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Mechanical Production of Cold , livre ebook

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215 pages

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Whilst the greatest effort has been made to ensure the quality of this text, due to the historical nature of this content, in some rare cases there may be minor issues with legibility. In the new portions the separation of oxygen from nitrogen in air, by condensation under extreme cold, is dealt with in some detail. This process, which is due for the most part to the genius Of Linde, has become important in the commercial supply of oxygen and also as a step in the manufacture of nitrogenous manure. In the theoretical treatment of refrigerating machines the investigations of Dr Mollier have been specially fruitful. The Appendix will be found to contain an account of useful graphic processes with which he has enriched this branch of technical thermodynamics. In expanding the book the original form of lectures has been retained, as being appropriate to the intended method of treatment. A general account of refrigeration is given, but it is chiefly on the thermodynamic aspect of the subject that stress is laid.

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Publié par	Forgotten Books
Date de parution	27 novembre 2019
Nombre de lectures	0
EAN13	9780243784493
Langue	English
Poids de l'ouvrage	6 Mo

Informations légales : prix de location à la page 0,0392€. Cette information est donnée uniquement à titre indicatif conformément à la législation en vigueur.

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M LT M N T

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PNPLHF NN LLO O SO F D N HF LL O F NO NO SOLLMD FOMLPO FSSFO O MHNMP PL DMHNS NSO FMD OM MND O N L O F D O

book is reprint oward Le t res on the echan alPocietydelivered be ore the roduction of rts in with additions and corrections whi h show the advan es of th e past eleve yearsand bring the ac ounts machines and processes into ccord with the practi e the present day In its ain eatures the re rigeration has undergone little hang that time notable progress has been made in som directions and this has required the in roduction of a good d al of supplementary matter In portions the separation oxygen rom nitrogen air by condensation under extr me co d is dealt with in some deta l This process hich is the most part to the genius Linde has eco important in the commercial su ply oxygen and also as a step in manu actur nitrogenous manur In the theoretical treatment re rigerating machines the investigations ollier hav been specially ruit ul The ppendix will be found to contai account of use ul graphi processes with whi h he has enriched this branch technical thermod namics In expanding the book the original orm lectures has been re ained as bei g appropriate to the intended method treatment general account re rigeration is give bu t it is hieﬂy on the thermodynamic aspe t the subj ect that stress is laid From this pointView a re rigerating machine is essentially a contrivance um i g up heat rom a place that is comparatively cold to a lace that is comparati ely warm and ques ion rimary interest is how to do this umping with the least expenditure power are concerned with the theoretical

vi PREFCE limits to the e onomy of power that hold in ideal refrigerating pro esses and with to how nearly the actual onditions u der which refrigeration is carri ed ou t will allow these limits to be approached hen one or another type of real machine is employed The lectu res are in great part an attemp to mak this side of the subj ect unnecessa y mathemati s In preparing th em I obtained much information rom Lind Professor indhausen Lightfoot esketh terne lfred aslamProfessor James ewar the late Frederick ramwell To many these gentlemen I additionally indebted now especially Linde Lightfoot esketh and James ewar ollier urray of the ritish xygenCom ny illiam a say andPhilip atts have also mo t kindly helped in various ways to ak the work more complete I hav also to thank authorities of the o iety rts for permission to material which appeared in the of the o iety I

Th e changes in th e e ond dition are m ainly th e correction ertain and the clearing up of points in which the original text was somewhat obscure J

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