BEGIN:VCALENDAR PRODID:-//Microsoft Corporation//Outlook 16.0 MIMEDIR//EN VERSION:2.0 METHOD:PUBLISH X-MS-OLK-FORCEINSPECTOROPEN:TRUE BEGIN:VTIMEZONE TZID:GMT Standard Time BEGIN:STANDARD DTSTART:16011028T020000 RRULE:FREQ=YEARLY;BYDAY=-1SU;BYMONTH=10 TZOFFSETFROM:+0100 TZOFFSETTO:-0000 END:STANDARD BEGIN:DAYLIGHT DTSTART:16010325T010000 RRULE:FREQ=YEARLY;BYDAY=-1SU;BYMONTH=3 TZOFFSETFROM:-0000 TZOFFSETTO:+0100 END:DAYLIGHT END:VTIMEZONE BEGIN:VEVENT CATEGORIES:Stage 5 CLASS:PUBLIC CREATED:20230502T110720Z DESCRIPTION:Mechanical Surface Energy Tester- Prediction of Bulk Flow Prope rties using 50mg quantity\nhttps://www.chemicalukexpo.com/speakers/dr-vive k-garg/\n \n \nTime & Location\nWednesday: 12.45 to 13.00\, Stage 5\n \nSp eaker\nDr Vivek Garg\, Research and Consulting Engineer - The Wolfson Cent re for Bulk Solids Handling Technology\, University of Greenwich\n \nAbout this presentation\nIn operations and processes for handling powder\, part icle adhesion force is essential. There are numerous frequently used techn iques\, including centrifugal detachment and atomic force microscopy (AFM) . When measurements are associated to the bulk behaviour of powders\, such as powder flow with a range of particle sizes\, the majority of approache s\, however\, have limitations.\nThe work focuses on a novel test method\, which incorporates a mechanical surface energy tester developed at The Wo lfson Centre\, for measuring forces between particles and surfaces utilisi ng cohesive powders. In order to predict flowability issues at an early st age of formulation using only a small amount of powder sample\, the work f ocuses on predicting the powder flow function using a unique technique in conjunction with common particle properties.\nThe unique test method’s B ond number for aggregated particles and the powder’s flow function were linked to develop a successful strategy. A variety of materials and partic le sizes were used in the experiment. Investigations have been done into p article adherence to various surfaces\, including compacted powder and sol id materials.\nThe technique yields successful results. A model has been d eveloped and verified using a large variety of powders\, and it is able to predict additional bulk flow property parameters such as unconfined failu re strength\, compressibility\, the effective angle of internal friction\, bulk density\, and flow function.\n \n DTEND;TZID="GMT Standard Time":20230510T130000 DTSTAMP:20230502T110720Z DTSTART;TZID="GMT Standard Time":20230510T124500 LAST-MODIFIED:20230502T110720Z LOCATION:Stage 5 PRIORITY:5 SEQUENCE:0 SUMMARY;LANGUAGE=en-gb:Mechanical Surface Energy Tester- Prediction of Bulk Flow Properties using 50mg quantity (Wolfson Centre for Bulk Solids Hand ling Techn\, Univ of Greenwich) TRANSP:OPAQUE UID:040000008200E00074C5B7101A82E00800000000F04C940AE07CD901000000000000000 010000000855488A30EBC1948969A5E5A9EA14322 X-ALT-DESC;FMTTYPE=text/html:\n\n\n\n \n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n \n\n\n\n\n\n\n\n\n\n

Mechanical Surface Energy Tester- Prediction of Bulk Flow Properti es using 50mg quantity

https://www.chemicalukexpo.com/speakers/dr-vivek-garg/

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Time &\; Location

Wednesday: 12.45 to 13.00\, Stage 5

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Speaker

Dr Vivek Garg\, Research and Consulting Engineer - The Wolfson Centre for Bulk Solids Handling Technology\, University of G reenwich

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About this presentation

I n operations and processes for handling powder\, particle adhesion force i s essential. There are numerous frequently used techniques\, including cen trifugal detachment and atomic force microscopy (AFM). When measurements a re associated to the bulk behaviour of powders\, such as powder flow with a range of particle sizes\, the majority of appro aches\, however\, have limitations.

The w ork focuses on a novel test method\, which incorporates a mechanical surfa ce energy tester developed at The Wolfson Centre\, for measuring forces be tween particles and surfaces utilising cohesive powders. In order to predict flowability issues at an early stage of formul ation using only a small amount of powder sample\, the work focuses on pre dicting the powder flow function using a unique technique in conjunction w ith common particle properties.

The uniqu e test method’\;s Bond number for aggregated particles and the powder ’\;s flow function were linked to develop a successful strategy. A va riety of materials and particle sizes were used in the experiment. Investi gations have been done into particle adherence to various surfaces\, inclu ding compacted powder and solid materials.

The technique yields successful results. A model has been developed and verified using a large variety of powders\, and it is able to predict addi tional bulk flow property parameters such as unconfined failure strength\, compressibility\, the effective angle of internal friction\, bulk density \, and flow function.

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