摘要: The effectiveness of different configurations of funnel for SHIPS 63-64 was compared in a low speed wind tunnel investigation, at two engine power settings representing operations at light and full draft displacements. The recomme... 展开 The effectiveness of different configurations of funnel for SHIPS 63-64 was compared in a low speed wind tunnel investigation, at two engine power settings representing operations at light and full draft displacements. The recommended configuration combined an elliptic envelope, or funnel casing, with a horizontal crown at a height of 6 metres above the compass bridge deckhead, enclosing the main gas turbine exhaust pipe which extended 1-1/2 metres above the crown of the casing. (Author) 收起