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<p>Amirreza,</p>
<p> I do not know which desiccant wheel model you are using but the
ones that I am familiar with do not get into the level of detail
of how control of the outlet humidity ratio is achieved. You are
probably right that the wheel speed changes. It may be, however,
that the model supposes that the power required by the wheel motor
is independent of wheel speed.</p>
<p>kind regards,</p>
<p> David</p>
<p><br>
</p>
<br>
<div class="moz-cite-prefix">On 09/16/2017 00:53, Amirreza Heidary
via TRNSYS-users wrote:<br>
</div>
<blockquote type="cite"
cite="mid:CAMtrc5QGmBnssFU9U9Ahk5=n1OWb1LKfJ_kpCyYTkWVkxbxALw@mail.gmail.com">
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<div>Dear All</div>
<div>In the desiccant wheel, how does the outlet humidity ratio
of fresh air is controlled? I think that the rotational speed
of wheel is an important parameter which affects the outlet
humidity ratio, but I didn't any parameter determining it.
What is the rotational speed of wheel?</div>
<div>Thank you </div>
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<pre class="moz-signature" cols="72">--
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David BRADLEY
Principal
Thermal Energy Systems Specialists, LLC
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