Another hydraulics program, for calculating pipes with moody s diagram. It was first published in 1900 by john moody, nine years before he founded moody s. In 1944, lewis ferry moody plotted the darcyweisbach friction factor against reynolds number re for various values of relative roughness. Gravityan applet that calculates and displays the positions of gravitational bodies using newton s laws of motion and gravitation. Pdf on aug 10, 2011, adolfo guitelman and others published verificacion. The moody friction factor f is used in the darcyweisbach major loss equation. In engineering, the moody chart or moody diagram is a graph in nondimensional form that. If playback doesnt begin shortly, try restarting your device. Requires java lubricating filmcomputes the viscous shears and pressures produced by lubricating films in bearings of various geometries. Request pdf on jul 9, 2014, saturninoluis albert virto and others published presentacion 10.
The equation is named after henry darcy and julius weisbach the darcyweisbach equation contains a dimensionless friction factor, known as the darcy. This chart became commonly known as the moody chart or moody diagram. However, you must still enter an e for the program to run even though e is not used to compute f. It adapts the work of hunter rouse but uses the more practical choice of coordinates employed by r. Initially called moody s manual of industrial and miscellaneous securities, it was later superseded by moody s manual of railroads and corporation securities, then by moody s analyses of investments. Pigott, whose work was based upon an analysis of some 10,000. A transicao entre o regime laminar e turbulento em dutos e sinalizada.