Reynolds Experiment

Objective: Objective of the experiment is to determine the type of flow & critical Reynolds number range at the transition from laminar to turbulent, in pipe flow.  Theory: Apparatus used: Reynolds experiment setup. Stop watch & collecting tank. Colored dye(Potassium Permagnet) Procedure: Observation :  Make a discussion on your observation. Take a picture of the … Read more

Determination of Coefficient of Discharge of a Rectangular & Triangular sharp crested weir

Objective: Objective of the experiment is to determine the (i) Coefficient of discharge of a triangular & a rectangular sharp crested weir. (ii) Calibration curve of height of upstream free surface above the crest of the weir & actual flow rate & (iii) Variation of coefficient of discharge with height of upstream free surface above … Read more

Determination of Coefficient of Discharge of a Rectangular & Triangular sharp crested weir

Objective: Objective of the experiment is to determine the (i) Coefficient of discharge of a Venturi meter (ii) Calibration curve of meter between manometric head difference & actual flow rate & (iii) Variation of Cd with Reynolds number.  Introduction: Flow meters are used in the industry to measure the volumetric flow rate of fluids. Differential … Read more

Speed control of DC Shunt Motor.

Objective: To study the speed control of a DC shunt motor by the following methods: Armature voltage control: Variations of speed with armature voltage control at constant field current. Field Control: Variation of speed with variation of field current at constant voltage. Theory:  Fundamental Relationship:                                               DC motor voltage equation is given by- V=IaRa+Eb         …………………(1) … Read more

Calibration of DC Ammeter and DC Voltmeter

Objectives: To compare the readings of a given ammeter and voltmeter with the corresponding calculated values of current and voltage from the observations of a dc potentiometer. To calculate the percentage error for different observed values of current and voltage. Theory: Instrument calibration is one of the primary processes used to maintain instrument accuracy. Calibration … Read more

Determination of the magnetization characteristics (O.C.C) of a DC shunt Generator

Objectives: To perform no load test on a dc shunt generator. To obtain the magnetization characteristics at rated speed under separate excitation. To obtain the Critical Field Resistance. Theory: A dc shunt generator is a machine which converts mechanical energy to electrical energy. This conversion of energy is based on the principle of the production … Read more

error: Content is protected !!