Patent ID: 6666262
Filing Date: 2003-12-23
Classification: F28F

Abstract:
An arrangement for cooling a flow-passage wall surrounding a flow passage in which a cooling medium flows, said flow passage wall being exposed on a side opposite from the side facing the flow passage to a second medium that heats the flow passage wall, such that heat is transferred from the flow passage wall to the cooling medium, the arrangement comprising: at least one rib feature on the side of the flow-passage wall which faces the flow passage and directly opposite from the side of the flow passage wall exposed to the second medium, the at least one rib feature has a main longitudinal extent which is oriented at an acute angle &agr; to the direction of flow of the cooling medium passing through the flow passage, andwherein the rib-feature sections curve sinusoidally about the main longitudinal extent in a plane parallel to the flow passage wall, and wherein a plurality of the rib features are provided on each of two opposite flow-passage wall sides.