free convection

短语

[化] 自由对流

词形变化

free convections 复数 free convections

释义与例句

n.
  1. 1.

    The convection (carriage) of contents of a fluid, such as mass or (especially) heat, by means of currents induced in the fluid by a buoyancy force which is dependent on an acceleration (such as gravity) acting upon density changes in the fluid which are induced by heat.

    可数 不可数 物理

    The draft of a chimney due to a fire in a fireplace, and the rising of smoke particles from a fire, are due to free convection.

    The transfer of heat from a hot object by means of upward hot air currents from the object, is due to free convection.