- Description
- Inquiry
H112E EXTENDED SURFACE HEAT TRANSFER MODULE Educational Equipment Thermal Laboratory Equipment
A small scale bench top accessory designed to measure the temperature profile and heat transfer along a horizontal extended surface (cylindrical pin). A small diameter uniform rod is heated at one end and heat flowing along the rod by conduction is lost to the surroundings by a combination of natural convection and radiation. The resulting heat transfer gives a temperature profile that may be investigated and predicted by conventional analysis.
The apparatus consists of a solid cylindrical matt black brass bar supported in a frame and heated at one end. At intervals from the heated end are eight thermocouples recording the surface temperature so that a temperature profile along the bar may be developed. An additional thermocouple records the ambient temperature.
The heater is located inside an insulated cylinder at one end of the apparatus. The heater input power is controlled through the variable 240v ac supply from the Heat Transfer Service Unit H112 and is designed to operate at up to 20 Watts.
All instrumentation and power supplies plug directly into the Heat Transfer Service Unit H112 and readings are displayed on digital panel meters.
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Description
The panel contains a pipe system with four radiators. Each radiator has an air bleed, a thermostatic valve and lockshield valve.
Rotameters indicate the flow rate through each individual radiator and for the entire system. Connections for cooling water make it possible to dissipate the heat supplied by the hot water. All water connections are made using quick-release couplings.
Training panel on heating systems and plumbing
•4 radiators with thermostatic valve, air bleed and adjustable lock shield valve
• 5 Rota meters
• 2 water connections for boiler DN15
• 2 cooling water connections DN15
• Water connections made using quick action hose couplings
• Hot and cold water supply
•Rota meters: 1x 1000ltr/h 4x 300ltr/h
• Radiator: plate heat exchanger with 10 plates, capacity: 3kW
Brand: Shouldshine
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investigation of the pressure losses of flow through pipes
– measurement of the pressure differential on different pipe sections
– influence of various pipe diameters
– influence of different materials and surface roughness
– effect of the flow velocity
– comparison between experiment and theory
Specification
[1] investigation of friction-induced pressure losses in flow through pipes
[2] pipe elements are commercially standard components in heating and sanitary engineering
[3] clear panel mounted on a sturdy, movable frame
[4] four measuring sections with different pipe crosssections and materials
[5] pipe sections can be selected via ball valves
[6] water connections made using quick-release couplings in the inflow and return
[7] flow can be adjusted via valves
[8] flow measurement using rotameter
[9] differential pressure measurement via differential pressure meter with display
Technical Data
Pipe sections measuring length: 1000mm
– pipe section 1: transparent plastic, diameter: 20×1,5mm
– pipe section 2: steel, diameter: 1/2″
– pipe section 3: copper, diameter: 18x1mm
– pipe section 4: copper, diameter: 15x1mm
Differential pressure meter
Measuring ranges- flow rate: 150…1600L/h- differential pressure: -350mbar…350mbar
Dimensions and Weight LxWxH: 1650x700x1850mm Weight: approx. 92kg
Required for Operation
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Learning Objectives / Experiments
– thermal expansion of different materials such as PVC, PE, copper and steel
– determination of thermal expansion coefficients and the expansion force
– measurement of pipe elongation
– effect of varying pipe diameter
– expansion compensator
Specification
[1] investigating the thermal expansion of different pipe sections
[2] pipe sections can be selected by ball valves
[3] water connections made using quick-release couplings
[4] operation with hot and cold water supplies
[5] adjustment of the water temperature using mixing battery with thermocouple
[6] temperature measurement using battery-operated digital thermometer
[7] force measuring device to determine the expansion force
Technical Data
Pipe section length: 1000mm
Nominal diameters- PVC, PE, Cu: – Cu: – Steel: 1/2″
Mixing battery connection: 1/2″
Force measuring device
– spring rate per spring: 78N/mm
– total spring rate c: 156N/mm
Measuring range
– temperature: -50…90°C
Dimensions and Weight
LxWxH: 1650x700x1850mm
Weight: approx. 100kg
Required for Operation
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Learning Objectives / Experiments
– pressure curve in a closed pipe system with circulation pump
– influence of pipe diameter, flow velocity, change in
cross-section and pipe fittings on the pressure losses
– determination of pump characteristics, system characteristics and the operating point
Specification
[1] investigation of the pressure losses at contractions, pipe angles, pipe bends, valves and fittings and pipe elements of different diameter
[2] pipe elements are commercially standard components in heating and sanitary engineering
[3] clear panel mounted on a sturdy, movable frame
[4] closed water circuit with pump and tank
[5] integrated bleed valve on manometer and in the pipe section
[6] flow measurement using rotameter
[7] measurement of the pressure distribution at
13 pressure measuring points, display with 13 tube manometers
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
Dimensions and Weight LxWxH: 1900x700x2020mm Weight: approx. 140kg
Required for Operation
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ZF1115A Trainer for Various Heat Exchangers Thermal Lab Equipment Educational Equipment
Specification
[1] examination and comparison of various heat exchanger types
[2] five different types of heat exchangers included in the scope of delivery
[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
Shell and tube heat exchanger
– capacity: 13kW
Finned cross-flow heat exchanger
– heat transfer surface area: approx. 2,8m²
– max. flow rate fan: 780m³/h
– max. pressure difference fan: 430Pa
Jacketed vessel with stirrer
– heat transfer surface area (vessel): 0,16m²
– 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
Dimensions and Weight
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ZF1122B Central Geo Thermal Heating System Thermal Experiment Equipment
“Specification
Function and operating behaviors of a modern heating system with digital heating controller
• Four-way mixer and three-way mixer
• Electric boiler
• 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
• Measurement of temperature, pressure and flow rate
• Boiler, 4 stages: 6/9/12/15kW,
• 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
• Size(LxWxH): 1500x900x1700mm
• Weight: 300Kg
a. Heat pump system
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
m. Electric control module: DC24V
n. Thermostat range: -50℃‾100℃
o. Geothermal system
-Ground unit chamber
-Water unit chamber
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Specification
[1] investigation of the pipe friction in laminar or turbulent flow on Hydraulic Bench
[2] transparent tank with overflow ensures constant water inlet pressure in the pipe section for experiments with laminar flow
[3] water supply via Base Module ( Hydraulic Bench) or via laboratory supply for experiments with turbulent flow
[4] flow rate adjustment via valves
[5] twin tube manometer for measurements in laminar flow
[6] dial-gauge manometer for measurements in turbulent flow
[7] flow rate determined by base module Hydraulic Bench
[8] water supply using base module ( Hydraulic Bench) or via laboratory supply
* Diameter of test pipe : 3.0mm ( Bore)
* Length of test pipe : 524mm
* Needle Valve included to regulate flow rate
length: 1000mm – Pipe section 1: acrylic 20×1.5mm – Pipe section 2: steel 1/2″ –
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
Flow measurement using venturi meter
Flow measurement using orifice plate
Use of pitot static tube
Use of manometersPlate Heat Exchanger Thermal Trainer Vocational Training Equipment
SR1158E Plate Heat Exchanger Thermal Trainer Vocational Training Equipment
I.Production profile
The key feature of plate heat exchangers is their compact design, in which optimum use is made of all of the material for heat transfer. The pressed in profile on the plates creates narrow flow channels, in which significant turbulence occurs. The turbulent flow allows effective heat transfer even with low flow rates and also has a self-cleaning effect. Plate heat exchangers are used in the food industry, offshore technology, refrigeration and domestic engineering.
II.Equipment feature
The SR1158E Plate Heat Exchanger is part of a series of units enabling experiments to be performed on different heat exchanger types. The experimental unit is ideally suited for investigating the functioning and behaviour of a plate heat exchanger in operation.
The plate heat exchanger is made up of profiled plates with water flowing through the spaces between them. The plates are soldered in such a way that two separate flow channels are formed. These are one “cold” and one “hot” flow channel, in an alternating arrangement. Part of the thermal energy of the hot water is transferred to the cold water. Valves on the supply unit are used to adjust the flow rates of hot and cold water. The supply hose can be reconnected using quick-release couplings, allowing the flow direction to be reversed. This allows parallel flow or counter flow operationspecification
[1] plate heat exchanger for connection
[2] hot and cold water supply
[3] parallel flow and counterflow operation possible
[4] six soldered plates
[5] recording of temperature
Technical Data
6 plates, stainless steel
Heat transfer area: 480cm²
Dimensions and Weight
LxWxH: 400x230x85mm
Weight: approx. 3kg
Brand: ShouldShine
Model: SR1158E
