All Outputs (20)

Investigation of fluidized bed behaviour using electrical capacitance tomography (2020)
Journal Article

The temporal and cross?sectional distributions of particles in a 127?mm diameter fluidized bed have been obtained using a new generation, high?speed electrical capacitance tomography. Two planes of eight electrodes were used and mounted at 160?mm and... Read More about Investigation of fluidized bed behaviour using electrical capacitance tomography.

Reconciling Gaussian plume and Computational Fluid Dynamics models of particulate dispersion (2020)
Journal Article

Computational Fluid Dynamics (CFD) is increasingly used to model particulate dispersion in situations where Gaussian Dispersion models are inappropriate or inaccurate. However, there is evidence which indicates that many CFD models under-predict l... Read More about Reconciling Gaussian plume and Computational Fluid Dynamics models of particulate dispersion.

Application of TG technique to determine spontaneous heating propensity of coals (2020)
Journal Article

© 2020, Akadémiai Kiadó, Budapest, Hungary. The TG method is applied to eleven coal samples of varying rank collected from across the Jharia coalfield, India, to determine spontaneous heating susceptibility. Previous literature does not agree as to t... Read More about Application of TG technique to determine spontaneous heating propensity of coals.

Development a modified crossing point temperature (CPTHR) method to assess spontaneous combustion propensity of coal and its chemo-metric analysis (2018)
Journal Article

Spontaneous combustion of Indian coals was investigated using spontaneous combustion rig at University of Nottingham, UK to assess their susceptibility. In the present study authors have used eleven coal samples collected from the Jharia coalfield (J... Read More about Development a modified crossing point temperature (CPTHR) method to assess spontaneous combustion propensity of coal and its chemo-metric analysis.

A computational study of particulate emissions from Old Moor Quarry, UK (2017)
Journal Article

This paper presents an evaluation of a buoyancy-modified k--e dust dispersion model for predicting fugitive dust deposition from a surface quarry. The dust clouds are modelled as volumetric emissions and their dispersion simulated by coupling the flo... Read More about A computational study of particulate emissions from Old Moor Quarry, UK.

Development of a petrographic technique to assess the spontaneous combustion susceptibility of Indian coals (2017)
Journal Article

Petrographic studies are commonly used categorise the potential utilisation of coals. Eleven coal samples from the jharia coalfield (JCF), india, were studied using petrographic techniques to investigate maceral content, reflectance, and textural cha... Read More about Development of a petrographic technique to assess the spontaneous combustion susceptibility of Indian coals.

Applications of Artificial Neural Network (ANN) method for performance prediction of the effect of a vertical 90° bend on an air-silicone oil flow (2017)
Journal Article

Knowledge of how the presence of a bend can change the flow patterns of a gas–liquid mixture is important for the design of multiphase flow systems, particularly to prevent burn-out and erosion–corrosion. Burn-out and erosion–corrosion both have seri... Read More about Applications of Artificial Neural Network (ANN) method for performance prediction of the effect of a vertical 90° bend on an air-silicone oil flow.

Numerical modelling of the rise of Taylor bubbles through a change in pipe diameter (2017)
Journal Article

The rise of Taylor bubbles through expansions in vertical pipes is modelled using Computational Fluid Dynamics. The predictions from the models are compared against existing experimental work and show good agreement, both quantitatively and qualitati... Read More about Numerical modelling of the rise of Taylor bubbles through a change in pipe diameter.

Estimation of greenhouse gas emissions from spontaneous combustion/fire of coal in opencast mines – Indian context (2016)
Journal Article

There are a significant number of uncontrolled coal mine fires (primarily due to spontaneous combustion of coal), which are currently burning all over the world. These spontaneous combustion sources emit greenhouse gases (GHGs). A critical review rev... Read More about Estimation of greenhouse gas emissions from spontaneous combustion/fire of coal in opencast mines – Indian context.

Review of experimental methods to determine spontaneous combustion susceptibility of coal – Indian context (2016)
Journal Article

This paper presents a critical review of the different techniques developed to investigate the susceptibility of coal to spontaneous combustion and fire. These methods may be sub-classified into the two following areas: (1) Basic coal characterisatio... Read More about Review of experimental methods to determine spontaneous combustion susceptibility of coal – Indian context.

Numerical modeling of oscillating Taylor bubbles (2016)
Journal Article

© 2016 The Author(s). In this study, computational fluid dynamics (CFD) modeling is used to simulate Taylor bubbles rising in vertical pipes. Experiments indicate that in large diameter (0.29 m) pipes for an air-water system, the bubbles can rise in... Read More about Numerical modeling of oscillating Taylor bubbles.

Experimental study of the hydrodynamic behaviour of slug flow in a horizontal pipe (2016)
Journal Article

This paper investigates the unsteady hydrodynamic behaviour of slug flow occurring within an air–silicone oil mixture, within a horizontal 67 mm internal diameter pipe. A series of slug flow regime experiments were performed for a range of injected a... Read More about Experimental study of the hydrodynamic behaviour of slug flow in a horizontal pipe.

Flows of granular material in two-dimensional channels (2015)
Journal Article

Secondary cone-type crushing machines are an important part of the aggregate production process. These devices process roughly crushed material into aggregate of greater consistency and homogeneity. We apply a continuum model for granular materials (... Read More about Flows of granular material in two-dimensional channels.

Comparison of experimental and Computational Fluid Dynamics (CFD) studies of slug flow in a vertical riser (2015)
Journal Article

This paper presents a comparison of the results obtained from experiments and CFD studies of slug flow in a vertical riser. A series of two experimental investigations were carried out on a 6 m vertical pipe with a 0.067 m internal diameter charged w... Read More about Comparison of experimental and Computational Fluid Dynamics (CFD) studies of slug flow in a vertical riser.

Detailed analysis of phase distributions in a vertical riser using wire mesh sensor (WMS) (2014)
Journal Article

Discrete element modelling of rock communition in a cone crusher using a bonded particle model (2014)
Journal Article

It is known that discrete element method modelling (DEM) of rock size reduction can be achieved by two approaches: the population balance model (PBM) and the bonded particle model (BPM). However, only PBM has been successfully used in DEM modelling c... Read More about Discrete element modelling of rock communition in a cone crusher using a bonded particle model.

A Review of Primary Mine Ventilation System Optimization (2014)
Journal Article

Within the mining industry, a safe and economical mine ventilation system is an essential component of all underground mines. In recent years, research scientists and engineers have explored operations research methods to assist in the design and saf... Read More about A Review of Primary Mine Ventilation System Optimization.

Discrete element modelling of a rock cone crusher (2014)
Journal Article

The feasibility of the discrete element method to model the performance of a cone crusher comminution machine has been explored using the particle replacement method (PRM) to represent the size reduction of rocks experienced within a crusher chamber.... Read More about Discrete element modelling of a rock cone crusher.

Liquid film thickness behaviour within a large diameter vertical 180° return bend (2013)
Journal Article

Experimental results of liquid film thickness distribution of an air-water mixture flowing through a vertical 180° return bend are reported. Measurements of liquid film thickness were achieved using flush mounted pin and parallel wire probes. The ben... Read More about Liquid film thickness behaviour within a large diameter vertical 180° return bend.

Experimental study of the hydrodynamic behaviour of slug flow in a vertical riser (2013)
Journal Article

This paper presents an investigation of the hydrodynamics of slug flow in a vertical 67 mm internal diameter riser. The slug flow regime was generated using a multiphase air–silicone oil mixture over a range of gas (0.42