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Company, De Laval Steam Turbine

Published by RareBooksClub.com (2017)

ISBN 10: 1130848752 ISBN 13: 9781130848755

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Quantity Available: 18

From: Murray Media (North Miami Beach, FL, U.S.A.)

Bookseller Rating: 4-star rating

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Item Description: RareBooksClub.com, 2017. Paperback. Book Condition: New. Never used! This item is printed on demand. Bookseller Inventory # 1130848752

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De Laval Steam Turbine Company

Published by RareBooksClub

ISBN 10: 1130848752 ISBN 13: 9781130848755

New Paperback

Quantity Available: 20

From: BuySomeBooks (Las Vegas, NV, U.S.A.)

Bookseller Rating: 5-star rating

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Item Description: RareBooksClub. Paperback. Book Condition: New. This item is printed on demand. Paperback. 42 pages. Dimensions: 9.5in. x 7.3in. x 0.3in.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. 1914 Excerpt: . . . feet per second, and g is the acceleration of gravity, or 32. 16 feet per second per second. The spouting velocity of steam expanded from boiler pressure to a high vacuum is in the neighborhood of 4000 feet per second, or when expanding to atmosphere, a little less than 3000 feet per second. In a reaction turbine, the buckets move, for the best efficiency, at the velocity of the steam and in an impulse turbine at one-half of the velocity of the steam. If the pump impeller were of the same diameter as the wheel of an impulse turbine, the head generated would be 35, 000 feet for 1500 feet per second bucket speed, which is approximately the velocity of the buckets in commercial single-stage turbines. These figures bring out vividly the necessity of some means of speed reduction between the steam turbine and the pump. The simplest method is to make the diameter of the pump impeller less than that of the turbine wheel. If the turbine wheel, for instance, is 3 feet in diameter and the pump wheel is 8 inches in diameter, the peripheral velocities will be in the same ratio, i. e. , with a peripheral speed of the turbine wheel of 1500 feet per second, the periphery of the pump impeller would run at 334 feet per second, and the head generated would be some 1730 feet. This is still a much higher head than is commonly required or than is suitable to a single-stage pump and it is obviously necessary to reduce the turbine bucket velocity or to incorporate some mechanical speed reduction between the turbine and the pump. Aside from having the turbine wheel run at some speed slower than the theoretically most efficient speed, there are two methods of reducing turbine speeds, viz. , velocity staging and pressurestaging. Velocity staging is exemplified by the De Laval Class and quot. . . This item ships from La Vergne,TN. Paperback. Bookseller Inventory # 9781130848755

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Delaval Steam Turbine Co.

Published by Delaval Steam Turbine Co., Trenton, New Jersey (1914)

Used Hardcover First Edition

Quantity Available: 1

From: Kealey's Korner (Sunnyvale, CA, U.S.A.)

Bookseller Rating: 5-star rating

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Item Description: Delaval Steam Turbine Co., Trenton, New Jersey, 1914. Hardcover. Book Condition: Very Good. First Edition.. Very good or better green cloth, rub wear to corners & spine-ends. 8vo. 298pp. Well-illustrated with photos of centrifugal pumps. With special chapters on speed-reducing gears & turbine-driven water works pumps. Bookseller Inventory # 000673

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Item Description: Trenton, NJ: DeLaval Steam Turbine Company, 1914. Soft cover. Book Condition: Good. A softcover trade catalog bound in blue paper wrappers, 298 pages. Blue endpapers. Good condition. The pages have green borders and feature many black & white illustrations. This copy has a cocked binding with bumps and chips to the edges of the wrappers and several long, closed tears on the spine. Some white markings are also visible on the back cover, there is a paper label adhered to the front cover, and the name of the company is written in black wax on the front cover as well. The binding is sturdy but the gutters are cracked in several places throughout the volume. There are no loose or missing pages. A.I.E.E. Library Jan 8 1915 is stamped on the title page. Bookseller Inventory # Trade-2012

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Published by DeLaval Steam Turbine Co., Trenton, New Jersey (1914)

Used Hardcover

Quantity Available: 1

From: Source Book Store (Davenport, IA, U.S.A.)

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Item Description: DeLaval Steam Turbine Co., Trenton, New Jersey, 1914. Hardcover. Book Condition: Good. Green cloth with gilt spine lettering and box with lettering on front cover, light edge and corner rubbing, contents clean and tight, G+ Picture available upon request. Bookseller Inventory # 006191

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De Laval

Used Hardcover

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Item Description: 1914. Book Condition: VG. May 1914 De Laval Steam Turbine Co. Octavo, 298pp., photo illustrations, hardcover. Owner signed. VG, some light staining on rear board. Bookseller Inventory # a67717

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