How to draw a windmill simply and beautifully:
Tools: paper, watercolor pen or marker, outline pen, pencil, eraser.
1. First draw a cross shape.
2. Draw a cross shape at an angle like the axis of the windmill.
3. Select four of the edges to connect, but be sure to separate them.
4. Next, extend the length of the cross, making sure the lengths are the same.
5. Then connect them to spaces.
6. Draw a slanted rectangle like a wooden stick below.
7. Finally, apply a pretty color and the windmill is ready.
Drawing skills:
1. Preparation tools before drawing: drawing paper, different types of pencils. Drawing paper should be white and thick, with irregular lines on the surface of the paper. It is resistant to friction and therefore can be wiped with an eraser during paintingwithout lint. It also has good water resistance, so it does not spread when painting with watercolors.
2. Learn to draw lines: Sketching is made up of lines. Before I learned to draw, I had to draw a lot of lines, and it was pure line drawing.
When drawing, you should not bend it, but pay attention to being decisive, free and easy, and with appropriate strength. That is to say, a line should make people feel beautiful, upright, generous and with a tail. must be well collected and organized. The key lies in the treatment of line density, rhythmic coordination and intelligent use of density relationships, so that the image can maintain a sense of order and be orderly, rich but not complicated.
3. Copy Sketch Photos: After learning the lines, choose a few photos you want to copy. Copying is the process ofimitation of calligraphy and painting works based on the original works. For beginners, copying and drawing are also very important. But beauty, scenery, food, whatever you like is fine. To copy a sketch photo, simply draw the outline.
How many kilowatt hours of electricity can a wind turbine produce when its wind turbine spins once? After reading this, I gained more knowledge.
Speaking of electricity, nothing in our lives, such as playing games or watching TV, can be separated from electricity. In the past, people burned coal and other fuels to generate electricity, but the. The use of thermal power generation will have a huge impact on the environment and has caused serious damage. So people started using hydroelectric power, wind power, solar power and other methods to produce electricity.ctricity. Hydroelectricity accounts for half of our daily electricity consumption. For example, the annual electricity production of the Three Gorges hydroelectric power station reaches 90 billion kilowatt hours.
When it comes to wind power generation, many people find it interesting. We all know that every wind power generator is equipped with three fan blades. It looks like a large windmill and has a strange shape. These fan blades don't spin very quickly, so some people think it only takes one turn. the electricity produced is very small, so do you know how much electricity these large wind turbines can produce when they rotate once?
According to the different rotation axes of wind power generators, wind power generators are divided into horizontal axis wind turbines and vertical axis wind turbines.The principle is actually tVery simple: the wind blows on the huge blades of the wind power generator to generate kinetic energy, which is then converted into electrical energy via the internal generator. During this conversion process, no harmful substances are produced. very good for protecting the terrestrial environment.
Among all wind power generators, depending on the power of the wind power generator, the electrical energy generated by each rotation of the wind power generator is also different. For example, the most common 2 MW direct drive wind power. power generator, when the wind power is sufficient and stable, the wind motor can generate 2000 degrees of electricity every 60 minutes, and it takes 3.5 seconds for the fan blades to rotate once for 60 minutes , or 3,600 seconds, therefore the quantity of electricity generated. by the generator per second is 0.56 degrees, then lThe electricity generated by the wind turbine fan for each rotation is 0.56 × 3.5 seconds, or 1.94 kilowatt hours of electricity.