RE: Re: Steam Moisture Content

From: <Lapoint>
Date: Sat Sep 22 2001 - 11:35:00 EDT

could you please send me a picture of this throttling calorimeter. jpg or bmp will be fine.

thanks for you help.

Daymon C. LaPoint
Field Piping Engineer
Red Dog Mine Alaska
VECO/Cominco
907-426-2152
<a href="/group/PipingDesign/post?postID=EFFaaNBfaJ4pUL-agwoA026H0xcJZFZURSdCTCBVl1gOQCZj0n34Yvac0WobPkgkGDETOxD2UImCrexW0I-JpEbU9rzK">daymon.lapoint@cominco.com</a>

-----Original Message-----
From: <a href="/group/PipingDesign/post?postID=6y_XIQpipwRuIaena64_HItDTjzU-L2awx7w5Dev9YrU3MGnbG6cUwD5MmOqHuVVMsdyXEQ">FRROSSE@aol.com</a> [mailto:<a href="/group/PipingDesign/post?postID=6y_XIQpipwRuIaena64_HItDTjzU-L2awx7w5Dev9YrU3MGnbG6cUwD5MmOqHuVVMsdyXEQ">FRROSSE@aol.com</a>] Sent: Friday, September 21, 2001 7:07 PM To: steam-list@lists.cc.utexas.edu; <a href="/group/PipingDesign/post?postID=PhF-4Vss1QwdiLx8h3uZKyXTau3ACaPOAVZvJN4TQr6yfqag2394BBmGyDR6oy8KSE1LOar4L3tIkKxHHruvHhI4h-oZEtM">PipingDesign@yahoogroups.com</a> Subject: [PipingDesign] Re: Steam Moisture Content

A throttling calorimeter is easy to make from ordinary pipe fittings, and there are countless illustrations in any number of old engineering books. If

you don't have one I will send a picture, please inform me of the format you

use (.jpg, .bmp, etc.). My e-mail is <a href="/group/PipingDesign/post?postID=rUoG0pXyOwx9ZRcrquzHuM_z7IEsOop34UaETeCX882FHpooNRZXbFqmaFJjlSTUCcmXf8i4xg">rossef1@asme.org</a>

Two problems with throttling calorimeters; a, Getting a good representative steam sample is difficult. If velocity is low there can be significant separation of steam and water, and your sample tube may get the "more dry" sample, or a "more wet" sample to measure.

b, The useful range for this device is limited to steam with moderate quantities of moisture. Examine a Mollier chart to see the useful range of this device.

[Non-text portions of this message have been removed]

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Your use of Yahoo! Groups is subject to <a href="http://docs.yahoo.com/info/terms/">http://docs.yahoo.com/info/terms/</a> Received on Sat Sep 22 11:35:00 2001