convert the kinetic energy of tidal currents into electricity. This requires turbines to be durable, reliable, and able to withstand harsh marine environments while maximizing energy output. Additionally, turbines must be designed to operate effectively in the variable flow speeds and directions typical of tidal currents.

Does leverage and liquidity rise and fall together?

Leverage and liquidity do not necessarily rise and fall together. Leverage indicates the level of debt used to finance investments, while liquidity refers to how easily an asset can be bought or sold without affecting its price. While leverage might impact liquidity in certain situations, they are not directly correlated and can move independently depending on market conditions.

How is a tidal fence different than a tidal barrages?

A tidal fence is a series of underwater turbines placed in a line to capture energy from tidal currents, whereas a tidal barrage is a dam-like structure built across a tidal estuary or bay to capture energy from the rise and fall of tides. Tidal fences are typically smaller in scale and placed in open water, while tidal barrages involve impounding water in a basin behind the structure.

Why do people object to a tidal barrage being built?

People may object to a tidal barrage being built due to concerns about its environmental impact, such as disrupting marine habitats, altering water flow patterns, and potentially harming fish populations. Additionally, there can be objections related to high construction and maintenance costs, as well as visual and aesthetic impacts on the surrounding landscape.

How much tidal energy is needed to meet consumer needs?

The amount of tidal energy needed to meet consumer needs varies depending on the energy consumption of the specific region or country. Tidal energy has the potential to contribute a significant portion of renewable energy production, but it is unlikely to meet all consumer needs on its own due to its limited scalability and intermittency. It is often used in combination with other renewable energy sources to help meet overall energy demands.

How much of your energy comes from tidal power?

Tidal power accounts for a very small percentage of global energy production, less than 0.1%. It is not currently a major source of energy due to high costs and limited locations where it can be effectively harnessed.

What is the role of tidal action along the coast?

Tidal action plays a key role in shaping coastal ecosystems and landforms by influencing sediment transport, erosion, and deposition. It helps in maintaining nutrient cycling and productivity in intertidal areas, supporting diverse marine life. Additionally, tides can enhance coastal resilience by mitigating the impacts of storms and flooding.

How is tidal energy used to produce energy?

Renewable.

It uses the movement of the oceans to generate electricity when it is used for power.

Is a power chain the last steps of braces?

A power chain is a common orthodontic accessory used with braces to close gaps between teeth or to maintain alignment. It is often used in the latter stages of orthodontic treatment to fine-tune the positioning of the teeth and achieve the final desired outcome.

What is a tidal budge?

A Tidal Bulge is a high tide. It is a bulge of water on the side of the earth under the moon, and it is caused by the moon's gravity attracting the water.

There is a similar bulge on the opposite side of the earth, away from the moon, to counterbalance the moon bulge.

The areas between the two bulges experience low tide.

What loses energy when you use tidal power plants?

Tidal power plants harness the energy from ocean tides, which is primarily derived from the gravitational pull of the moon and the sun. In using this energy, the kinetic energy of the moving water is partially converted into electricity, meaning the water loses some of its energy as it flows through the turbines in the power plant.

What are disadvantages to tidal power?

It can only be used successfully in a few places round the world, where a large bay or estuary is so shaped (like Canada's Bay of Fundy) that a huge amount of water rushes through a narrow opening when tides rise and fall.

There are some substantial issues associated with generating power through tides.

  • The impact on local marine life
  • the concept is still in the experimental stages
  • If enough power is harness from Tides, a slowing of our annual orbit around the sun will occur causing as much as a 24 hour change every 2000 years.

Is tidal power a good power source?

  • They don't think much about it.
  • Tidal power is only suitable at selected locations round the world.
  • The community is more likely to think about renewable energy in general and think that it is good.
  • The community knows that we have to reduce our reliance on fossil fuels (coal, oil and natural gas), because the burning of them is causing global warming.

How often do tidal disturbances happen?

Tidal disturbances, such as storm surges and tsunamis, can occur sporadically and are influenced by various factors like weather patterns and seismic activity. While some regions may experience tidal disturbances more frequently due to their geographic location, the exact frequency can vary greatly depending on the specific type of disturbance and its associated cause.

Why is a tidal power a flow resource?

Tidal power is considered a flow resource because it harnesses the flow of water caused by the regular rise and fall of tides. This flow of water can be used to turn turbines and generate electricity, similar to how wind or water currents are used as energy sources.

How does your tidal volume compare with the average tidal volumes found in table 4-2?

no!!!!!!! i asked it though ot would be nice if someone else answered the question i asked

What is the percent of tidal power used in France?

The La Rance station in France, generates 240 megawatts of power. Currently, France is the only country that successfully uses this power source. This is a very small portion of the total energy requirements of France (well under 1%)

On a related noted:

French engineers have noted that if the use of tidal power on a global level was brought to high enough levels, the Earth would slow its rotation by 24 hours every 2,000 years. We could get rid of some of our leap years!

Can tidal energy be conserved?

Tidal energy itself cannot be conserved, as it is a renewable resource that replenishes naturally with the ebb and flow of tides. However, the technology used to capture and convert tidal energy into electricity can be improved to be more efficient and sustainable. Efforts to minimize environmental impacts and maximize energy output from tidal sources can help in utilizing this renewable energy source effectively.

How far will the cam follower rise or fall?

The distance a cam follower rises or falls depends on the shape of the cam profile. The follower's movement is directly related to the shape and dimensions of the cam. The follower will rise or fall based on the specific design and intended function of the cam system.

How does tidal fence work?

A tidal fence is a barrier built across a tidal channel or river to harness the energy of the flowing tide. The fence captures the kinetic energy of the water flow and converts it into electrical energy using turbines or generators. As the tide flows in and out, the movement of the water spins the turbines to generate electricity.

What causes of the Tidal Streams?

Tidal streams are caused by the gravitational forces of the Moon and the Sun acting on the Earth's oceans. The alignment and relative positions of these celestial bodies create variations in the water levels, resulting in the movement of tides. Geographical features of coastlines and ocean floor topography also influence the speed and direction of tidal streams in different regions.

What does co-tidal line mean?

A co-tidal line is a line on a map connecting points on the Earth's surface that experience high tide simultaneously. It represents the progression of high tide across an ocean or sea due to the gravitational attraction of the moon and sun.