Air Contioning Test Rig

Specifications:	
	Study				  :    To study effect of heat transfer co efficient 
	Purpose			  	  :     The Unit Complete Enables to Determination Of Cop
	Compressor details Type	  :	Closed type
	Cylinder				  :	Single
	Discharge			  :	0-7 LPM
	Refrigerant			  :	Freon / R 122a
	Condenser details 		  :	 Air Cooled
	No of passes			  :	Single
	Outer tube dia			  :	6mm or 1/4 "
	Pressure drop			  :	0.5 kgf / cm2
	Tube material			  :	Copper
	Flow Meter			  :	Liquid Rota meter  ( 0 - 5LPM)
	Fan					  :	Two Nos.230 volts 2 Amps( for Condenser and Evaporators)
	Energy Meter			  :	Single phase 230 volts, Volt Meter and Amp 

Emissivity Measurement Apparatus

Specifications:

• Consists of the MS plates of dimension 150mm dia with ceramic base insulation. Separate heaters are provided for the black and gray bodies.
• Individual Temperature controllers to conduct the experiments at different temperatures.
• Thermocouples are provided on the surface of the bodies and in the enclosure at suitable positions.
• Digital temperature indicator with channel selector is provided for the temperature indication.
• Separate Digital Voltmeters and Ammeters for Power Measurement of two bodies individually.
• Enclosure made of clear Acrylic to avoid disturbances.
• Also consists of other instrumentation and Accessories required for the panel.

Fludized Bed Water Cooling Tower

Specification
	Centrifugal Blower		: 	2 HP
	Water Circulating Pump	: 	1 HP
	Heater Assembly		: 	Heater with 2 Stage, 3kW with thermostat Switch
	Cooling Tower Size		: 	300 mm x 300 mm x 1000 mm
	Cooling Material		: 	Plastic Ball
	Rota Meter			: 	1.1 - 11 LPM to Measure Inlet Water Flow
	Induced Draught		: 	Axial Flow Fan
	Orifice Meter			: 	To Measure Air Flow with Suitable 'U' Tube Manometer
	Minimum Head		: 	30 m
	Minimum Flow Rate		: 	30 L/min
	Thermocouples		: 	For Measuring Air and Water Temperatures
	Control Panel			: 	12 Channel Digital Temperature Indicator Switches for Pump, Axial Fan, 
							Heater etc. Main on/off Switch for Blower

Heat Exchanger

	Specifications:
	Consists of the Concentric tubes,
		Inner 	:  	copper of ID 20mm
		Outer 	:  	stainless steel of ID 38mm

• Pipe line is provided heater* placed inside it to generate hot water .Geysers of Standard make with ISO certified will be provided for water.
• Temperature controller to conduct the experiments at different temperatures
• Thermocouples are provided on the surface of the Tube at suitable positions and in the line of air flow for measurement of temperatures.
• Digital temperature indicator with channel selector Is provided for the temperature indication.
• Digital Voltmeter and Ammeter for Power measurement.
• Insulation is provided with mica sheet and asbets rope for effective heat transfer inside the tube.
• Mechanism to change the direction of flow of water i,e., in the direction hot water/air or opposite to it.
• Rotameter for direct flow measurement of water.

Heat Transfer Forced Convection Apparatus

• MS tube with band heaters on the surface of the tube.
• Temperature controller to conduct the experiments at different temperatures
• Thermocouples (6 Nos.) are provided on the surface of the Tube at suitable positions and in the line of airflow for measurement of temperatures.
• Digital temperature indicator with channel selector is provided for the temperature indication.
• Digital Voltmeter and Ammeter for Power measurement.
• Blower (industrial) to blow the air inside heated tube.
• Glass manometer with orifice assemble for measurement of airflow across the tube.
• Insulation is provided for effective heat transfer inside the tube.
• Also consists of other instrumentation and accessories required for the panel.

Heat Transfer Through Pin-Fin Apparatus

• Consists of the Copper pin (12.5 x 150mm) with the nichrome heater.
• The pin is placed in the duct made of MS 2mm sheet of suitable size.
• Blower (industrial) to conducting the experiment in forced convection method.
• Glass manometer with orifice assemble for measurement of airflow across the tube.
• Insulation is provided for the heater.
• Thermocouples are provided at the suitable Position on the pin for temperature measurement.
• Digital temperature indicator with channel selector is provided for the temperature indication.
• Temperature controller to conduct the experiments at different temperatures.
• Digital Voltmeter and Ammeter for the power measurement.
• Also consists of other instrumentation and accessories required for the panel.

Shell and Tube Heat Exchanger

Shell 
	Material   				:	Mild steel
	Inner diameter			:	208 mm
	Thickness 			:	6 mm
	Length      			:	500 mm 25% cut baffles at 100 mm distance -4 nos.

Tubes		
	Material				:	copper
	Inner diameter			:	13 mm
	Outer diameter		:	16 mm
	Length of tubes		:   	500 mm
	No. of Tubes			:	32

Measuring Tank
	Size					:	500*400*300 mm
	Material				:	Stainless steel
	Geysers			  	:	230 V A.C.3kW -  2 nos
	Temperature Measurement :	8 channel Digital Temperature Indicator with K type thermocouple

Surface Emissivity Measurement Apparatus

• Consists of the MS plates of dimension 150mm dia with ceramic base insulation. Separate heaters are provided for the black and gray bodies.
• Individual Temperature controllers to conduct the experiments at different temperatures.
• Thermocouples are provided on the surface of the bodies and in the enclosure at suitable positions.
• Digital temperature indicator with channel selector is provided for the temperature indication.
• Separate Digital Voltmeters and Ammeters for Power Measurement of two bodies individually.
• Enclosure made of clear Acrylic to avoid disturbances.
• Also consists of other instrumentation and Accessories required for the panel.

Thermal Conductivity of Insulating Powder Apparatus

The apparatus consists of a copper sphere in which a mica heater is fitted. The sphere is surrounded by another bigger sphere and between the two spheres, the test insulating powder is filled. Heat of the heater radically flows outwards in all directions through powder. The temperatures of spheres i.e. temperatures across the powder are measured. By knowing the input to the heater conductivity of the powder can be determined. The unit is supplied filled with asbestos powder, but any other can be tested in the unit.

• Inner sphere - Copper sphere, 100 mm dia, halved construction with mica heater inside.
• Outer sphere - Copper sphere, 200 mm dia, halved construction.
• Thermocouples on outer surface of inner sphere and inner surface of outer sphere.
• Dimmer - 2 amp. Capacity to control input to heater.
• A voltmeter and Ammeter to measure input to heater.
• Multi channel digital temperature indicator to measure temperatures at various points.

Thermal Conductivity of Metal Bar Apparatus

This Trainer Used to Measure the Thermal Conductivity of Metal Rod.
Specification

• It consists of Heater, Voltmeter, Ammeter, Dimmerstat, Thermocouples, Metel Rod, Panel with extra provision
• Heater is used to Heat the Metal Rod in different Input.
• Voltmeter, Ammeter is used to Measure the Heater Input.
• Dimmerstat is used to is Regulating the heater input.
• Thermocouples is used to measure the temperature of Metal Rod in different points.

Heat Transfer Through Composite Walls Apparatus

Slab assembly arranged symmetrically on both sides of heater.
	Slab Material             	:           Slab Size
	Cast Iron                    	:           250 mm dia. & 20mm thick.
	Bakelite                      	:           250 mm dia. & 15 mm thick.
	Press Wood                	:           250 mm dia. & 12 mm thick.
	Heater                        	:           Nichrome wire.
	Digital Voltmeter       	:           0-300 Volts.
	Digital Ammeter          	:           0-2 Amp.
	Variac                         	:           0-230 V, 2Amp.
	Digital Temp. Indicator	:           0-2000C, with multi-channel switch
	Temp  Sensors            	:           RTD PT-100 type.
	Instruction Manual     	:  	    An ENGLISH instruction manual will be 

Thermal Conductivity of Guarded Plate Apparatus

Specifications:

• Hot plate assembly with heater.
• Cold plate assembly with water recirculation System
• Regulator to maintain tube at constant Temperature
• Insulated with glass wool.
• Thermocouples are provided at the suitable Positions for temperature measurement.
• Digital temperature indicator with channel selector is provided for the temperature indication.
• Digital Voltmeter and Ammeter for Power measurement.
• Also consists of other instrumentation and Accessories required for the panel.

Thermal Conductivity of Legged Pipe Apparatus

• Consists of a single copper pipe made into 4 divisions.
• 3 divisions of the copper pipe are insulated, with each division provided with a different thickness of insulation, i.e., 25, 40 & 60mm.
• The 4th division is left bare for comparison.
• Regulator to maintain pipe at constant heat flux.
• Heater is provided inside the pipe throughout its length.
• Thermocouples are provided to measure the temperature.
• Digital Temperature indicator with channel selector.
• Digital Voltmeter and Ammeter for Power measurement.
• Also consists of other instrumentation and Accessories required for the panel.