Scientific and Technical Aerospace Reports


Book Description

Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.
















Effect of Stage Spacing on Performance of 3.75-inch-mean-diameter Two-stage Turbine Having Partial Admission in the First Stage


Book Description

"The design and the experimental investigation of a 3.75-inch-mean-diameter partial-admission two-stage turbine are presented herein. The investigation was made to determine the effect on two-stage-turbine performance of a change in the axial distance between stages for a turbine with partial admission in the first stage. Accordingly, the turbine was designed with 31.3-percent admission in the first stage, full admission in the second stage, and provision for changing the axial distance between stages. The results of the two-stage investigation are presented for each of the axial distances between stages of 0.25, 0.50, 0.75, 1.00, 1.50, and 2.00 inches. The results of the first-stage investigation are also presented, together with a calculated efficiency for the second stage, at each value of stage spacing as calculated from the two-stage and first-stage results."--Page 1