DCHAS-L Discussion List Archive
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Subject: Water Hammer Hazard
Date: Mon, 27 Nov 2006 14:29:23 -0600
Author: "Murphy, Dr. Ruth Ann"
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Subject: Re: Water Hammer Hazard
Date: Mon, 27 Nov 2006 14:26:55 -0700
Author: "Greene, Ben"
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Date: Mon, 27 Nov 2006 16:17:38 -0500
Reply-To: Dan Crowl <crowl**At_Symbol_Here**MTU.EDU>
Sender: DCHAS-L Discussion List <DCHAS-L**At_Symbol_Here**LIST.UVM.EDU>
From: Dan Crowl <crowl**At_Symbol_Here**MTU.EDU>
Subject: Re: Water Hammer Hazard
Comments: To: "Murphy, Dr. Ruth Ann"
In-Reply-To: <4E2E6B81A1D0FE4E8E2B01F5FE9A012606866D80**At_Symbol_Here**newman.umhb.edu>
Ruth,
My physics teacher in high school had the same result the first time he
used the device in class!
That was in 1966!
I bet it is the same device!
Dan Crowl
Professor of Chemical Engineering
Michigan Tech University
Houghton, MI
Murphy, Dr. Ruth Ann wrote:
> Dear CHAS Members:
>
> A water hammer (lecture demonstration device) broke this month when
> lowered, sending glass flying in my classroom. The water hammer is
> designed to make a loud noise when properly lowered; however this
> hazard, previously unknown to me, should require strict warnings for its
> use, or the substitution of something safer.
>
> Ruth Ann Murphy, Ph.D.
> Chemistry Dept. Chairperson and Professor
> The University of Mary Hardin-Baylor
> 900 College Street
> Belton, TX 76513-2599
> Phone (254) 295-4542
> Fax (254) 295-4237
>
>
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