WÄRMETAUSCHER MIT RIPPENROHREN

The invention provides a finned tube comprising: a tube, and a fin strip having fins formed by forming slits of a predetermined length in a fin portion of a strip perpendicularly to the length of the strips at predetermined intervals, and a base portion in which no slit is formed, and wound around t...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	MACHIDA, YUKITAKA KURE WORKS OF BABCOCK-HITACHI, MARUMOTO, TAKAHIRO, MIMURA, TETSUO KURE WORKS OF BABCOCK-HITACH, SHIGENAKA, TOSHINORI KURE WORKS OF BABCOCK-HITACHI, KOHTAKA, IKUO KURE WORKS OF BABCOCK-HITACHI
Format:	Patent
Sprache:	ger
Schlagworte:	BLASTING DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OFGENERAL APPLICATION HEAT EXCHANGE IN GENERAL HEATING LIGHTING MECHANICAL ENGINEERING WEAPONS
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Beschreibung
Zusammenfassung:	The invention provides a finned tube comprising: a tube, and a fin strip having fins formed by forming slits of a predetermined length in a fin portion of a strip perpendicularly to the length of the strips at predetermined intervals, and a base portion in which no slit is formed, and wound around the tube so that the fins thereof extend substantially radially of the tube, wherein the fins are twisted at a twist angle in the range of 2 DEG to 40 DEG to a contact line along which the base portion of the fin strip is in contact with the tube, and inclined at an inclination angle in the range of 2 DEG to 20 DEG to a straight line perpendicular to the axis of the tube; and wherein the ratio H/h 1.5 or above, where H is the overall height of the fin strip and h is the height of the base portion.