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Thermal Engineering- II

by Anna Superkings
Type: PracticalInstitute: ANNA UNIVERISTY Specialization: Mechanical EngineeringViews: 10Uploaded: 18 days agoAdd to Favourite

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Anna Superkings
Anna Superkings
Department of Mechanical Engineering ME 6512 – THERMAL ENGINEERING LABOURATORY - II [MANUAL CUM OBSERVATION] Name : ……………………………………………...... Reg.No : ……………………………………………...... Branch : ……………………………………………...... Year & Semester : ……………………………………………......
Department of Mechanical Engineering ME 6512 – THERMAL ENGINEERING LABOURATORY - II [MANUAL CUM OBSERVATION] III – Year / V – Semester 2
VI Semester Thermal Engineering Lab – II (Manual Cum Observation) Table of Contents Sl.No. Date Name of the Experiment Mark Staff Signature 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. Completed date: Staff - in - charge Average Mark: 3
VI Semester Thermal Engineering Lab – II (Manual Cum Observation) Ex: No: Date: HEAT TRANSFER IN FORCED CONVECTION Aim: To determine the heat transfer co-efficient by using forced convection Apparatus. Apparatus Required: (i) Experimental setup (ii) Thermocouples (iii) U – tube manometer Theory: Apparatus consist of blower unit fitted with the test pipe. The test section is surrounded by Nichrome band heater. Four thermocouples are embedded on the test section and two thermocouples are placed in the air stream at the entrance and exit of the test section to measure the air temperature. Test pipe is connected to the delivery side of the blower along with the orifice to measure flow of air through the pipe. Input to the heater is given through a dimmerstat and measured by meters. It is to be noted that only a part of the total heat supplied is utilized in heating the air. A temperature indicator with cold junction compensation is provided to measure temperatures of pipe wall at various points in the test section. Air flow is measured with the help of orifice meter and the water manometer fitted on the board. 4

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