Chapter hvac engineering Fundamentals: Part 1 Introduction

19.5
HVAC Processes on the
Psychrometric Chart
Any HVAC process may be plotted on the chart if the end state points
are known and sometimes if only the beginning state point is known.
19.5.1
Mixing of two airstreams
A very common HVAC process is the adiabatic mixing of two air-
streams, e.g., return air and outside air, or hot and cold streams in a
Engineering Fundamentals: Part 4
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