<div dir="ltr"><div class="gmail_default" style="font-family:trebuchet ms,sans-serif">I'm using TRNSYS-18. Yes, the entire average temperature of the rock bed is changing. I'm not sure but could this might be a phenomenon for small rock beds (total volume < 1m3)? See attached photos for example. </div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Tue, Mar 28, 2023 at 3:23 PM Alex Cheng <<a href="mailto:alexchengggg@gmail.com">alexchengggg@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div class="gmail_default" style="font-family:"trebuchet ms",sans-serif">Hello, </div><div class="gmail_default" style="font-family:"trebuchet ms",sans-serif"><br></div><div class="gmail_default" style="font-family:"trebuchet ms",sans-serif">In Type 10 rock bed storage, why is it that when the number of derivatives/segments is increased, the time it takes to heat up the rock bed is faster? The difference between the segment = 5 and the segment = 40 is drastically different for small rock beds. </div><div class="gmail_default" style="font-family:"trebuchet ms",sans-serif"><br></div><div class="gmail_default" style="font-family:"trebuchet ms",sans-serif">Thanks</div></div>
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