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STRUCTURES AND METHODS FOR FORCING COUPLING OF FLOW FIELDS OF ADJACENT BLADED ELEMENTS OF TURBOMACHINES, AND TURBOMACHINES INCORPORATING THE SAME
STRUCTURES AND METHODS FOR FORCING COUPLING OF FLOW FIELDS OF ADJACENT BLADED ELEMENTS OF TURBOMACHINES, AND TURBOMACHINES INCORPORATING THE SAME
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机译:涡轮机相邻叶片单元流场耦合的结构和方法,以及包含该单元的涡轮机
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摘要
Turbomachines having close-coupling flow guides (CCFGs) that are designed and configured to closely-couple flow fields of adjacent bladed elements. In some embodiments, the CCFGs may be located in regions extending between the adjacent bladed elements, described herein as coupling avoidance zones, where conventional turbomachine design would suggest no structure should be added. In yet other embodiments, CCFGs are located upstream and/or downstream of rows of blades coupled to the bladed elements, including overlapping one of more of the rows of blades, to improve flow coupling and machine performance. Methods of designing turbomachines to incorporate CCFGs are also provided.
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