Ice-making Machines: The Theory of the Action of the Various Forms of Cold-producing Or So-called Ice Machines (machines Á Froid)D. Van Nostrand, 1879 - 150 páginas |
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Página 11
... ature . The performance of a refrigerating machine depends upon the ratio between the calories eliminated and the work expended in cooling . It is expressed by Q W and we have Q == AQ WQ , -Q = A Ii T - 0 -T2 0 This result is ...
... ature . The performance of a refrigerating machine depends upon the ratio between the calories eliminated and the work expended in cooling . It is expressed by Q W and we have Q == AQ WQ , -Q = A Ii T - 0 -T2 0 This result is ...
Página 25
... ature from t , to t , ' . we have ; v , ' = v1 ' T. ' ( 8 ) and the quantity of heat imparted to the water of the condenser is ; Q1 = mke ( T , —T , ' ) If T , ' = T , then R1 = AW , THIRD PERIOD ; EXPANSION . ( 9 ) The volume V , ' of ...
... ature from t , to t , ' . we have ; v , ' = v1 ' T. ' ( 8 ) and the quantity of heat imparted to the water of the condenser is ; Q1 = mke ( T , —T , ' ) If T , ' = T , then R1 = AW , THIRD PERIOD ; EXPANSION . ( 9 ) The volume V , ' of ...
Página 29
... ature of the air leaving the condenser at 18 ° ; temperature of the water about 13 ° V = 1 , T = 288 and m = = 1.266 . § 12. An examination of the table shows the enormous influence that the passive resistances exert upon the efficiency ...
... ature of the air leaving the condenser at 18 ° ; temperature of the water about 13 ° V = 1 , T = 288 and m = = 1.266 . § 12. An examination of the table shows the enormous influence that the passive resistances exert upon the efficiency ...
Página 32
... ature of the air is higher than it would have been if dry . Furthermore the snow produced from this moisture accumulates around the ori- fice of the cold air outlet and we cannot readily utilize the cold which is required to produce it ...
... ature of the air is higher than it would have been if dry . Furthermore the snow produced from this moisture accumulates around the ori- fice of the cold air outlet and we cannot readily utilize the cold which is required to produce it ...
Página 69
... ature to have a tension above that which can be readily managed by the appa- ratus . On the other hand if the tension of the gas at the minimum temperature is too low , it becomes necessary to give to the compression cylinder large ...
... ature to have a tension above that which can be readily managed by the appa- ratus . On the other hand if the tension of the gas at the minimum temperature is too low , it becomes necessary to give to the compression cylinder large ...
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Términos y frases comunes
25 cents absolute temperature absorption chamber adiabatic curve air machine ammonia apparatus atmospheres ature boiler calculations CHEMICAL cloth compression compressor cylinder condenser constant pressure cooler cooling cubic meter deduce degrees degrees determined edition effect efficiency employed Engineer equa equal equation ether expansion cylinder external final temperature freezing machines gases heat of vaporization heat Q horse power HYPSOMETRY Illustrated kilo Kilog kilogram kilogrammeter latent heat liquefiable gas liquid mechanical force mixture monia morocco negative calories NOSTRAND'S PUBLICATIONS obtained perature piston PLYMPTON power per hour PRACTICAL TREATISE Prof Q₁ quantity of heat quantity of negative refrigerant Regnault reservoir resistance revised solution specific heat steam sulphur dioxide sulphuric ether superheated superheats surface condenser T₁ T₂ tempera theoretic tion ture U. S. Navy V₁ V₂ valve volume described waste space watery vapor Weight of vapor wood-cuts Wr-Wm Zerah Colburn
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