A modified cyclone stickiness test for characterizing food powders (2009)
Intipunya, P., Shrestha, A., Howes, T., Bhandari, B.
cyclone stickiness test device from a preliminary work was modified and used for characterizing stickiness behaviour of food powders. This test device employed the principle of particle dynamics in...
LDAP Control Extension for Simple Paged Results Manipulation (2007)
This document describes an LDAPv3 control extension for simple paging of search results. This control extension allows a client to control the rate at which an LDAP server returns the results of an...
Status of this Memo X.500 Lightweight Directory Access Protocol (2007)
This RFC specifies an IAB standards track protocol for the Internet community, and requests discussion and suggestions for improvements. Please refer to the current edition of the "IAB...
The X.500 Directory uses distinguished names as the primary keys to entries in the directory. Distinguished Names are encoded in ASN.1 in the X.500 Directory protocols. In the Lightweight Directory...
Status of this Memo Schema Publishing in X.500 Directory (2007)
The X.500 directory provides a powerful mechanism for storing and retrieving information about objects of interest. To interpret the information stored in the directory, the schema must be known to...
Lightweight Directory Access Protocol (v3): Attribute Syntax Definitions (2007)
The Lightweight Directory Access Protocol (LDAP) [1] requires that the contents of AttributeValue fields in protocol elements be octet strings. This document defines a set of syntaxes for LDAPv3, and...
A novel nucleation apparatus for regime separated granulation (2007)
Wildeboer, W. J., Koppendraaier, E., Litster, J. D., Howes, T., Meesters, G.
A novel nucleation apparatus is presented for the production of narrow sized nuclei from various powder and binder liquid combinations. Mono-sized binder liquid droplets are produced by a specially...
Simulation of the cake formation and growth in cake filtration (2006)
Ni, L. ., Yu, A. B., Lu, G. Q., Howes, T.
A computer model was developed to simulate the cake formation and growth in cake filtration at an individual particle level. The model was shown to be able to generate structural information and...
Applications of Thermal Mechanical Compression Tests in food powder analysis (2006)
Boonyai, P., Bhandari, B., Howes, T.
A new Thermal Mechanical Compression Test (TMCT) was applied for glass-rubber transition and melting analyses of food powders and crystals. The TMCT technique measures the phase change of a material...
Surface tack measurements on drying droplets (2006)
Litster, J D, Van Der Hoeven, M. J., Cameron, I T, Howes, T, Meesters, G M H, Wildeboer, W J
Influence of surface tack of food products on agglomeration in spray drying (2006)
Van Der Hoeven, M. J., Litster, J D, Howes, T, Meesters, G M H, Wildeboer, W J
Descoins, N., Dirion, J. L., Howes, T.
Experiments for the investigation of the flow of granular solids in a pyrolysis pilot-scale rotary kiln are presented. These experiments consisted first in measuring the volumetric filling ratio...
Effect of initial disturbance amplitude in gravity affected jet break-up (2005)
The initial disturbance amplitude has an effect on stretching jets that is not observed for capillary jet instability where gravitational acceleration is not significant. For inviscid and viscous...
Capillary jet instability under the influence of gravity (2004)
The focus of this paper is on the effect of gravity stretching on disturbed capillary jet instability. Break-up and droplet formation under low flows are simulated using finite difference solution of...
Nopharatana, M., Mitchell, D. A., Howes, T.
In order to develop a method for use in investigations of spatial biomass distribution in solid-state fermentation systems, confocal scanning laser microscopy was used to determine the concentrations...
Nopharatana, M., Mitchell, D. A., Howes, T.
Two methods were compared for determining the concentration of penetrative biomass during growth of Rhizopus oligosporus on an artificial solid substrate consisting of an inert gel and starch as the...
Effect of lifter design on drying performance in rotary dryers (2003)
Driver, J., Hardin, M. T., Howes, T., Palmer, G.
Lifter use in dryers improves mass transfer by increasing the amount of surface area available for transfer and also by increasing the velocity of gas over the particle surface. An even...
Drop penetration into porous powder beds (2002)
Hapgood, K. P., Litster, J. D., Biggs, S. R., Howes, T.
The kinetics of drop penetration were studied by filming single drops of several different fluids (water, PEG200, PEG600, and HPC solutions) as they penetrated into loosely packed beds of glass...
Instabilities and drop formation in cylindrical liquid jets in reduced gravity (2002)
Edwards, APR, Osborne, BP, Stoltzfus, JM, Howes, T, Steinberg, TA
The effects of convective and absolute instabilities on the formation of drops formed from cylindrical liquid jets of glycerol/water issuing into still air were investigated. Medium-duration reduced...
Polymer product engineering utilising oscillatory baffled reactors (2002)
Ni, X. W., Murray, K. R., Zhang, Y. M., Bennett, D., Howes, T.
The Oscillatory baffled reactor (OBR) can be used to produce particles with controlled size and morphology, in batch or continuous flow. This is due to the effect of the superimposed oscillations...
On the effect of tracer density on axial dispersion in a batch oscillatory baffled column (2002)
Ni, X. W., De Gelicourt, Y. S., Neil, J., Howes, T.
In this paper, we report our modelling evaluation on the effect of tracer density on axial dispersion in a batch oscillatory baffled column (OBC). Tracer solution of potassium nitrite, its specific...
Experimental study of drop-interface coalescence in the presence of polymer stabilisers (2002)
He, YH, Howes, T, Litster, JD, Ko, GH
An experimental study has been carried out to characterise the performance of polymer stabilisers, partially hydrolysed polyvinyl acetate (PVAc), used in suspension polymerisation processes. The...
Mass transfer correlations for rotating drum bioreactors (2002)
Hardin, M. T., Howes, T., Mitchell, D. A.
Evaporative cooling is extremely important for large-scale operation of rotating drum bioreactors (RDBs). Outlet water vapour concentrations were measured for a RDB containing wet wheat bran with the...
Hardin, M. T., Howes, T., Mitchell, D. A., Whittaker, A. K.
Magnetic resonance imaging (MRI) is an easily automated, reliable technique to investigate axial mixing within rotating drums. Moist bran can be clearly differentiated from dry bran using MRI...
An Analytic Simplification for the Reconstruction Problem of Electrical Impedance Tomography (2002)
Belward, C., Howes, T., Forbes, L. K.
This paper introduces a new reconstruction algorithm for electrical impedance tomography. The algorithm assumes that there are two separate regions of conductivity. These regions are represented as...
Long term monitoring of estuarine water quality: Brisbane River turbidity (2002)
Howes, T., Lemckert, Charles James, Moss, A.
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Residence time distributions of gas flowing through rotating drum bioreactors (2001)
Hardin, M. T., Howes, T., Mitchell, D. A.
Residence time distribution studies of gas through a rotating drum bioreactor for solid-state fermentation were performed using carbon monoxide as a tracer gas. The exit concentration as a function...
Suspended Sediment Dynamics in a Highly Modified Microtidal Estuary (2001)
Hollywood, Sampson, Lemckert, Charles James, Howes, T., Neumann, L.
Coastal CRC training needs analysis (2001)
Smith, T F, Whelan, J, Shaw, R, Fien, J, Leijten, T, Howes, T, ...
Hardin, M. T., Mitchell, D. A., Howes, T.
The development of large-scale solid-stale fermentation (SSF) processes is hampered by the lack of simple tools for the design of SSF bioreactors. The use of semifundamental mathematical models to...
Characterizing mixing in a rotating drum bioreactor for solid-state fermentation (2000)
Marsh, AJ, Stuart, DM, Mitchell, DA, Howes, T
A method, based on the use of wheat bran particles dyed with Rhodamine-WT as tracer particles, was developed to characterize mixing in a 200 l rotating drum bioreactor used for solid state...
Glass transition in processing and stability of food (2000)
Many dry food products are predominantly in an amorphous glassy state where the amorphous solid has the property of a solution. Molecules are fixed and the molecular mobility is halted at this state....
Adhikari, B, Howes, T, Bhandari, BR, Truong, V
Levitation and free-flight techniques applied to investigate the drying kinetics and morphology of single drops containing dissolved solids and suspensions are reviewed. A review of works related to...
Implication of glass transition for the drying and stability of dried foods (1999)
Dry products obtained from most of the common drying processes are predominantly in a glassy amorphous form. The mobility of the solid matrix in this state is highly limited. For the product to be...
Ashley, VM, Mitchell, DA, Howes, T
Normal operation of packed bed bioreactors used for solid-state fermentation involves a static bed aerated from the bottom throughout the fermentation. This leads to axial temperature profiles with...
Flow and axial dispersion simulation for traveling axisymmetric Taylor vortices (1998)
Numerical experiments using a finite difference method were carried out to determine the motion of axisymmetric Taylor vortices for narrow-gap Taylor vortex flow. When a pressure gradient is imposed...
Two dimensional computational fluid dynamic models for waste stabilisation ponds (1998)
Wood, MG, Howes, T, Keller, J, Johns, MR
Traditional waste stabilisation pond (WSP) models encounter problems predicting pond performance because they cannot account for the influence of pond features, such as inlet structure or pond...
Modelling fungal growth on surfaces (1998)
Nopharatana, M, Howes, T, Mitchell, D
Fungal growth in time and space at the substrate surface was modelled for a simple system mimicking solid-state fermentation, using a polycarbonate Nucleopore membrane laid over a glucose solution....
O-2 uptake during solid-state fermentation in a rotating drum bioreactor (1998)
Marsh, AJ, Mitchell, DA, Stuart, DM, Howes, T
The maximum O-2 uptake by Rhizopus oligosporus grown in a 200 litre rotating drum bioreactor at 0.5 rpm ranged from 6.7 to 7.6 mmol per min per kg initial dry substrate (IDS), for runs done with 4...
A MIME Content-Type for Directory Information (1998)
This document defines a MIME Content-Type for holding directory information. The definition is independent of any particular directory service or protocol. The text/directory Content-Type is defined...
Simulation of mixing in unsteady flow through a periodically obstructed channel (1997)
Fluid mixing in steady and unsteady Bow through a channel containing periodic square obstructions has been studied using a finite-difference simulation to determine fluid velocities, followed by the...
Hydraulic tracer studies in a pilot scale subsurface flow constructed wetland (1997)
King, AC, Mitchell, CA, Howes, T
Current design procedures for Subsurface Flow (SSF) Wetlands are based on the simplifying assumptions of plug flow and first order decay of pollutants. These design procedures do yield functional...
Self-organization with traveling waves: A case for a convective torus (1997)
Martincigh, BS, Chinake, CR, Howes, T, Simoyi, RH
A traveling wave of BaSO4 in the chlorite-thiourea reaction has shown concentric precipitation patterns upon being triggered by the autocatalyst HOCl. The precipitation patterns show circular rings...