| 摘要 |
<p>A cooling arrangement for a first stage nozzle (14) of a turbine includes a slot (26) formed in a forward face of the first stage nozzle, the slot (26) opening in a direction facing a combustor transition piece (12) and adapted to receive a flange portion (24) of a seal (18) extending between the first stage nozzle and the transition piece. The slot (26) has a closed end formed with at least one cooling cavity (29) provided with at least one cooling passageway (32) extending between the cavity and an external surface (34) of the first stage nozzle.
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