Carrier Chart psychometric chart - Free download as PDF File (.pdf), Text File (.txt) or view presentation slides online. PSYCHROMETRIC CHART Normal Temperature SI Units SEA LEVEL-10 -5 0 5 10 15 20 25 30 35 40 0 10 20 30 40 50 60 70 80 90 ENTHALPY - KJ PER KILOGRAM OF DRY AIR 0 2 4 6 8 10 12 14 16 18 20 22 24 HUMIDITY RATIO (or Specific Humidity) GRAMS OF MOISTURE PER KILOGRAM OF DRY AIR Below 32 F, properties and enthalpy deviation lines are for ice.
The enthalpy can be found by using two triangles to draw a line parallel to the nearest enthalpy. Read humidity ratio W = 6.5 g (water)/kg (dry air). Locate state point on the psychrometric chart at the intersection of 40☌ dry-bulb temperature and 20☌ thermodynamic wet-bulb temperature lines.
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