Heat Transfer Study Apparatus School Educational Equipment Vocational Trainer Workbench Thermal Training Equipment

Item No.: SR260916SA01

SR260916SA01 Heat Transfer Study Apparatus School Educational Equipment Vocational Trainer Workbench Thermal Training Equipment

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SR260916SA01 Heat Transfer Study Apparatus School Educational Equipment Vocational Trainer Workbench Thermal Training Equipment
catalogue link：/tmp/file/2c98fc0ed3.pdf

SECTION 1: BACKGROUND & PURPOSE (STATEMENT OF OBJECTIVE)
Background and Operational Necessity:
The engineering laboratory curriculum requires specialized apparatus to train students and enhance practical engineering competencies in transport phenomena and analytical experimentation. The Heat Transfer Study Apparatus is strictly required for hands-on demonstration and laboratory teaching of fundamental heat transfer mechanisms (conduction, convection, overall heat transfer coefficients, and temperature profiles) and their practical applications in chemical, petrochemical, pharmaceutical, and food process industries.
SECTION 2: GENERAL SYSTEM ARCHITECTURE & CONFIGURATIO
The Heat Transfer Study Apparatus must be a comprehensive didactic experimental system comprising two main functional experimental setups:
1. Heat Exchanger Experimental Unit: To study fluid-to-fluid heat exchange principles, equipped with interchangeable modules including Tubular Heat Exchanger and Shell and Tube Heat Exchanger, appropriately installed/interconnected onto a dedicated Docking/Base Service Unit for ease of comparative performance analysis.
2. Heat Conduction Experimental Unit: To study conductive heat transfer in solid materials, comprising both a Linear Heat Conduction Unit and a Radial Heat Conduction Unit for comparative analysis across differing geometry and crosssections

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SECTION 3: DETAILED TECHNICAL SPECIFICATIONS
3.1 Heat Exchanger Experimental Unit (1 complete set)
3.1.1
Base Unit Heat Exchanger Temperature-Controlled Bath / Service Unit (Quantity: 1 unit)
3.1.1.1
The bath must be fabricated from transparent acrylic material for clear visual inspection and observation. The interior includes an electric heating element of 2 kW capacity, capable of achieving temperatures up to 80 °C, equipped with an automatic temperature sensor.

3.1.1.2
Equipped with a centrifugal pump for water circulation between the temperature-controlled bath and the respective heat exchanger modules.
3.1.1.3
Equipped with flow measurement instrumentation covering the range of 0.3 to 10 L/min, with a flow adjustment resolution of 0.1 L/min.
3.1.1.4
Flow direction must be reconfigurable/switchable to study both co-current (parallel flow) and counter-current flow regimes
3.1.1.5
Capable of connecting to an external cold water supply/chiller system, equipped with an inlet pressure regulating device and flow regulation valve.
3.1.1.6
Equipped with temperature sensors utilizing Thermocouple Type K and Type T, covering a measurement range of 0 to 75 °C with a resolution of 0.1 °C.
3.1.1.7
CRITICAL DESIGN POINT Multi-Purpose Temperature Measurement Instrument:
1) Fitted with a thermistor temperature probe fabricated from Grade S316 stainless steel.
2) Measurement span covers -30 to 120 °C with a display resolution of 0.1 °C.
3) Features an instrument status indicator light with 5 distinct blinking levels/modes to signal operating states for clear visual tracking
3.1.1.8
Capable of interfacing with an external computer via USB port or equivalent industrial interface to log, display, and report real-time experimental test data
3.1.2
Exchanger Module 1 Tubular Heat Exchanger Module (Quantity: 1 set)
3.1.2.1
Must mount securely onto the base temperature-controlled service bath and integrate seamlessly with the circulating water system.
3.1.2.2
Constructed with 4 concentric tube passes (tubes), allowing hot water circulation through the inner tube and cold water through the outer annular space.
3.1.2.3
Inner heat exchange tubes must be fabricated from stainless steel, and outer tubes must be fabricated from transparent acrylic for visual observation of flow phenomena.
3.1.2.4
Total effective heat exchange surface area must be 0.08 m².
3.1.2.5
Equipped with temperature measurement sensors at hot water and cold water positions totaling 6 measurement points (inlets, intermediate passes, and outlets).
3.1.3
Exchanger Module 2 Shell and Tube Heat Exchanger Module (Quantity: 1 set)
3.1.3.1
Must mount securely onto the base temperature-controlled service bath and integrate seamlessly with the circulating water circuit.
3.1.3.2
Tube bundle must contain 6 inner tubes, with internal diameter (ID) of 6 mm.
3.1.3.3
Inner heat transfer tubes must be made of stainless steel and outer shell fabricated from transparent acrylic with internal baffles to observe flow behavior.
3.1.3.4
Effective heat transfer surface area must be 0.02 m².
3.1.3.5
Equipped with temperature sensors at hot/cold inlet and outlet streams totaling 4 measurement points.
3.1.4
Mandatory Experimental Capabilities (Didactic Teaching Scope):
3.1.4.1 Indirect heating/cooling heat transfer across dividing walls.
3.1.4.2 Co-current vs. Counter-current flow direction demonstration.
3.1.4.3 Shell and Tube heat exchanger flow regime analysis.
3.1.4.4 Transition from Laminar to Turbulent flow.
3.1.4.5 Energy balance (heat balance) & efficiency calculations from flow rates and $\Delta T$.
3.1.4.6 Comparative operational & thermal efficiency analysis between exchanger types.
3.1.4.7 Overall heat transfer coefficient ($U$) determination.
3.1.4.8 Influence of fluid flow rates on overall heat transfer coefficient ($U$).
SECTION 3.2: HEAT CONDUCTION EXPERIMENTAL UNIT (TOTAL: 1 COMPLETE SET)
3.2.1
Control Unit Heat Conduction Main Control & Service Unit (Quantity: 1 set)
3.2.1.1
Main control console must be compact and designed for laboratory benchtop/tabletop installation.
3.2.1.2
Input Signal Interface Capabilities:
1) Thermocouple temperature sensor inputs capable of accepting up to 12 positions.
2) Control interface for regulating external circulating cooling water flow control valve

3.2.1.3
Output Signal Capabilities:
1) 24 V linear output signal for actuators and Peltier thermoelectric modules.
2) 24 VDC output for cooling fans, heating elements, and circulation pumps.
3.2.1.4
Equipped with cooling water flow sensor covering 0.6 to 10 L/h (with resolution of 0.1L/min), capable of operating at temperatures up to 125 °C.
3.2.1.5
Capable of supporting up to 12 thermocouple measurement channels, covering temperature ranges from 1 to 125 °C with 0.1 °C resolution.
3.2.1.6
CRITICAL PROPRIETARY REQUIREMENT
Must incorporate an environmental relative humidity sensor measuring 0 to 100 %RH with a resolution of 0.01 %RH, and capable of measuring/calculating Dew Point temperature
covering -50 to 80 °C with a resolution of 0.1 °C.
3.2.1.7
CRITICAL SAFETY VOLTAGE REQUIREMENT
Electrical control system must operate at an extra-low safety voltage of 27 V to safeguard operators from electrical hazards.
3.2.1.8
Capable of interfacing with an external computer via USB port or equivalent industrial interface to log and report all experimental data.
3.2.2
Conduction Module 1 Linear Heat Conduction Experimental
Module (Quantity: 1 set)
3.2.2.1
Thermocouple sensors installed along the heated and cooled sections with sensor pitch 15 mm spacing:
1) Heating section temperature sensors: 3 points.
2) Cooling section temperature sensors: 3 points.
3) Intermediate test specimen temperature sensors: 2 points.
3.2.2.2
CRITICAL SPECIMEN DIMENSIONS Interchangeable Heat Conduction Test Specimens:
1) Brass Specimen: Quantity 2 pcs, Ø 25 mm x 30 mm L, fits between heated/cooled sections.
2) Stainless Steel Specimen: Quantity 2 pcs, Ø 25 mm x 30 mm L, fits between heated/cooled sections.
3) Aluminum Specimen: Quantity 2 pcs, Ø 25 mm x 30 mm L, fits between heated/cooled sections.
4) Stainless Steel Specimen (Reduced Dia): Quantity 2 pcs, Ø 13 mm x 30 mm L.
5) Aluminum Specimen (Reduced Dia): Quantity 2 pcs, Ø 13 mm x 30 mm L.
6) Brass Specimen (Reduced Dia): Quantity 2 pcs, Ø 13 mm x 30 mm L.
(Total: 12 precision specimens across 3 materials and 2 diameters)
3.2.2.3
Equipped with Quick-Connect self-sealing fittings for connecting external cold water circulation.
3.2.2.4
Electrical heating capacity of the heating section must be 60 W.
3.2.3
Conduction Module 2 Radial Heat Conduction Experimental Module (Quantity: 1 set)
3.2.3.1
Constructed with central electrical heating at the disk core and peripheral water cooling around the outer circumference to create radial thermal gradients.
3.2.3.2
Conducting metal disk diameter must be 110 mm, and disk thickness must be 3 mm.
3.2.3.3
Equipped with temperature measurement sensors from disk center outwards along the radial path at 6 measurement positions.
3.2.3.4
Equipped with Quick-Connect self-sealing fittings for connecting external cooling water circuit.
3.2.3.5
Electrical heating capacity of the core heater must be 100 W.
3.2.4
Mandatory Conduction Experimental Scope:
3.2.4.1 Fourier Rate Equation application in solid conduction.
3.2.4.2 Steady-state temperature profile determination across single and composite materials.
3.2.4.3 Overall thermal conductance / resistance determination for dissimilar materials.
3.2.4.4 Thermal conductivity ($k$) determination of various metal specimens.
3.2.4.5 Effect of cross-sectional area variation on thermal resistance ($ arnothing 25\ ext{mm}$ vs $ arnothing 13\ ext{mm}$).
3.2.4.6 Thermal conductivity ($k$) determination for radial disk geometry
SECTION 3.3 - 3.7: AUXILIARY EQUIPMENT, DATA PROCESSING & WORKSTATION
3.3
Refrigerated Bath External Temperature-Controlled Circulating Bath / Chiller (Quantity: 2 sets):
3.3.1 Capacity: 30 Liters.
3.3.2 Temperature control range: 5 to 35 °C or wider.
3.3.3 Circulation flow rate delivered to experimental units: 0.1 L/min.
3.3.4 Digital display panel showing internal bath temperature and control settings.
3.3.5 Safety features: 1) Overflow drain pipe, 2) Liquid level detector, 3) Over-temperature cut-off protector.
3.4
Computing Data Processing Computer Workstation (Quantity: 2 complete sets):
3.4.1 Brand new, non-refurbished/non-rebuilt unit.
3.4.2 Intel Core i5 processor, clock speed 2.0 GHz or better at delivery.
3.4.3 RAM 16.0 GB.
3.4.4 SSD Storage 1 TB.
3.4.5 LED Monitor 24 inches.
3.4.6 Pre-installed genuine licensed Microsoft Windows 11 (or newer) lifetime license.
3.4.7 Pre-installed genuine licensed Microsoft Office (Word, Excel, PowerPoint)Thai/English UI lifetime license.
3.4.8 Wireless Optical Mouse with scroll wheel under identical brand.
3.4.9 OEM manufacturer online support portal for BIOS/driver downloads.
3.5
Electrical Power & Environment Compatibility:
All equipment under 3.1 to 3.3 must operate on 220 VAC, 50/60 Hz single-phase electrical supply and perform stably in tropical ambient conditions.
3.6
Laboratory Workbenches (Quantity: 2 units):
3.6.1 Heavy-duty lab bench for mounting apparatus, dimensions:
75 cm W x 200 cm L x 80 cm H.
3.6.2 High-rigidity steel frame, fully assembled, capable of supporting apparatus load, steel tubular legs or better.
3.7
Laboratory Maintenance Toolkits & Accessories:
3.7.1 Mobile modular drawer tool cabinet: 1 unit.
3.7.2 Combination spanner set: Chrome Vanadium, 12 pieces: 1 set.
3.7.3 Screwdriver set: 9 pieces: 1 set.
3.7.4 Hex key (Allen wrench) set: 6 pieces: 1 set.
3.7.5 Pliers set: Includes combination pliers, long-nose pliers,
and diagonal cutting pliers: 1 set.