Cooling 60,000 m3/h Air: Using an H-X Diagram

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SUMMARY

The discussion focuses on cooling a ventilation system that processes 60,000 m3/h of air, reducing its temperature from 26°C at 60% relative humidity (RH) to 14°C. Participants emphasize the use of the enthalpy-enthalpy (h-x) diagram to determine the cooling requirements in kilowatts (kW). The evaporative temperature is noted as 6°C, which is crucial for calculating the cooling load. Contributors encourage users to present their calculations to facilitate expert assistance.

PREREQUISITES
  • Understanding of psychrometrics and h-x diagrams
  • Knowledge of thermodynamic principles related to air cooling
  • Familiarity with relative humidity and its impact on cooling
  • Basic skills in calculating cooling loads in kW
NEXT STEPS
  • Study the principles of psychrometric charts and how to interpret h-x diagrams
  • Learn how to calculate cooling loads using specific enthalpy values
  • Research evaporative cooling techniques and their efficiency
  • Explore software tools for HVAC load calculations
USEFUL FOR

HVAC engineers, mechanical engineers, and anyone involved in designing or optimizing ventilation systems for large air volumes.

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A ventilationsystem is to cool 60,000 m3/h of air. The outside air is 26C at 60% RH, after cooling it is down to 14C. The evaporative temp. is 6C. How do I use the h-x diagram to find the need for cooling, I suppose in kW?
 
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According to the rules you agreed to, you have to show some work. If you post your own attempt at answering this question then I am sure that some of our thermo gurus will be happy to help.
 

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