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2. Layered clothing - Wikipedia

   en.wikipedia.org/wiki/Layered_clothing

   Layered clothing usually consists of three layers. They are identified as follows: [citation needed] The inner layer provides comfort by keeping the skin dry. Also called base layer or first layer. The mid layer provides warmth. Also called an insulating layer. The shell layer protects the other two layers from wind and/or water.

3. Multi-layer insulation - Wikipedia

   en.wikipedia.org/wiki/Multi-layer_insulation

   Now imagine placing a thin (but opaque) layer 1 cm (0.4 in) away from the plate, also with an emissivity of 1. This new layer will cool until it is radiating 230 W from each side, at which point everything is in balance. The new layer receives 460 W from the original plate. 230 W is radiated back to the original plate, and 230 W to space.

4. Thermal boundary layer thickness and shape - Wikipedia

   en.wikipedia.org/wiki/Thermal_boundary_layer...

   This turbulent boundary layer thickness formula assumes 1) the flow is turbulent right from the start of the boundary layer and 2) the turbulent boundary layer behaves in a geometrically similar manner (i.e. the velocity profiles are geometrically similar along the flow in the x-direction, differing only by stretching factors in and (,) [5 ...

5. Tog (unit) - Wikipedia

   en.wikipedia.org/wiki/Tog_(unit)

   There is also a US clothing unit, the clo, equivalent to 0.155 R SI or 1.55 tog, described in ASTM D-1518. [7] A tog is 0.1⋅m 2 ⋅K/W. In other words, the thermal resistance in togs is equal to ten times the temperature difference (in °C) between the two surfaces of a material, when the flow of heat is equal to one watt per square metre. [1]

6. Via (electronics) - Wikipedia

   en.wikipedia.org/wiki/Via_(electronics)

   (1) Through hole. (2) Blind via. (3) Buried via. The gray and green layers are nonconducting, while the thin orange layers and red vias are conductive. A via (Latin, 'path' or 'way') is an electrical connection between two or more metal layers of a printed circuit boards (PCB) or integrated circuit. Essentially a via is a small drilled hole ...

7. Thermal insulation - Wikipedia

   en.wikipedia.org/wiki/Thermal_insulation

   Thermal insulation is integral to greenhouse design, enabling controlled environments for plant growth and energy efficiency. Common insulation techniques include the use of double-layer films and multi-wall polycarbonate panels, which trap air between layers to reduce heat transfer while maintaining sufficient light transmission for ...