Heat engineering; a text book of applied thermodynamics for engineers and students in technical schools . hough the hydrauliccompressor or the Humphrey explo-sion compressor could be used. Forhigh pressures it will be shownthat efficient work necessitates thecompression in one cylinder to apressure much below that desired and then a further compres-sion of this air to a higher pressure. It may be that a thirdcompression is used before the desired pressure is reached. Eachone of these cylinders is known as a stage. The compressor men-tioned above would be known as a two-stage compressor. Ingene
Heat engineering; a text book of applied thermodynamics for engineers and students in technical schools . hough the hydrauliccompressor or the Humphrey explo-sion compressor could be used. Forhigh pressures it will be shownthat efficient work necessitates thecompression in one cylinder to apressure much below that desired and then a further compres-sion of this air to a higher pressure. It may be that a thirdcompression is used before the desired pressure is reached. Eachone of these cylinders is known as a stage. The compressor men-tioned above would be known as a two-stage compressor. Ingeneral one stage is used to 70 or 80 lbs. gauge pressure whilefrom that to 500 lbs. two stages are used, and three stages from500 to 1500 lbs. Above this four stages would be used. shows a two-stage compressor. In this air is sucked into thecenter of the piston A by the vacuum produced behind the pistonwhen the piston moves to the left, the air flowing through an open-ing left at the periphery B, as shown in Fig. 39. The air on theleft of the piston is compressed and after it reaches the pressure. Fig. 37.—Section of turbo blower. 120 HEAT ENGINEERING existing above the mushroom valve at C this opens and allowsthe air to exhaust into the discharge pipe D and from this intothe intercooler E in which the air is cooled by water in the pipes water is caused to circulate back and forth in this inter-
Size: 1417px × 1764px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1910, bookpublishernewyo, bookyear1915
