Compare three industrial heat exchangers having the same exchange

Surface area and different technologies


  • Heating unit, for hot water production with temperature controller, and safety thermostat.
  • Selection of cold water flow, set of two three way valves & sets of valves to select the exchanger.
  • High pressure relief valve, loaded at 3 bars.
  • Single-tube glass / SS exchanger EXCH1: Glass shell.
  • Multi tubular exchanger ECH2: stainless steel tubes, . Glass shell and SS baffle-plates.
  • Plate heat exchanger ECH3: Welded stainless steel plates.


  • Temperature probes Pt100Ω.
  • Flowmeters.


Dim : 190 x 80 x 198 cm – 200 kg
SS tubular framework 40 x 40mm


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Heat exchanger

A heat exchanger is a device used to transfer heat between a solid object and a

fluid, or between two or more fluids. The fluids may be separated by a solid

wall to prevent mixing or they may be in direct contact. They are widely used in

space heating, refrigeration, air conditioning, power stations, chemical plants,

petrochemical plants, petroleum refineries, natural-gas processing, and sewage

treatment. The classic example of a heat exchanger is found in an internal combustion

engine in which a circulating fluid known as engine coolant flows through radiator coils

and air flows past the coils, which cools the coolant and heats the incoming air.


Compare the three technologies

Single-tube glass/stainless steel heat exchanger

Shell-and-tube heat exchanger with glass shell and stainless steel tubes

SS plate-type heat exchanger


Determine the influence of flow regimes on heat transfer

Turbulent and laminar regimes

Co-current and counter-current circulation

Study of temperature gradient (optional).


Characterization of heat transfers

Thermal balance


Overall experimental and theoretical heat exchange coefficient K