 water tank which acts as storage.
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<p>
The tank factor is used to adjust the peak demand for these systems, by expressing it as a multiple of the minimum possible peak demand (i.e. the annual demand expressed in kW).
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<h3 id="concept-heat-loss"><span class="section-number-3">11.8.</span> Pipe heat loss</h3>
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<p>
Heat network pipes lose heat into the the ground, bec