Mark Al-Shemmerithe impact of roasting time and post-harvest processing on ground coffee particle size…14 min read·Feb 22, 2024----
Mark Al-Shemmeriseasoning a coffee grinderyou’ve got that new grinder out of the box, you’ve peeled away all the protective plastic and you’re super excited to start grinding and…7 min read·Jan 28, 2024----
Mark Al-ShemmeriAn experimental study of coffee bean particle motion in a spouted bed roasterWe’ve all looked into the sight glass of the roaster, watching for the recirculation of beans as they cascade and tumble around inside…15 min read·Dec 10, 2023----
Mark Al-ShemmeriEffect of bean size on coffee’s roasting performanceAnother age-old anecdote.10 min read·Oct 10, 2023----
Mark Al-ShemmeriEffect of post-harvest processing on coffee’s roasting performancePost-harvest processing influences in-cup flavour. With this in mind, this study begins to explain why a roaster’s approach to washed and…13 min read·Aug 11, 2023----
Mark Al-ShemmeriAn experimental study of coffee bean particle motion in a rotating drum roasterMeasured using Positron Emission Particle Tracking (PEPT)14 min read·May 28, 2023----
Mark Al-ShemmeriThe effect of decaffeination on coffee’s roasting and grinding performanceShortly after a lecture on the physics of filter coffee in Milan, I bumped into Alex Wallace (QC at Caravan Coffee Roasters) and, together…14 min read·Apr 19, 2023----