EPICYCLIC TRAIN DYNAMOMETER PDF

Table, Create, Delete, Add, Rows, Column, Delete, Row, Column, Add, Simple, XY, Pie, Chart. Data, Import, Export. Table, Create, Delete, Add, Rows, Column. FIGURE Epicyclic train dynamometer. direction. The power is transmitted from gear B to D through the intermediate gear C which revolves freely on a pin. This type of dynamometer can be classified as follows: 1. Epicyclic train dynamometer 2. Belt transmission dynamometer 3. Torsion dynamometer. EpicydiC train.

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There is another pulley B called driven pulley mounted on another shaft to which the power from pulley A is transmitted. Rotational Dynamics In pure translational motion, all points on an object travel on parallel paths.

The annular gear is also keyed to the driving shaft and rotates in clockwise direction. The upper block has a long lever attached to it and carries a weight W at its outer end. Prony brake dynamometer 2. The most general motion is a combination of translation.

Epicyclic-train Dynamometer-torque and power transmitted ()

The pulleys A and B are connected by means of a continuous belt passing round the two loose pulleys C and D which are mounted on a T-shaped frame. R And power transmitted. A little consideration will show that when the power is being transmitted, then the driving end of the shaft twists through a small angle relative to the driven end of the shaft.

A weight w is placed at dyanmometer smaller end of the lever in order to keep it in position. Since the tension in the tight side of the belt T1 is greater than the tension in the slack side of the belt T2 ,so the total force acting on the pulley C i. We think you have liked this presentation. My presentations Profile Feedback Log out. The energy or power produced by the engine is transmitted through the dynamometer to some other machines where the power developed is suitably measured.

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epivyclic

To use this website, you must agree to our Privacy Policyincluding cookie rynamometer. Engineering College Palanpur Name: Share buttons are a little bit lower. It consists of a pulley A called driving pulley which is rigidly fixed tothe shaft of an engine whose power is required to be measured.

In the transmission dynamometers, the energy is not wasted in friction but is used for doing work. About project SlidePlayer Terms of Service.

A belt dynamometer is introduced to measure directly the difference between the tensions of the belt, while it is running. The pinion revolves freely on yrain lever. A helical spring is provided between the nut and the upper block to adjust the pressure on the pulley to control its speed.

Dynamometers PRESENTATION ON: Guided by: Prepared by: Nirmal Kushwaha

A bright electric lamp L, behind the disc A, is fixed on the bearing of the shaft. Due to this, the light does not reach to the eye piece as shown in Figure c. It consists of two discs A and B fixed on a shaft at a convenient distance apart Ttrain disc has a small radial slot and these two slots are in the same line when no power is transmitted and there is no torque on the shaft.

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In the absorption dynamometers, the entire energy or power produced by the engine is absorbed by the friction resistances of the brake and is transformed into heat, during the process of measurement.

Feedback Privacy Policy Feedback. The frame is pivoted at E and its movement is controlled by two stops S,S.

Dynamometers PRESENTATION ON: Guided by: Prepared by: Nirmal Kushwaha – ppt video online download

If the eye piece is now moved round by an amount equal to the lag of disc B, then the slot in the eye piece will be opposite to the slot in disc B as shown in Figure d and hence the eye piece receives flash of light. The spur gear is keyed to the engine shaft and rotates in anticlockwise direction. If you wish to download it, please recommend it to your friends in any social system. At every revolution of the shaft, a flash of light is projected through the epicyclc in the disc A An eye piece E is fitted behind the disc B dyhamometer the shaft bearing and is capable of slight circumferential adjustment.

Absorption dynamometers, and 2. The pinion or epiyclic intermediate gear meshes with both the spur and annular gears. Nirmal Kushwaha Mechanical Deptt.