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THERMODYNAMICS LAB MANUAL PDF

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This manual is prepared for the class of ETME Thermodynamics and Heat The bomb for this laboratory experiment can be identified by its head number. laboratory and one for the Vapour-compression Refrigeration laboratory. Figures from this laboratory manual can be used but the source must be cited. 5. Thermodynamics lab manual cum observation note book.


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Thermodynamics Lab Manual - Free download as PDF File .pdf), Text File .txt) or read online for free. This material is for the students of Engineering in The. the lab report. Forms are available at cittadelmonte.info cittadelmonte.info Results: Answer all the questions posed in the laboratory manual. Mission and vision of the Department. Vision of Mechanical Department. To establish the state of the art learning center in Mechanical Engineering which will .

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WordPress Shortcode. Ramesh B , Associate Professor at St. Joseph's Institute of Technology, Chennai Follow. Published in: Full Name Comment goes here. Are you sure you want to Yes No. Rajiv Pandey at Rgpv. No Downloads.

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Thermodynamics Lab Manual

Thermodynamics lab manual 1. Ramesh, M.

Port timing diagram for two stroke petrol engine Date: To determine the period of port opening and closing and to draw the port timing diagram for the two stroke petrol engine. Apparatus required: Continue the rotation and mark the position at which it closes. Determine the period of port opening and closing at rated speed.

Also draw the port timing diagram.

Events Positionw. The port timing diagram showing the relative crank angle corresponding to the opening and closing of inlet, transfer and exhaust port is drawn. For rpm, 1. Events Position w. Valve timing diagram for four stroke diesel engine Date: To determine the period of valve opening and closing and to draw the timing diagram for four stroke diesel engine.

A cut model of four stroke diesel engine showing different parts of the engine viz. A marking corresponding to TDC is provided on the flywheel. An indicator is provided so that markings can be made against it on the flywheel. Ascertain correct direction of rotation of the flywheel by observing the correct sequence of opening and closing of the valves. The valve timing diagram showing the relative crank angle corresponding to the opening and closing of inlet and exhaust valve is drawn.

Thermodynamics Lab Manual | Heat Transfer | Heat Pump

Type of expansion: Performance test on vapour compression refrigeration system Date: To conduct a performance test on the given vapour compression refrigeration system and to determine the co-efficient of performance [Theoretical, Carnot and Actual COPs]. In the vapour compression refrigeration test rig, the evaporator coils are kept in a cubical vessel into which water can be poured. The compressor is of hermetically sealed type.

The condenser is of air cooled type with plate fins. A fan is used to accelerate the rate of heat rejection from the condenser coils.

Expansion can be carried out either through capillary tube or solenoid valve.

An energy meter is provided to measure the actual work input to the compressor. A voltmeter and an ammeter are also provided for the same purpose. Pressure gauges are provided to measure the pressures at salient points. Thermometer pockets are provided to find the temperatures between each components.

A pressure limiting switch is available to cut off the power supply when the evaporator pressure falls below a preset value. The performance test was conducted on the given vapour compression refrigeration system and the COPs were calculated. Performance test on single cylinder petrol engine Date: To conduct a performance test on the given petrol engine and to draw the following characteristic curves: Single cylinder four stroke petrol engine. Rated power: The petrol engine is of single cylinder four stroke type.

The engine shaft is coupled to a brake drum for mechanical loading. This is quite normal and will disappear during normal running.

As the compressor is designed specifically for heat pump uses a copper heat transfer coil is located at the base of the compressor with in the oil reservoir. Sub-cooled liquid HFCa at high pressure passes through a panel mounted flow meter to a thermostatically controlled expansion valve. On passing through the valve the pressure is reduced to that of the evaporator and the two phase mixture of the liquid and vapor begins to evaporate within the selected evaporator.

Control of the heat pump is by variation of the condensing temperature by the source air or water temperature and flow rate, and by variation of condensing temperature by the flow rate of the condenser water. The range of the source temperature can be extended directing warmed air from a fan heater at the air intake or by warmed or chilled water to the source water inlet.

Relevant system temperature can be measured by thermocouples and a panel mounted digital temperature indicator.

Condenser and evaporator pressure are indicated by panel mounted pressure gauges.

Water and refrigerant flow rates are indicated by panel mounted variable area flow meters. The electrical input to the compressor motor is indicated by the panel mounted analog meter.

Purpose; The purpose of this experiment is 1 To determine the power input, power output as well coefficient of performance of heat pump. Experimental procedure: Turn on the water supply to the unit turn on the main switch.

Select the air evaporator by pressing the evaporator change over switch down. Allow the unit time for all system parameters to reach a stable condition and fill up the observation sheet. Repeat the above procedure for water evaporator by switching the change over switch up condition and fill up the observation sheet. Observation sheet: For source of low grade heat: Compressor electrical power input W Watts Cooling water inlet temperature t Compressor electrical power input W. Watts Cooling water inlet temperature t Relevant Eqations: Experiment procedure: Turn the water supply to the unit turn on the main switch.

Select the water evaporator by pressing the evaporator change over switch up. Allow the unit time for all of the system parameters to reach a stable condition and fill up the observation sheet.

Result and Analysis: Draw ideal as well as practical vapor compression cycle in the P-h diagram and compare their energy input, desired output as well as COP. This material is for the students of Engineering in The Trivuwan University.

Flag for inappropriate content. Related titles. Jump to Page. Search inside document. Type of Thermometers Freezing temperature of pure water Boiling temperature of pure water in degree centigrade 8 Repeat the above reading in ice-water mixture and boiling water and hot water and hat air blower with different types of thermometer and record the response time required in the table: Type of Time Thermometers seconds Ice-water mixture Boiling water hot air On the completion of this experiment, turn the regulator fully anti-clockwise and turn the switch off.

To investigate Fouriers law of linear conduction To investigate the temperature profile and heat transfer in radial direction of a cylinder To investigate the effect of change in cross-sectional area on the temperature profile Theory: Mathematically it can be represented by the equation: R Equipment Description: Particulars units Compressor electrical power input W Watts Cooling water inlet temperature t Water S.

Particulars units Compressor electrical power input W. Fiena Azmi. Daniel Razak. Pearl Loi. Jasmine Lau.

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