Normally, by increasing number of vanes, curve shape becomes flatter and flow increases
The atomic number of an element shows the number of protons that element has. Changing the number of neutrons creates a new isotope, and changing the number of electrons creates an ion. But changing the number of protons creates a different element.
The number of blades of grass per square meter can vary widely depending on factors such as grass species, mowing frequency, and soil conditions. On average, there can be hundreds to thousands of grass blades per square meter in a healthy lawn.
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No. You have to change the number of protrons.(Changing the number of neutrons changes the isotope of the element, but it is still the same element. However, changing the number of neutrons will often result in instability, causing a radioactive decay sequence, which often results in a change in element.)
Ions and isotopes are both atoms of a given element with a different number of particles. While the number of protons in an element never change, the number of neutrons and electrons can. In an ion their is a different number of electrons, changing the charge, but having a negligible effect on the mass. Among isotopes the number of neutrons varies, changing the atomic mass but not the charge.
Increasing impeller width typically results in increased flow capacity and efficiency at a given speed as it can accommodate more fluid. However, wider impellers may require higher speeds to maintain proper velocity and prevent recirculation effects. It is important to consider the trade-offs between impeller width, speed, and the specific requirements of the application to optimize performance.
It's not! Any number of blades are ok as long as the blades are equally spaced apart and its balanced.
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Get it higher and clear of obdstructions like buildings. Lower the mass of the impeller and increase number of blades, Lower the electrical load until it gets to top speed. Placing impeller in the constriction of a venturi tunnel , like in a jet engine? might be an idea worth trying.
Yes, the number of blades on a wind turbine can affect its performance. More blades can potentially capture more wind energy at lower wind speeds, while fewer blades can be more efficient at higher wind speeds. The optimal number of blades depends on various factors such as the turbine's design and intended use.
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Propellers can have any number from 2 -8 or so blades.
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David G. Schnorenberg has written: 'Investigation of the effect of Reynolds number on laminar separation bubbles on controlled-diffusion compressor blades in cascade'
Fans typically have an odd number of blades to minimize the interference caused by blade passage. Having an odd number of blades helps to create a more uniform airflow and reduces vibrations. This design is also more efficient in terms of airflow and noise generation compared to even-numbered blades.
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