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Alireza Noorpoor

Alireza Noorpoor

University of Tehran, Iran

Title: CFD modeling of cattle manure anaerobic digestion for evaluating agitation via mixer

Biography

Biography: Alireza Noorpoor

Abstract

Discharging cattle manure as the waste of the livestock activities to the environment has resulted in biological and chemical contamination and methane emission that has concluded major large-scale impacts, such as global warming. Thus, anaerobic digesters are utilized to eliminate harmful micro-organisms, which occur in the cattle manure, in a chemical and organic process in absence of oxygen. For improving the efficiency of anaerobic digester, it is necessary to mix all the feedstock within the tank of the digester, properly. In this study, the aim is to model the agitation of the material within an anaerobic digestion tank with a mixer established for stirring cattle manure in a livestock yard; and also to analyze stagnant volume formation and velocity gradient. The CFD model is steady-state and rheological properties of the feedstock are considered. RNG  turbulence model is employed and simple algorithm is used to achieve velocity and pressure field. The results are validated comparing the power consumption of the mixer with the CFD results. Therefore, it is concluded that the employed procedure is suitable to predict the behavior of the cattle manure feedstock in the digester.

Recent Publications

  1. A R Noorpoor and S Nazari kudahi (2015) CO2 emissions from Iran’s power sector and analysis the influencing factors with STIRPAT model. Carbon Management 6(3):1-16.
  1. A R Noorpoor and S Nazari kudahi (2016) Analysis and study of CO2 adsorption on UiO-66/graphene oxide composite using equilibrium modeling and ideal adsorption solution theory (IAST). Journal of Environmental Chemical Engineering 4:1081-1091.
  1. A R Noorpoor, Parisa Heidarnejad, Nasim Hashemian and Danial Hamedi (2017) Exergy based optimization of a biomass and solar fuelled CCHP hybrid seawater desalination plant. Journal of Thermal Engineering 3(1):029-1033.
  1. Sahar Asgari, A R Noorpoor and Fateme Ahmadi Boyaghchi (2017) Parametric assessment and multi-objective optimization of an internal auto-cascade refrigeration cycle based on advanced exergy and exergoeconomic concepts. Journal of Energy 125:576-590.
  1. Saeed Nazari Kudahi, Ali Reza Noorpoor and Niyaz Mohammad Mahmoodi (2017) Determination and analysis of CO2 capture kinetics and mechanisms on the novel graphene-based adsorbents. Journal of CO2 Utilization 21:17-29.