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convection    音标拼音: [kənv'ɛkʃən]
n. 传达,对流,对流

传达,对流,对流

convection
对流

convection
对流

convection
n 1: the transfer of heat through a fluid (liquid or gas) caused
by molecular motion
2: (meteorology) the vertical movement of heat or other
properties by massive motion within the atmosphere

Convection \Con*vec"tion\, n. [L. convectio, fr. convehere to
bring together; con- vehere to carry.]
1. The act or process of conveying or transmitting.
[1913 Webster]

2. (Physics) A process of transfer or transmission, as of
heat or electricity, by means of currents in liquids or
gases, resulting from changes of temperature and other
causes.
[1913 Webster]

Liquids are generally heated by convection -- when
heat is applied from below. --Nichol.
[1913 Webster]


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  • Convection - Wikipedia
    Convection is the transfer of heat through the physical movement of fluids (liquids or gases), where warmer, less-dense material rises and cooler, denser material sinks It is a single-phase or multiphase fluid flow that occurs spontaneously through the combined effects of material property heterogeneity and body forces on a fluid
  • Convection | Definition, Examples, Types, Facts | Britannica
    convection, process by which heat is transferred by movement of a heated fluid such as air or water Natural convection results from the tendency of most fluids to expand when heated—i e , to become less dense and to rise as a result of the increased buoyancy Circulation caused by this effect accounts for the uniform heating of water in a kettle or air in a heated room: the heated molecules
  • Convection - Definition, Examples, Types
    Convection is a process of heat and mass transfer in fluids that occurs naturally in the atmosphere, oceans, and Earth’s interior and is widely applied in engineering Understanding convection provides insight into everything from weather patterns and ocean currents to industrial processes and the interior dynamics of stars
  • Understanding Convective Heat Transfer: Coefficients, Formulas Examples
    Heat transfer between a solid and a moving fluid is called convection This is a short tutorial about convective heat transfer
  • CONVECTION Definition Meaning - Merriam-Webster
    The meaning of CONVECTION is the action or process of conveying How to use convection in a sentence
  • Convection - Energy Education
    Convection is a way for heat to move, also referred to as a heat transfer mechanism This transfer of heat happens when a fluid such as air or water is in motion Convection is driven by temperature differences across that fluid When a fluid is heated, the region in closest contact with the heat source becomes less dense due to increased kinetic energy in the particles The portion of fluid
  • Convection: Definition and Examples - Science Facts
    Convection is the heat transfer process from one region to another due to the movement of fluids like air or water The initial heat transfer occurs through conduction, but the primary transfer occurs through convection It is the dominant form of heat transfer in liquids and gases
  • 15 Examples of Convection In Daily Life - The Engineering Knowledge
    15 Examples of Convection In Daily Life Convection is a phenomenon for the transfer of heat that is important for different natural and man-made processes Convection heat transfer is a process used in thermodynamics and is part of different processes We can practically observe convection during boiling water and heat exchange during heating
  • When to Use the Convection Setting On Your Oven (and When Not To)
    For the right recipe, the convection setting on your oven will level up your roasting and baking Here’s when to use and when not to use convection
  • What Is Convection Heat Transfer and How Does It Work?
    Convection is the dominant method of heat transport in most liquids and gases because it involves the physical transport of heated matter The process combines the transfer of heat by the fluid’s motion, called advection, with the localized transfer of heat through direct contact, or conduction The Mechanism of Heat Transfer Through Fluid





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