Can a Pressure Vessel Control a Burning Bunsen Flame?

  • Thread starter adambrown8
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In summary, it is possible to construct a rig that can control the pressure of a vessel while a Bunsen flame is burning inside. This can be achieved by using a pressure transmitter and vessel pressure as a signal to regulate the energy of the flame in a control loop. The Bunsen flame utilizes the pressure difference between gas and ambient air for proper combustion, making it adaptable to different pressure levels. However, it is important to maintain a continuous air flow in the pressure vessel to ensure a constant supply of oxygen.
  • #1
adambrown8
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Is it viable to construct a rig in which the pressure of the vessel can be controlled whilst a Bunsen flame is kept burning inside of it?
 
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  • #2
In principle you could use a pressure transmitter and vessel pressure as the proportional signal for modulating the energy of the flame in a control loop.
 
  • #3
A Bunsen uses the differential pressure of the gas and the ambient air to mix the gases before combustion. That should work at any reasonable pressure, so long as you have the correct pressure difference. That means you will have to control the gas pressure as well as the air pressure.

Of course you will need a continuous air flow through your pressure vessel, otherwise you will soon run out of oxygen!
 

1. How can you increase the pressure of a Bunsen flame?

To increase the pressure of a Bunsen flame, you can adjust the air intake valve at the base of the Bunsen burner. By opening the valve, more oxygen will be allowed to mix with the gas, resulting in a higher pressure flame.

2. Why is it important to pressurize a Bunsen flame?

Pressurizing a Bunsen flame allows for a hotter and more efficient flame. This can be crucial in scientific experiments where precise and consistent heat is necessary for accurate results.

3. What is the ideal pressure for a Bunsen flame?

The ideal pressure for a Bunsen flame can vary depending on the specific experiment or application. However, typically, a medium pressure flame (with a blue inner cone and a light blue outer cone) is considered ideal for most laboratory experiments.

4. How can you tell if the Bunsen flame is pressurized?

You can tell if the Bunsen flame is pressurized by observing the color and shape of the flame. A pressurized flame will have a distinct inner blue cone and outer light blue cone. The flame will also be taller and more intense compared to a non-pressurized flame.

5. Are there any safety precautions to take when pressurizing a Bunsen flame?

It is important to exercise caution when pressurizing a Bunsen flame. Make sure to have proper ventilation and avoid over-pressurizing the flame, as this can cause a potentially dangerous situation. It is also important to keep flammable materials away from the flame and to always follow proper laboratory safety protocols.

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