LOAD-BEARING PANEL OF SPACECRAFT CASE (VERSIONS)

摘要

FIELD: rocketry and space engineering; structural members of spacecraft case.;SUBSTANCE: proposed load-bearing panel has frame and load-bearing lower and upper bases with cellular filler arranged in between bases and frame. For communication of interiors of honeycomb cells, provision is made for drain holes in side surfaces of each honeycomb cell. According to first version, communication of interiors of honeycomb cells is carried out through drain holes available in at least one member of frame; according to second version, drain holes are made in at least one load-bearing members of panel smoothly over area of its surface; according to third version, drain holes are made in at least one member of frame and in least one load-bearing base of panel smoothly over area of its surface. Total areas of drain holes in said structural members are determined with total volume of gas medium in honeycomb cells, drainage coefficient of drain holes and maximum pressure differential of gas medium acting on bases of panel taken into account.;EFFECT: enhanced structural strength of load-bearing members of spacecraft case without increase of their mass; facilitated procedure of manufacture and ease in mounting the panels; enhanced operational reliability.;4 cl, 4 dwg