by admin | Jun 2, 2015 | sem1
Black Body Radiation Black-body radiation is the type of electromagnetic radiation within or surrounding a body in thermodynamic equilibrium with its environment, or emitted by a black body (an opaque and non-reflective body) held at constant, uniform...
by admin | Jun 2, 2015 | sem1
Lee disc method The Lee’s Disc experiment determines an approximate value for the thermal conductivity k of a poor conductor like glass, cardboard, etc. The procedure is to place a disc made of the poor conductor, radius r and thickness x, between a steam chamber and...
by admin | Jun 2, 2015 | sem1
Newton’s law of Cooling Temperature difference in any situation results from energy flow into a system or energy flow from a system to surroundings. The former leads to heating, whereas latter leads to cooling of an object. Newton’s Law of Cooling states that...
by admin | Jun 2, 2015 | sem1
Thermal Conductivity In physics, thermal conductivity(often denoted k, λ, or κ) is the property of a material to conduct heat. It is evaluated primarily in terms of Fourier’s Law for heat conduction. Heat transfer occurs at a lower rate across materials of low...
by admin | Jun 2, 2015 | sem1
I Shaped Girders A girder bridge, in general, is a bridge that utilizes girders as the means of supporting the deck. A bridge consists of three parts: the foundation (abutments and piers), the superstructure (girder, truss, or arch), and the deck. A girder...
