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Laboratory Stand “Heat Transfer in Refrigeration”
$6,840.00
Demonstrates the principles of heat transfer within refrigeration systems, providing insights into thermal dynamics and refrigeration efficiency. Perfect for understanding the fundamentals of HVAC systems.
Product Overview
The Laboratory Stand “Heat Transfer in Refrigeration” is designed to demonstrate the principles of heat transfer within refrigeration systems. It provides students and educators with valuable insights into thermal dynamics, refrigeration efficiency, and the fundamental workings of HVAC (Heating, Ventilation, and Air Conditioning) systems. This comprehensive training platform enables hands-on study of heat exchange processes, making it an ideal tool for vocational schools, technical colleges, and universities.
The stand features a model of a refrigeration system with a closed water circuit, including essential components such as a hermetic piston compressor, coaxial evaporator and condenser, temperature controller, and instrumentation for precise measurements. The refrigerant used is R134a, ensuring compliance with modern environmental standards
Technical Parameters
- Refrigerant: R134a
- Cooling Load: Used as a cooling load for the closed water circuit.
- Hot Water Circuit: Includes a tank, heater, pump, and temperature controller.
- Compressor Specifications:
- Power Consumption: 150W at -10°C.
- Refrigerating Capacity: 280W at 0/32°C.
- Heat Exchanger Capacity: 2kW at 45°C condensing temperature, ΔT=7K.
- Circulating Pump:
- Stages: 30W, 45W, 60W.
- Maximum Flow Rate: 2.9m³/h.
- Maximum Head: 4m.
- Water Tank:
- Insulated.
- Capacity: 4.5 liters.
- Measuring Ranges:
- Temperature: 4x 0…60°C.
- Flow Rate: 2x 0…33 liters/hour.
- Сan be equipped with transport roller
Functional Features
- Closed Water Circuit Model:
- Demonstrates the principles of heat transfer in a refrigeration system using a closed water circuit.
- Hermetic Piston Compressor:
- A key component of the refrigeration system, enabling efficient compression of the refrigerant.
- Coaxial Evaporator and Condenser:
- Allows for the study of heat exchange processes between the refrigerant and water circuits.
- Sight Glass in the Refrigerant Circuit:
- Provides visual observation of the refrigerant flow, aiding in understanding system behavior.
- Instrumentation:
- Equipped with bimetallic thermometers and rota meters for precise measurement of temperature and flow rate.
- Water Tank with Heater and Pump:
- Simulates a hot water circuit, enabling experiments on heat transfer and system efficiency.
- Temperature Controller:
- Regulates the temperature of the hot water circuit, allowing for controlled experimentation.
- Environmental Compliance:
- Uses R134a refrigerant, ensuring compliance with modern environmental regulations.
- Safety-Oriented Design:
- Includes protective features to ensure safe operation during experiments.
Set Composition
- Refrigeration System Components:
- Hermetic Piston Compressor.
- Coaxial Evaporator and Condenser.
- Sight Glass in the Refrigerant Circuit.
- Hot Water Circuit Components:
- Insulated Water Tank (4.5 liters).
- Heater (300W).
- Circulating Pump (3 stages: 30W, 45W, 60W).
- Temperature Controller.
- Instrumentation:
- Bimetallic Thermometers (4 pcs., measuring range 0…60°C).
Rota Meters (2 pcs., measuring range 0…33 liters/hour).
Training Projects
- Heat Transfer Principles:
- Study the fundamental principles of heat transfer within refrigeration systems.
- Thermal Dynamics Analysis:
- Analyze the thermal dynamics of the closed water circuit and its interaction with the refrigeration system.
- Refrigeration Efficiency Testing:
- Experiment with different conditions to measure the efficiency of the refrigeration system.
- Compressor Performance Evaluation:
- Test the performance of the hermetic piston compressor under varying temperatures and loads.
- Heat Exchanger Study:
- Investigate the capacity and efficiency of the coaxial tube heat exchanger under different operating conditions.
- Flow Rate and Temperature Measurement:
- Use instrumentation to measure and analyze flow rates and temperatures in both the refrigerant and water circuits.
- Fault Simulation and Diagnostics:
Simulate faults in the refrigeration system and practice diagnosing and resolving them.
Educational Benefits
- Hands-On Experience: Students gain practical experience by interacting directly with real-world components of a refrigeration system.
- Comprehensive Coverage: The stand covers all essential aspects of heat transfer in refrigeration, including compressor performance, heat exchanger efficiency, and flow rate measurement.
- Visualization Capabilities: The sight glass and instrumentation provide clear visual feedback on system behavior, enhancing understanding of complex processes.
- Safety-Oriented Design: Ensures safe operation during experiments involving high-pressure refrigerants and electrical components.
Conclusion
The Laboratory Stand “Heat Transfer in Refrigeration” is a cutting-edge educational tool that combines real-world components with advanced simulation capabilities. Its robust design, interactive features, and wide range of functionalities make it an indispensable solution for teaching and training in modern refrigeration and HVAC technologies.
