đối lưu

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đối lưu

Nước trong ấm được đun nóng chủ yếu nhờ cơ chế đối lưu.

Definition
  1. Noun:

    • Convection: The primary scientific meaning refers to the movement within a fluid (liquid or gas) caused by the tendency of hotter, less dense material to rise and colder, denser material to sink, transferring heat in the process.
  2. Noun (extended usage):

    • Exchange (of goods): In economic or logistical contexts, it can refer to the reciprocal exchange or circulation of commodities.
Usage Examples
  • Noun (Scientific):

    • Sự đối lưu không khí ảnh hưởng đến thời tiết. (Air convection affects the weather.)
    • Nồi nước sôi minh họa hiện tượng đối lưu nhiệt. (A boiling pot of water illustrates the phenomenon of thermal convection.)
  • Noun (Economic):

    • Hai công ty thỏa thuận đối lưu hàng hóa. (The two companies agreed on an exchange of goods.)
Advanced Usage
  • "đối lưu nhiệt": Thermal convection. This is the standard compound term for the heat transfer process.

    • Đối lưu nhiệt một trong ba chế truyền nhiệt. (Thermal convection is one of the three heat transfer mechanisms.)
  • "đỉnh đối lưu": Tropopause (in meteorology). The boundary in the Earth's atmosphere between the troposphere and the stratosphere, marking the limit of most convection.

    • Đỉnh đối lưu thường cao hơnvùng xích đạo. (The tropopause is usually higher over the equator.)
Variants and Related Words
  • Đối lưu quy mô lớn (n): Large-scale convection, often used in meteorology or oceanography.
  • Dòng đối lưu (n): Convection current.
    • Dòng đối lưu trong nung làm nóng đều. (The convection current in the furnace heats evenly.)
Synonyms
  • Convection: The circulatory movement in fluids.
  • Circulation: Movement to and fro or around something, especially that of fluid.
  • Exchange: The act of giving one thing and receiving another.
Related Scientific Terms
  • Dẫn nhiệt (Conduction): Heat transfer through direct contact.
  • Bức xạ nhiệt (Radiation): Heat transfer via electromagnetic waves.
  • Đối lưu cưỡng bức (Forced convection): Convection aided by external means like a fan or pump.
đối lưu

Nước trong ấm được đun nóng chủ yếu nhờ cơ chế đối lưu.

  1. Convection
    • Đối lưu nhiệt
      Thermal convection
  2. Exchange (goods)