pipe material
61Heat transfer coefficient — The heat transfer coefficient, in thermodynamics and in mechanical and chemical engineering, is used in calculating the heat transfer, typically by convection or phase change between a fluid and a solid::Delta Q=h cdot A cdot Delta T cdot Delta… …
62Poisson's ratio — ( ν ), named after Simeon Poisson, is the ratio of the relative contraction strain, or transverse strain (normal to the applied load), divided by the relative extension strain, or axial strain (in the direction of the applied load).When a sample… …
63Tap water — Indoor Tap commonly found in the bathroom or kitchen. This tap is a single handle, double spout tap (one spout for hot water, one spout for cold water). Tap water (running water, city water, municipal water, etc.) is a principal component of… …
64Wind chime — Wind chimes or Aeolian chimes are often hollow or solid metal, glass, or wooden tubes which are usually hung outside of a building and are intended to be played by the wind, which causes the chimes to strike each other or metal, wood, or rubber… …
65Hydrogen economy — The hydrogen economy is a proposed system of delivering energy using hydrogen. The term hydrogen economy was coined by John Bockris during a talk he gave in 1970 at General Motors (GM) Technical Center.[1] Hydrogen advocates promote hydrogen as… …
66Compression fitting — A compression fitting 15 mm isolating valve Compression fittings are used in plumbing and electrical conduit systems to join two tubes or thin walled pipes together. In instances where two pipes made of dissimilar materials are to be …
67Friction loss — refers to that portion of pressure lost by fluids while moving through a pipe, hose, or other limited space. Causes Friction loss has several causes, including:*Frictional losses depend on the conditions of flow and the physical properties of the …
68aqueduct — /ak wi dukt /, n. 1. Civ. Eng. a. a conduit or artificial channel for conducting water from a distance, usually by means of gravity. b. a bridgelike structure that carries a water conduit or canal across a valley or over a river. 2. Anat. a canal …
69Pelton wheel — The Pelton wheel is among the most efficient types of water turbines. It was invented by Lester Allan Pelton (1829 1908) in the 1870s, and is an impulse machine, meaning that it uses the principle of Newton s second law to extract energy from a… …
70Darcy, Henri-Philibert-Gaspard — ▪ French engineer born June 10, 1803, Dijon, France died Jan. 3, 1858, Paris French hydraulic engineer who first derived the equation (now known as Darcy s law) that governs the laminar (nonturbulent) flow of fluids in homogeneous, porous… …
