Air conditioning technology
Air conditioning technology is a particularly demanding topical area of supply engineering because the temperature, humidity and air quality of the room to be supplied are regulated.
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The fundamentals of air conditioning technology impart the connection between humidity and temperature. Room air conditioning is shown and implemented using demonstrative equipment as an example.
Air conditioning
Climatic chamber with latent and sensitive heat source as cooling load; recirculating and outer air operation
Learning objectives/experiments
- air conditioning system and its components
- conditioning room air
- mixing different air flows
- representation in the h-x diagram for humid air
- humidification and dehumidification
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Modern learning environment through hardware/software integration (HSI)
Learning objectives/experiments
- in conjunction with ET 915.01, ET 915.02, ET 915.06 and ET 915.07
- fundamentals of the refrigeration cycle
- fundamentals of air conditioning
- components in a refrigeration system/air conditioning system
- system operation
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Model of a simple air conditioning system for room cooling; connection to ET 915
Learning objectives/experiments
- air conditioning system for room cooling and its main components
- principle of operation of an evaporator as air cooler
- fault simulation
Model of a full air conditioning system with outer air and recirculating operation; connection to ET 915
Learning objectives/experiments
- full air conditioning system and its main components
- heating and cooling in the h-x diagram
- humidifying and dehumidifying in the h-x diagram
- outer air and recirculating operation
- fault simulation
The condition of the air is characterised by temperature, pressure and humidity.
Air conditioning
Climatic chamber with adjustable humidity; comparison of four measuring methods
Learning objectives/experiments
- measuring methods for air humidity measurement
- psychrometric humidity measurement
- hygrometric humidity measurement
- capacitive humidity measurement
- characteristic variables to describe air humidity
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Principle of operation and characteristic variables of a wet cooling tower with forced ventilation
Learning objectives/experiments
- thermodynamic principles of the wet cooling tower
- changes of state of the air in the h-x diagram
- determination of the cooling capacity
- energy balances
- calculation of process parameters, such as maximum cooling distance, cooling zone width etc.
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Our practice-oriented air conditioning systems contain standard components used in industry and everyday practice.
Air conditioning system, setup
Air conditioning system consisting of industrial components including direct evaporator and vapour humidifier
Learning objectives/experiments
- air conditioning of room air
- setup of an air conditioning system: main components and their function
- variables in air conditioning
- measure temperature and air humidity
- effect of the air flow
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Chamber for comfort studies, suitable for occupation by test individuals. Air conditioning system with water chiller and vapour humidifier.
Learning objectives/experiments
- design, operation and operating behaviour of a real air conditioning system
- recirculating and outer air operation
- changes of state in the h-x diagram for humid air: heating, cooling, humidifying or dehumidifying, mixing
- application of the mixing line
- comfort studies, limit of comfortable humidity
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Manual or automatic operation by PLC; use of real components
Learning objectives/experiments
- practice-oriented principles of air conditioning and ventilation technology
- design and maintenance of an air conditioning and ventilation system
- principles of room air conditioning (h-x diagram)
- explanation of components: filter, air heater, air cooler, humidifier, condensing unit, PLC, flaps, outlets
- function of safety devices
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Vehicle air conditioning system for cooling the vehicle interior; use of typical components from automotive technology
Learning objectives/experiments
- principle of operation, design and handling of a vehicle air conditioning system
- detection of typical faults and repair of a faulty air conditioning system
- simulation of 8 system faults
- typical components of a refrigeration system
- refrigeration circuit as thermodynamic cycle
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Modern air conditioning unit with heat pump function: cooling and heating
Learning objectives/experiments
- design and operation of a split system air conditioner
- 6 operating modes
- cooling
- dehumidifying (slight cooling)
- heating
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