公开(公告)号：US20170037733A1

公开(公告)日：2017-02-09

申请号：US15305605

申请日：2015-04-23

Applicant: SNECMA

Inventor： Charlotte Marie DUJOL ,  Patrice ENEAU ,  Sebastien DIGARD BROU DE CUISSART ,  Matthieu Jean-Luc VOLLEBREGT

IPC: F01D5/18

CPC classification number: F01D5/187 ,  F05D2220/323 ,  F05D2240/301 ,  F05D2260/221 ,  Y02T50/673 ,  Y02T50/676

Abstract: The internal cooling of moving blades of turbines in aircraft turbomachines is limited in effectiveness because of inhomogeneities of this cooling on each of the pressure-side and suction-side walls. To address this problem, there is proposed a blade including a circuit for cooling the airfoil part thereof, in which circuit the cavities interconnected in series are such that the stream of air flows radially toward the outside along the pressure-side wall in pressure-side cavities, and radially toward the inside along the suction-side wall in a suction-side cavity that is separated from the pressure-side cavities by an internal wall of the airfoil part. In this way, the force of the Coriolis effect deflects the stream of air toward each of the pressure-side and suction-side walls thereby limiting the inhomogeneity.

Abstract translation: 由于在每个压力侧和吸入侧壁上的这种冷却的不均匀性，飞机涡轮机中的涡轮机的叶片的内部冷却受到限制。 为了解决这个问题，提出了一种叶片，其包括用于冷却其翼型部分的电路，其中串联连接的空腔的电路使得空气流沿压力侧的压力侧壁径向流向外部 并且通过翼型部的内壁与吸入侧腔分离的吸入侧空腔中的吸入侧壁径向向内侧径向移动。 以这种方式，科里奥利效应的力将空气流偏向压力侧和吸力侧壁，从而限制了不均匀性。