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first law of thermodynamics : the power at primary and secondary side is always the same (assuming no thermal losses)
the diversity factor is a “probability of simultaneous tappings“ which is obviously not impacted by components in the network
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It is correct to state that the diversity power = diversity factor * total power It is NOT correct to state that the diversity flow = diversity factor * total flow |
Heat exchanger
In the example above (in which the UA value of the heat exchanger is known) a system of three equations determines the primary flow and primary return temperature. In all equations, the power P is equal.
system equation at secondary side
system equation at primary side
heat exchanger equation in between :
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