Heat Convection And Radiator Appartus Vocational Training Equipment Heat Transfer Training Equipment
TB230324S04 Heat Convection And Radiator Appartus Vocational Training Equipment Heat Transfer Training Equipment for college, vocational training center, university.
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TB230324S04 Heat Convection And Radiator Appartus Vocational Training Equipment Heat Transfer Training Equipment
SELF CONTAINED BENCH TOP APPARATUS SUITABLE TO ALLOW STUDENTS TO INVESTIGATE HEAT TRANSFER BY NATURAL CONVECTION AND RADIATION. THE STUDENTS SHALL BE ABLE TO FIND THE EMISSIVITY OF A SURFACE AND VERIFY THE STEFFAN-BOLTZMAN EQUATION.
THE EQUIPMENT SHALL CONSISTS OF A PRESSURE VESSEL, FACILITY TO COMPRESS THE VESSEL TO 1bar(GAUGE) OR EVACUATED DOWN TO 5Pa (ABSOLUTE),THERMOCUPLES,PRESSURE TRANSDUCERS AND A DIGITAL DISPLAY TO INDICATE TEMPERATURE,PRESSURES AND POWER TO THE HEATING ELEMENT.
A SMALL HEATED ELEMENT (20W) WHICH HAS A BLACK MATT SURFACE HANGS IN THE CENTER OF THE PRESSURE VESSEL. A THERMOCUPLE IS ATTACHED TO THE ELEMENT TO MEASURE THE TEMPERATURE. A THERMOCOUPLE IS FITTED TO THE VESSEL WALL TO MEASURE THE TEMPERATURE IN THE VESSEL.
THE VESSEL SHALL BE SUBJECTED TO POSITIVE OR NEGATIVE PRESSURE. TWO PRESSURE SENSORS WITH SUITABLE MEASURING RANGES SHALL BE AVAILABLE FOR PRESSURE MEASUREMENT.
POWER: 250W 230V
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• Nominal diameters: – PVC, PE, Cu: DN15 – Cu: DN8 – Steel: 1/2″
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The panel contains a pipe system with four radiators. Each radiator has an air bleed, a thermostatic valve and lockshield valve.
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• 2 cooling water connections DN15
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[1] examination and comparison of various heat exchanger types
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[3] finned heat exchanger with fan
[4] operating mode (parallel flow or counter flow) selectable via valves
[5] flow rates adjustable via valves
[6] electromagnetic flow meter
[7] digital displays for temperature, pressure differences and flow rate
[8] hot & cold water benches available for
independent operation
[9] water/steam heat exchanger unit and electrical steam
Generator available for further experiments
[10] software for data acquisition via USB under Windows Vista or
Windows 7
Technical Data
Plate heat exchanger, 10 plates
– heat transfer surface area: approx. 0,26m²
– capacity: 15kW
Tubular heat exchanger
– heat transfer surface area: 0,1m²
– heat transfer surface area (coil): 0,17m²
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– capacity: 13kW
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– heat transfer surface area: approx. 2,8m²
– max. flow rate fan: 780m³/h
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– heat transfer surface area (coil): 0,17m²
Measuring ranges
– differential pressure air: 0…10mbar
– differential pressure water: 0…1000mbar
– flow rate: 0…3m³/h
– temperature: 0…100°C
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[1] investigation of the pipe friction in laminar or turbulent flow on Hydraulic Bench
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[5] twin tube manometer for measurements in laminar flow
[6] dial-gauge manometer for measurements in turbulent flow
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[8] water supply using base module ( Hydraulic Bench) or via laboratory supply
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* Length of test pipe : 524mm
* Needle Valve included to regulate flow rate
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Smooth-bore pipes of various diameters Size – 6mm , 10mm, 17mm
Overall dimensions:
* Height : 1.05m form the ground level
* Width : 2.25m
* Depth : 0.43m
Test Pipe Diameters:
The Pipe network should have 90° Bends, 90° elbow,90°T, 45°elbow & Y.
Sudden enlargement
Sudden contraction
Ball Valve
Gate Valve
Globe valve
Inline strainer
Venturi made of clear acrylic
orifice palte made of clear acrylic
Pitot Static tube section made of clear acrylic
EXPERIMENTAL CAPABILITIES
Laminar to turbulent flow regimes in pipes
Energy losses in pipe fittings and bends
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Flow measurement using orifice plate
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Learning Objectives / Experiments
– flow measurement
– differential pressure measurement
– effect of flow and surface roughness
– effect of the flow velocity
– effect of changes in pipe direction
Specification
[1] investigation of the pressure loss at pipe elements with different changes in pipe direction and materials
[2] pipe elements are commercially standard components in heating and sanitary engineering
[3] clear panel mounted on a sturdy, movable frame
[4] simply selection of the measuring sections via hose connection with quick-release couplings
[5] flow can be adjusted via valves
[6] flow measurement using rotameter
[7] differential pressure measurement via differential pressure meter with display
Technical Data
Measuring sections: 2300mm
– pipe section 1: steel, diameter: 1/2″, 90° pipe angle
– pipe section 2: steel, diameter: 1/2″, 90° pipe bend
– pipe section 3: copper, diameter: 18x1mm,90° pipe angle
– pipe section 4: copper, diameter: 18x1mm,90° pipe bend
Differential pressure meter
Measuring ranges- flow rate: 150…1600L/h- differential pressure: -350mbar…350mbar
Dimensions and Weight LxWxH: 1650x700x1850mmWeight: approx. 100kg
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“Specification
Function and operating behaviors of a modern heating system with digital heating controller
• Four-way mixer and three-way mixer
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• 2 circulating pumps, 1 domestic water pump
• 4 different radiators and additional plate heat exchanger with shower system as domestic water consumer
• Colored pipes indicate heating feed and return
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• Max. Feed temperature: 95°C,
• Water tank capacity: 16 ltr
• Circulating pump 3 stages: 60W,
• Max. Flow rate: 60ltr/min,
• Max. Head: 4m
• Domestic water pump: 20W, max. 640ltr/h, max. 0.14bar
• Plate heat exchanger: 3kW, 10 plates
• Measuring ranges: temperature: 3x 20…120°C / 2x 0…120°C / 2x 0…100°C / 4x 0…80°C, pressure: 8x 0…2.5bar, flow rate: 100…1000ltr/h, water meter: 2.5m³/h
“• Manual with theory and experiments
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b. Compressor : 1HP
c. Condenser : Air-cooled type
d. Evaporator: pin, Tube air-cooled type
e. Evaporator
f. Expansion Valve : manual type
g. Liquid receiver : 1/2HP
h. Accumulator : 1HP
i. Electronic valve : 3/8” nut clamp type
j. Manometer
k. Fitting nipple
l. Sight Glass
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[1] investigation of the pressure losses at contractions, pipe angles, pipe bends, valves and fittings and pipe elements of different diameter
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[5] integrated bleed valve on manometer and in the pipe section
[6] flow measurement using rotameter
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Technical Data
Pump – 3 stages – max. flow rate: 4,5m³/h – max. head: 6m
Tank: approx. 5L
Measuring range – flow rate: 100…1000L/h – pressure: 1600mmWC
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230V, 50Hz, 1 phase