HEAT TRANSFER IN NATURAL CONVECTION HEAT TRANSFER LAB MODEL NO:CLHT-27, HEAT TRANSFER IN FORCED CONVECTION MAKE :CREATIVE LAB MODEL NO: CLHT-26, VERTICAL & HORIZONTAL CONDENSER MAKE : CREATIVE LAB MODEL NO:CLHT-23, DROPWISE & FILMWISE CONDENSATION APPARATUS MAKE : CREATIVE LAB MODEL NO: CLHT-22, THERMAL CONDUCTIVITY OF METAL ROD MAKE : CREATIVE LAB MODEL NO: CLHT-21, manufacturers suppliers in India

THERMAL CONDUCTIVITY OF METAL ROD MAKE : CREATIVE LAB MODEL NO: CLHT-21

DESCRIPTION:

The experimental set up consists of metal bar, one end of which is heated by an electric heater while the other end of the bar projects inside the cooling water jacket. A cylindrical shell filled with insulating material surrounds the middle portion of the bar. The temperature of the bar is measured at different sections. Heat Input to the heater is given through variac. By varying the heat input rates, data can be obtained. Water at constant rate is circulated through the jacket and its flow rate and temperature rise is noted.

EXPERIMENTATION:

To plot the temperature distribution along the length of Bar.

To determine the thermal conductivity of given bar at various temperatures.

UTILITIES REQUIRED:

Continuous Water supply @2LPM at 0.5 Bar

Floor Drain.

Electricity Supply: 1 Phase, 220 V AC, 2 Amp.

Table for set-up support.

TECHNICAL DETAILS:

Metal Bar

Material Copper

Length 400 mm (approx.)

Diameter 25 mm

Insulating shell

Length 250 mm

Diameter 200 mm

Cooling Water Jacket

Diameter 100 mm

Length 75 mm

Diameter 100 mm

Heater Nichrome Wire.

Water Flow measurement By Measuring cylinder

Control panel comprising of

Digital Voltmeter 0-300 Volt. (Nutronics Makes)

Variac 0-230 V, 2 Amp. (Nutronics Makes)

Digital Temp. Indicator 0-199.90C, with multi-channel switch, (Nutronics Makes)

Temperature Sensors RTD PT-100 type.

With standard make on/off switch, Mains Indicator etc.

Instruction Manual An ENGLISH instruction manual will be provided along with the Apparatus

The whole setup is mounted on a powder coated base plate.

DROPWISE & FILMWISE CONDENSATION APPARATUS MAKE : CREATIVE LAB MODEL NO: CLHT-22

DESCRIPTION:

Condensation is a phase change heat transfer process occurring in many industrial applications, such as in steam power plants, refrigeration plants etc. Thus this is one of the important heat transfer process as present in mechanical and chemical engineering applications. The condensation of vapour on a surface is of two types: 1. Drop wise Condensation, 2. Film wise Condensation. This setup is designed for determining heat transfer co-efficient of two types of condensation and for visualization of these processes. It consists of a vertical frame. Condensation tubes are fitted inside compact glass cylinder. Steam generator is fitted at the backside of the cylinder. Steam comes directly from generator to the cylinder. Valves are fitted to control flow rate of water in individual tubes. Digital Temperature Indicator monitors the temperatures. Pressure gauge and Rotameter can observe steam pressure and cold water flow rates respectively. A Digital temperature Controller is provided for controlling the temperature of Steam. Water level indicator is provided in steam generator. Condensate is measured by a measuring cylinder.

EXPERIMENTATION:

To study the Film wise & Drop wise condensation of steam on a vertical surface.

Visualization of condensation process in drop wise as well as film wise condition.

UTILITIES REQUIRED

Water supply 5 lit/min (approx.)

Electricity Supply: 1 Phase, 220 V AC, 1.5 kW.

Table for set-up support.

TECHNICAL DETAILS

Steam Generator 8 Ltrs. (Approx.) made of Stainless steel with 1.5

kW heater. Insulated with ceramic wool and cladded by aluminum foil.

Pressure Gauge Bourdon type.

Copper tubes (2 Nos.) One with natural finish and other nickel polished.

Diameter: 19 mm (Approx.)

Length: 170 mm (Approx.)

Water Flow measurement Rotameter.

Condensate Measurement Measuring Cylinder & Stopwatch

Control valves one each for Steam, Cooling water & Drain.

Control panel comprising of :

Digital Temp. Controller 0- 199.90C (For Steam Generator)

Digital Temp. Indicator 0-199.90C, with multi-channel switch.

Temperature Sensors RTD PT-100 type.

With Standard make On/Off switch, Mains Indicator etc. Instruction Manual : An ENGLISH instruction manual will be provided along with the Apparatus

The whole set-up is well designed and arranged on a Powder Coated structure.

VERTICAL & HORIZONTAL CONDENSER MAKE : CREATIVE LAB MODEL NO:CLHT-23

DESCRIPTION:

Shell & Tube type condensers are widely used in various industries. The present set-up offers a comparative study of Vertical & Horizontal condenser, which can be operated one at a time. Condenser consists of Stainless steel shell, with stainless steel tubes. Cold fluid flows through inside the tubes and steam flows through the shell. Valves are provided to control the flow rates of cold fluids. Flow rate of cold water is measured using a Rota meter. Shell is fitted with steam traps from where condensate is collected in measuring cylinder. Temperature of inlet and outlet of both hot & cold fluids are measured by temperature sensors.

EXPERIMENTATION:

To determine the overall Heat Transfer Co-efficient and film co-efficient

for vertical and horizontal condenser.

UTILITIES REQUIRED

Water supply 20 lit/min (approx.) and drain.

Electricity Supply : 1 Phase, 220 V AC, 4 kW.

Floor area of 1.5 m x 1m.

TECHNICAL DETAILS

System Steam to Water

Condensers 2 Nos. (Vertical & Horizontal) Insulated by Ceramic wool and cladding by aluminium foil.

Shell Material stainless steel. Inner Dia 100 mm, Length

500 mm (Approx.)

Tubes OD 12.7mm, Length of tubes 500mm

Condensate Measurement Measuring Cylinder & Stopwatch

Water Flow Measurement Rotameter

Steam Generator Made of stainless steel fitted with level indicator,

Pressure gauge, safety valve, drain and insulated with ceramic wool & cladding with Aluminium foil.

Heater Nichrome wire heater.

Control panel comprising of :

Digital Temp. Controller 0199.90C (For Steam Generator)

Digital Temp. Indicator 0-199.90C, with multi-channel switch

Temperature sensors RTD PT-100 type.

With Standard make On/Off switch, Mains Indicator etc.

Instruction Manual: An ENGLISH instruction manual will be provided along with the Apparatus

A good quality painted rigid MS Structure is provided to support all the parts.

HEAT TRANSFER IN FORCED CONVECTION MAKE :CREATIVE LAB MODEL NO: CLHT-26

DESCRIPTION:

The apparatus consists of blower unit fitted with the test pipe. Nichrome Wire heater surrounds the test section. Four Temperature Sensors are embedded on the test section, two placed in the air stream at the entrance and exit of the test section to measure the inlet and outlet 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. Constant heat flux is given to pipe by an electric heater through a variac and measured by Digital Voltmeter and Digital Ammeter.

EXPERIMENTATION:

To determine average surface heat transfer coefficient for a pipe by forced convection.

Comparison of heat transfer coefficient for different airflow rates and heat flow rates.

To plot surface temperature distribution along the length of pipe.

UTILITIES REQUIRED:

Electricity Supply: 1 Phase, 220 V AC, 10 Amp.

Floor area of 1.2 m x 0.5 m.

TECHNICAL DETAILS:

Test section : Horizontal, externally heated

Diameter: 28 mm (approx.)

Length: 400 mm (approx.)

Blower: FHP of Standard makes.

Heater: Nichrome Wire.

Air Flow measurement: Orifice meter & U-Tube Manometer.

Control panel comprising of:

Digital Voltmeter: 0-300 Volt.

Digital Ammeter: 0-2 Amp.

Variac: 0-230 V, 2 Amps

Digital Temp. Indicator: 0-3000C, with multi-channel switch.

Temperature Sensors: RTD PT-100 type.

With standard make on off switch, Mains Indicator etc.

Instruction Manual : An ENGLISH instruction manual will be provided along with the Apparatus

A good quality painted rigid MS Structure is provided to support all the parts.

HEAT TRANSFER IN NATURAL CONVECTION HEAT TRANSFER LAB MODEL NO:CLHT-27

DESCRIPTION:

The setup consists of a brass tube fitted in a rectangular duct in a vertical position. The duct is open at the top and bottom, and forms an enclosure that serves the purpose of undisturbed surrounding. One side of the duct is fitted with a transparent acrylic window for visualization. An electric heating element is kept in the vertical tube that in turns heats the tube surface. The heat is lost from the tube to the surrounding air by natural convection. The temperature of the vertical tube is measure by temperature sensors and displayed by a Digital Temperature Indicator with multi-channel switch. The heat input to the heater is measured by a Digital Ammeter and a Digital Voltmeter and is varied by a variac. The tube surface is polished to minimize the radiation losses.

EXPERIMENTATION:

To determine average heat transfer coefficient under natural convection.

UTILITIES REQUIRED

Electricity Supply: 1 Phase, 220 V AC, 2 Amp.

Table for set-up support.

TECHNICAL DETAILS

Test Section

Diameter: 38 mm (approx).

Length: 500 mm (approx).

Heater: Nichrome Wire.

Control panel comprising of :

Digital Voltmeter: 0-300 Volt.

Digital Ammeter: 0-2 Amp.

Variac: 0-230 V, 2 Amp.

Digital Temp. Indicator: 0-2000C, with multi-channel switch

Temperature Sensors: RTD PT-100 type. With standard make On/Off switch, Mains Indicator etc.

Instruction Manual : An ENGLISH instruction manual will be provided along with the Apparatus

Powder coated duct of MS to accommodate the assembly with front window of Acrylic.

The whole set-up is well designed and arranged on a powder-coated structure

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HEAT TRANSFER IN NATURAL CONVECTION HEAT TRANSFER LAB MODEL NO:CLHT-27 HEAT TRANSFER IN FORCED CONVECTION MAKE :CREATIVE LAB MODEL NO: CLHT-26 VERTICAL & HORIZONTAL CONDENSER MAKE : CREATIVE LAB MODEL NO:CLHT-23 DROPWISE & FILMWISE CONDENSATION APPARATUS MAKE : CREATIVE LAB MODEL NO: CLHT-22 THERMAL CONDUCTIVITY OF METAL ROD MAKE : CREATIVE LAB MODEL NO: CLHT-21