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Heat sinks provide a path for the heat from the LED source to outside medium. Heat sinks can dissipate power in three ways: conduction - heat transfer from one solid to another; convection - heat transfer from a solid to a moving fluid, which for most LED applications will be air; radiation - heat transfer from two bodies of different surface ...
Infrared heating uses infrared lamps, commonly called heat lamps, to transmit infrared radiation to the body that is being heated. When a body with a large surface area needs to be heated, an array of infrared lamps is often used. The lamp commonly contains an incandescent bulb that produces infrared radiation.
Many heat lamps include a red filter to minimize the amount of visible light emitted. Heat lamps often include an internal reflector. Heat lamps are commonly used in shower and bathrooms to warm bathers and in food-preparation areas of restaurants to keep food warm before serving. They are also commonly used for animal husbandry. Lights used ...
A 230-volt LED filament lamp, with an E27 base. The filaments are visible as the eight yellow vertical lines. An assortment of LED lamps commercially available in 2010: floodlight fixtures (left), reading light (center), household lamps (center right and bottom), and low-power accent light (right) applications An 80W Chips on board (COB) LED module from an industrial light luminaire, thermally ...
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A report from the U.S. surgeon general suggested that labels on alcoholic drinks should warn about cancer risk. Doctors expressed their agreement. For people wondering about the long-term damage ...
There are a wide range of Dutch ovens out there today, and they vary in size, material, and price. To help you find the best option to add to your kitchen, we spent months testing a total of 10 ...
As of 2011, some LED bulbs provide up to 150 lm/W and even inexpensive low-end models typically exceed 50 lm/W, so that a 6-watt LED could achieve the same results as a standard 40-watt incandescent bulb. The lower heat output of LEDs also reduces demand on air conditioning systems.
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