heat transfer resistance
121Cordwood construction — For the method of electronic component assembly, see Printed circuit board# Cordwood construction. A section of a cordwood home. Cordwood construction (also called cordwood masonry, stackwall construction or stackwood construction ) is a term… …
122Electromagnetic radiation — Electromagnetism Electricity · …
123Fire door — A fire door is a type of door, or barrier used as a passive fire protection item within buildings to prevent the spread of fire or smoke which may consist of dangerous chemicals. It is usually the only means of allowing people to pass through a… …
124Reynolds number — In fluid mechanics and heat transfer, the Reynolds number mathrm{Re} is a dimensionless number that gives a measure of the ratio of inertial forces ({old mathrm V} ho) to viscous forces (mu / L) and, consequently, it quantifies the relative… …
125Structural steel — Various structural steel shapes Structural steel is steel construction material, a profile, formed with a specific shape or cross section and certain standards of chemical composition and mechanical properties. Structural steel shape, size,… …
126Laboratory glassware — Three beakers, a conical flask, a graduated cylinder and a volumetric flask …
127Insulated pipes — (called also preinsulated pipes) are widely used for district heating and hot water supply in Europe. They consist of steel pipe, insulation layer and outer casing. Main purpose of such pipes is to keep the temperature of the fluid in pipes.… …
128Atmospheric reentry — refers to the movement of human made or natural objects as they enter the atmosphere of a planet from outer space, in the case of Earth from an altitude above the edge of space. This article primarily addresses the process of controlled reentry… …
