Calculating LEV face velocity to hold plate in place.

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SUMMARY

The discussion focuses on calculating the necessary parameters for a Low-Emission Ventilation (LEV) system to maintain a face velocity of 1 m/s. It specifies that the area of the LEV is 0.1 m² and explores the requirements for a plate, including size and weight, to ensure it remains in place at this velocity. The necessity of incorporating holes in the plate is emphasized to facilitate airflow rather than relying solely on suction. The conversation highlights the importance of understanding airflow dynamics in LEV systems.

PREREQUISITES
  • Understanding of Low-Emission Ventilation (LEV) systems
  • Basic principles of fluid dynamics
  • Knowledge of airflow velocity and pressure differentials
  • Familiarity with plate design and material properties
NEXT STEPS
  • Research the principles of airflow and pressure in LEV systems
  • Learn about the effects of plate design on airflow, including perforation techniques
  • Study the calculations for determining weight and size requirements for plates in ventilation systems
  • Explore simulation tools for modeling airflow dynamics in LEV applications
USEFUL FOR

Engineers, HVAC specialists, and anyone involved in designing or optimizing Low-Emission Ventilation systems will benefit from this discussion.

mink_man
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LEV needs to be at 1m/s at the face.
Let’s say area of LEV is .1 m2
What size plate (with holes or not in it) and weight is needed for the plate to fall off if the face velocity is less than 1m/s but the velocity is enough to keep the plate on the lev face if the speed is 1m/s or greater. I think the plate needs holes as otherwise it would be just suction rather than velocity keeping the plate in place.

I have no idea where to start.
 
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mink_man said:
LEV needs to be at 1m/s at the face.
Let’s say area of LEV is .1 m2
What size plate (with holes or not in it) and weight is needed for the plate to fall off if the face velocity is less than 1m/s but the velocity is enough to keep the plate on the lev face if the speed is 1m/s or greater. I think the plate needs holes as otherwise it would be just suction rather than velocity keeping the plate in place.

I have no idea where to start.

What's an LEV?
 

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