Kelly Kettle in the context of Chimney

⭐ Core Definition: Kelly Kettle

Kelly Kettle, Storm Kettle, Ghillie Kettle, Thermette, Survival Kettle and Volcano Kettle are trade names for portable devices for boiling water outdoors using twigs and other small combustible materials; these devices consist of a water jacket surrounding a fire chamber which creates an upward chimney draft ensuring efficient and rapid boiling even in windy or wet weather.

Kelly Kettle and Volcano Kettle are registered trademarks of the Kelly Kettle company which first produced the product in Ireland in the early 1900s. George Marris & Co of Birmingham first produced the "Sirram Volcano Kettle" in England in the 1920s. The Thermette was first manufactured in New Zealand in 1929 and was standard issue for the New Zealand Army during World War II where it was known as a Benghazi boiler or Benghazi burner. Other companies, including the Eydon Kettle Company started manufacture at later dates.

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Kelly Kettle in the context of Convection

Convection is single or multiphase fluid flow that occurs spontaneously through the combined effects of material property heterogeneity and body forces on a fluid, most commonly density and gravity (see buoyancy). When the cause of the convection is unspecified, convection due to the effects of thermal expansion and buoyancy can be assumed. Convection may also take place in soft solids or mixtures where particles can flow.

Convective flow may be transient (such as when a multiphase mixture of oil and water separates) or steady state (see convection cell). The convection may be due to gravitational, electromagnetic or fictitious body forces. Heat transfer by natural convection plays a role in the structure of Earth's atmosphere, its oceans, and its mantle. Discrete convective cells in the atmosphere can be identified by clouds, with stronger convection resulting in thunderstorms. Natural convection also plays a role in stellar physics. Convection is often categorised or described by the main effect causing the convective flow; for example, thermal convection.

View the full Wikipedia page for Convection

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⭐ Core Definition: Kelly Kettle

Kelly Kettle in the context of Convection