Prony brake dynamometer ppt

A prony brake see figure develops mechanical friction on the periphery of a rotating pulley by means of brake blocks that are. Pony brake is one of the simplest dynamometers for measuring power output brake power. I like the prony brake, its kind of where the term brake horsepower originated. Construction and working of prony brake dynamometer theory of. A shaft transmitting power from an ic engine is made of steel with e 200 gpa, and has a diameter of d0. The blocks are clamped by means of two bolts and nuts, as shown in figure. Construction and working of prony brake dynamometer video lecture from chapter brakes and dynamometers in theory of machine for. It is the simplest form of absorption type dynamometer. Construction and working of prony brake dynamometer theory of machine duration. On this channel you can get education and knowledge for general issues and topics. Senior design project report design of dynamometer for. It has two wooden blocks that are placed on a pulley which is fixed on the shaft of the engine whose power is to be measured. This frictional resistance or frictional torque is obtained by applying a brake, hence dynamometer is a brake with a device of measuring the frictional resistance or frictional torque. Dt843 agricultural pto dynamometer dynotech dynamometer843.

It consists of two wooden blocks placed around a pulley fixed to the shaft of an engine whose power is required to be measured. Construction and working of prony brake dynamometer, tom. In this method of measuring horsepower is to attempt to stop the engine by means of a brake on the flywheel and measure the weight which an arm attached to the brake will support, as it tries to rotate with the flywheel. He then goes on to research methods of measuring the motors output where he discovers the prony brake which leads to the rope brake dynamometer. It is to attempt to stop the engine using a brake on the flywheel and measure the weight which an arm attached to the brake will support, as it tries to rotate with the flywheel. Prony brake definition of prony brake by merriamwebster. A simplest form of an absorption type dynamometer is a prony brake dynamometer. Prony brake dynamometer it works on the principle of converting power into heat by dry friction. The wooden blocks are clamped together with two sets of bolts and nuts. Engineering video edurev ppt and other mechanical engineering slides as. A dynamometer is a device used to measure the frictional resistance or frictional torque. Prony brake definition is a friction brake or absorption dynamometer in which the pull on the flywheel friction blocks is measured by a spring balance or weighted lever. It consists of two wooden blocks around a pulley fixed to the shaft of an engine, whose power is required to be measured. The degree of retarding action is dictated by the force with which this frictional contact is applied.