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Enhancing Experimentation and Modeling of the Impact of Coffee Particle Size on the Dynamic Process of Espresso Extraction.
- Format:
- Book
- Author/Creator:
- Vaca Guerra, Mauricio.
- Language:
- English
- Subjects (All):
- Espresso.
- Particle size determination.
- Physical Description:
- 1 online resource (157 pages)
- Edition:
- 1st ed.
- Place of Publication:
- Göttingen : Cuvillier Verlag, 2025.
- Summary:
- Mauricio Vaca Guerra's dissertation explores the impact of coffee particle size on the dynamic process of espresso extraction, combining experimental research with mathematical modeling. The study examines the correlations between milling degree and critical processes such as coffee bed hydrodynamics, diffusion resistance, and extraction kinetics. It highlights the influence of particle size on taste profile variability, waste reduction, and selectivity of key coffee components, making advancements in the design of innovative espresso machines. Intended for researchers, engineers, and professionals in chemical engineering and food sciences, the work aims to enhance understanding and precision in espresso brewing technology. Generated by AI.
- Contents:
- Introduction
- Motivation and objectives
- Fundamentals of espresso extraction: state of the art
- Characterization of bimodal distributions
- Particle porosity of roasted coffee
- Extraction kinetics
- Lipids
- Mechanistic model to describe the espresso extraction process
- Microscopic scale: mass transfer from single particles
- Macroscopic scale: packed bed of coffee particles
- Compression of granular beds
- Mechanics involved in the espresso packed bed
- Coffee bed permeability
- Axial dispersion
- 2 Materials and Methods
- Methods: coffee powder and packed bed properties characterization
- Particle size distribution measurements
- Helium pycnometer
- Mercury porosimetry
- Water activity
- Scanning Electron Microscopy SEM
- Particle surface roughness
- Surface lipids determination
- Packed bed compression experiments
- Powder Rheometer
- Texture analyzer
- Packed bed permeability experiments
- Coffee machine system
- Water hardness evaluation
- Experiment conditions Generated by AI.
- Notes:
- Description based on publisher supplied metadata and other sources.
- Part of the metadata in this record was created by AI, based on the text of the resource.
- ISBN:
- 3-689-52689-2
- OCLC:
- 1534195929
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