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Olumide Babarinsa  - - - 
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Marc A. Rosen

437 shared publications

Faculty of Engineering and Applied Science, University of Ontario Institute of Technology, 2000 Simcoe Street North, Oshawa, Ontario, L1G 0C5, CANADA

Emmanuel O.B. Ogedengbe

16 shared publications

University of Lagos, Nigeria

2
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Article 1 Read 1 Citation Mixing Performance of a Suspended Stirrer for Homogenizing Biodegradable Food Waste from Eatery Centers Olumide Babarinsa, Emmanuel O.B. Ogedengbe, Marc A. Rosen Published: 25 August 2014
Sustainability, doi: 10.3390/su6095554
DOI See at publisher website ABS Show/hide abstract
Numerical simulation of a suspended stirrer within a homogenizing system is performed towards determining the mixing performance of a homogenizer. A two-dimensional finite volume formulation is developed for the cylindrical system that is used for the storage and stirring of biodegradable food waste from eatery centers. The numerical solver incorporates an analysis of the property distribution for viscous food waste in a storage tank, while coupling the impact of mixing on the slurry fluid. Partial differential equations, which describe the conservation of mass, momentum and energy, are applied. The simulation covers the mixing and heating cycles of the slurry. Using carrot-orange soup as the operating fluid (and its thermofluid properties) and assuming constant density and temperature-dependent viscosity, the velocity and temperature field distribution under the influence of the mixing source term are analyzed. A parametric assessment of the velocity and temperature fields is performed, and the results are expected to play a significant role in designing a homogenizer for biodegradable food waste.
PROCEEDINGS-ARTICLE 6 Reads 0 Citations Design of a Homogenizing System for Bio-degradable Food Waste from Eatery Centres Emmanuel Ogedengbe, Olumide Babarinsa, Marc Rosen Published: 31 October 2013
Proceedings of The 3rd World Sustainability Forum, doi: 10.3390/wsf3-d005
DOI See at publisher website ABS Show/hide abstract
Effective pre-treatment of food waste is important to ensure that subsequent treatment in a biogas plant works well. This paper describes a two-dimensional finite volume model for the design of a homogenizing system for bio-degradable food waste from eatery centers. The numerical solver incorporates the analysis of the property distribution for food waste slurry in a storage tank, while coupling the impact of mixing on the slurry fluid. The partial differential equations which describe the conservation of mass, momentum and energy are simulated. The simulation covered the mixing and heating cycles of the slurry. The slurry fluid was exposed to a pretreatment temperature of 600 C. With carrot-orange soup as the studied food waste, constant density and a temperature dependent viscosity are assumed. The predicted results for velocity, pressure and temperature distribution are discussed and a source term for mixing was proposed. This assessment of distribution of velocity and temperature is expected play a role in future studies and designs of a homogenizer for biodegradable food waste.
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