Airflow design for generator box

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SUMMARY

The discussion focuses on designing a portable generator box with specific attention to baffle design and airflow management. The user seeks to calculate the minimum air intake and exhaust dimensions to optimize the box size while preventing water ingress through louvres. Key considerations include understanding the generator's specifications, determining the required airflow for cooling, and accounting for back pressure created by the baffles and louvres. The primary goal is to effectively dissipate heat generated by the generator.

PREREQUISITES
  • Understanding of airflow dynamics in enclosed spaces
  • Familiarity with generator specifications and cooling requirements
  • Knowledge of baffle design and its impact on airflow
  • Basic principles of heat dissipation and thermal management
NEXT STEPS
  • Research airflow calculations for generator cooling systems
  • Learn about baffle design principles and their effects on airflow
  • Investigate generator manufacturer specifications for optimal airflow
  • Explore methods for measuring and calculating back pressure in ventilation systems
USEFUL FOR

This discussion is beneficial for engineers, product designers, and hobbyists involved in creating portable generator enclosures, as well as anyone interested in optimizing airflow and thermal management in compact designs.

qwerty_steve
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I'm making a portable generator box, and I'm currently designing the baffles.

The design is quite similar to this: http://media.photobucket.com/image/hush%20box/Audiomechanic/ProjectorHushBox1.png

There will be an extra wall on the left and right to accommodate louvres on the exterior side of the box to prevent water coming in

I'm wondering how I would calculate the minimum air in/out dimensions through the baffles, so that the box can be as small as possible.

If I need to talk to the manufacturer of the generator about their specifications, what should I ask? I'm guessing if I knew this information I could then work out the flow spec of the fan/s.

I suppose I would need to take into account the back pressure of the baffles and lourves, but do not know where to start.

Can anyone offer any advice or point me in the right direction?
 
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Well the main thing is you'll need to know how much heat you'll want to dissipate
 

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