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Transactions of the Liverpool Engineering Society Volume 18 download pdf

Transactions of the Liverpool Engineering Society Volume 18 download pdf

Transactions of the Liverpool Engineering Society Volume 18 by Liverpool Engineering Society
Transactions of the Liverpool Engineering Society Volume 18
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Author: Liverpool Engineering Society
Page Count: 104 pages
Published Date: 01 May 2012
Publisher: Rarebooksclub.com
Publication Country: Miami Fl, United States
Language: English
ISBN: 9781231283738
File Name: Transactions.of.the.Liverpool.Engineering.Society.Volume.18.pdf
Download Link: Transactions of the Liverpool Engineering Society Volume 18
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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1897 Excerpt: ...to be read, a trained attendant being required to enter up the log thoroughly. With regard to superheating in the compressor, that, as I have stated, does not take place to a very great extent, because the regulating valve can be so adjusted as to pass a certain amount more refrigerant than is absolutely required for refrigerating effect. Nevertheless, in the best regulated machines, a certain amount of superheating almost invariably takes place. With reference to Mr. Fernie's remarks, taking his last point first, viz., insulation, if the insulation was perfect there would be nothing for the refrigerating machine to do after the hold and its contents had been cooled to the required temperature. As it is, all the machine has to do is to pump out the heat that leaks in, and if the insulation was perfect the machine could stop, but of course that is not so, but it is a point we should be particular about, and I take it that felt is the best insulation for ships, and I have no doubt that it soon repays itself for the additional outlay. Now with regard to the carbonic anhydride machine, I have said in the paper it does not matter what refrigerant is used, whether it is vapour or air. That means to say that once a ship has started the work of a machine is not very great, so that consequently a carbonic anhydride machine may do its work well. I would not question that for a moment, but what is its value compared with ammonia above 88 F.! With regard to the liquid passing to the compressor, a certain amount is passed, but too great an amount means that the attendant has not been looking after the machine. With regard to ammonia being unpleasant, that is so, of course, and in my opinion that is one of the chief features in its favour. You cannot tell when the carbon...

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