Department of Food Science

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 Department of Food Science FOODHAY Instruments Food Biophysics Platform Foodture Lab Sheer cell

Sheer cell

Powder Shear Cell 219660 with shear systems PSC43 and PSC32. CTD 180 Humidity Ready, Convection temperature device 134000 from Anton Paar.

Büchi Rotavapor R-300 system, 11SR300151VS11 

  • Vacuum from atm. Pressure to 5 mbar
  • Condenser chilling -10 -> 30 degree
  • Opportunity to add more liquid without removing vacuum in the system
  • Water bath for heating sample: 10-95 degree
  • Adaptive vacuum control, ensuring that the product does not flash boil
  • Evaporation of solvents, purification of volatiles, concentration of specific compounds by evaporation    
Shear stress need to shear sample after compression with specific normal stress, gives information of cohesion, unconfined yield strength, major principal stress (for calculation of flowability (ffc)) and angle of internal friction.
Measurement of different preconditions eg. Temperature or humidity can show difference in flowability.

Details

Location

Building 15, 1.37

Danish Technological Institute

Kongsvang allé 29

8000 Aarhus C    

Typical applications

All powder samples:

  • Measurements for calculation of silo and hopper design (wall angle, diameter and diameter of opening.
  • Flowability including effect of e.g. humidity, temperature, free flow agents and test of effect of changes in production process.

Measurement of storage conditions resulting in lowest risk of caking.

Key contact

Hanne Bjørn Nedergaard

HBJH@teknologisk.dk

Access category

Advanced

Revised 17.04.2023