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Found 3 essays matching the above criteria.

1. 1. Investigation of mechanical tearing - and how it can be applied in openability prediction

   University essay from Lunds universitet/Förpackningslogistik

   Author : Henrik Skanse; [2009]
   Keywords : Tearing; Openability; Perforation; Tetra Pak; Production technology; Produktionsteknik; Technology and Engineering;

   Abstract : Abstract Perforations are one of Tetra Paks oldest inventions of how to open their carton packages. They have been a part of Tetra Briks product portfolio for over 30 years and quality testing is important. Bad openability, with plastic residues covering the torn hole, is a problem that needs to be addressed. READ MORE

3. 2. CFD Simulations of Flow and Pressure Distribution in a Coarse Industrial Self Cleaning Filter

   University essay from Lunds universitet/Institutionen för energivetenskaper

   Author : Eric Månsson; [2008]
   Keywords : self cleaning; CFD Simulations; filter; Technology and Engineering;

   Abstract : The intention of this master thesis is to model the internal flow of an Alfa Laval course Filter with 20 cm inlet and normal outlet (ALF20), which is an automatic self cleaning filter aimed to rinse the cooling water upstream the inlet of a compact heat exchanger. Along the automatic cleaning process the ALF20 turn into a flushing and a back flushing operation mode. READ MORE

4. 3. Controlling the speed of film with high precision in a line scanner

   University essay from Institutionen för systemteknik

   Author : Magnus Rosenius; [2003]
   Keywords : Electronics; film scanner; line scanner; perforation hole; subpixel; Elektronik;

   Abstract : In this master thesis, a system has been designed that is used to detect the perforation holes on a film in a line-scanning film scanner. The film scanner is used to scan regular film taken by high-speed cameras during tests of for example missile launches or vehicle crash tests. READ MORE