Conditioning of room air Air conditioning system consisting of industrial components including direct evaporator and vapour humidifier Features - air conditioning system with steam humidifier - wide experimental program for conditioning of room air - representation of the thermodynamic principles in the log p-h and h-x diagram - dynamic recording of the refrigerant mass flow rate 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 -- changes of state in the h-x diagram - setup of a refrigeration system: main components and their function - measurements in the refrigeration circuit -- cyclic process in the log p-h diagram -- determine heating and cooling capacities Specification [1] effect of typical air conditioning system components on the conditioning of room air [2] air conditioning system with open air duct, air cooler, steam humidifier, fan, air preheaters and reheaters [3] all components can be switched on and off individually [4] determination of the volumetric air flow rate by differential pressure measurement using an inclined tube manometer [5] combined sensors for the air humidity and temperature before and after each stage [6] sensor for the pressure and temperature of the refrigerant [7] refrigerant mass flow rate precisely calculated via GUNT software [8] GUNT software for data acquisition via USB under Windows 10 [9] refrigerant: R513A, GWP: 631 Technical data Steam humidifier - power consumption: 4kW - steam capacity: 5,5kg/h, switchable in three stages Fan - power consumption: 167W - max. volumetric flow rate: 1150m3/h - speed: 1000...2600min-1 - Δpmax: 460Pa Air preheater: 1kW, switchable in two stages Air reheater: 2kW, switchable in two stages Air duct, WxH: 300x300mm Compressor - power consumption: 1kW at -5/50°C - refrigeration capacity: 2,1kW at -5/50°C Refrigerant - R513A - GWP: 631 - filling volume: 3,1kg - CO2-equivalent: 2t Measuring ranges - differential pressure: 0...100Pa - temperature: 5x 0...50°C, 4x -100...200°C - humidity: 5x 10...90% - pressure: -1...15bar, -1...24bar (refrigerant) - flow rate: refrigerant calculated 0...80kg/h 400V, 50Hz, 3 phases 400V, 60Hz, 3 phases; 230V, 60Hz, 3 phases UL/CSA optional LxWxH: 2570x850x1750mm Weight: approx. 330kg