Botswana International University of Science & Technology

Research Output 1970 2020

Filter
Conference contribution
2007
2 Citations (Scopus)

Towards a bilingual SMS parser for HIV and AIDS information retrieval in Botswana

Anderson, G., Asare, S. D., Ayalew, Y., Garg, D., Gopolang, B., Masizana-Katongo, A., Mogotlhwane, O., Mpoeleng, D. & Nyongesa, H. O., 2007, 2007 International Conference on Information and Communication Technologies and Development, ICTD 2007. p. 329-333 4937420

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Open Access
SMS
Botswana
Information services
Information retrieval
information retrieval

Validation of nitric acid retrieved by the IMK-IAA processor from MIPAS/ENVISAT measurements

Wang, D. Y., Höpfner, M., Mengistu Tsidu, G., Stiller, G. P., Von Clarmann, T., Fischer, H., Blumenstock, T., Glatthor, N., Grabowski, U., Hase, F., Kellmann, S., Linden, A., Milz, M., Oelhaf, H., Schneider, M., Steck, T., Wetzel, G., López-Puertas, M., Funke, B., Koukouli, M. E. & 12 others, Nakajima, H., Sugita, T., Irie, H., Urban, J., Murtagh, D., Santee, M. L., Toon, G., Gunson, M. R., Irion, F. W., Boone, C. D., Walker, K. & Bernath, P. F., Feb 1 2007, Proceedings of the Third Workshop on the Atmospheric Chemistry Validation of Envisat (ACVE-3). SP-642 ed.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

MIPAS
atmospheric sounding
Michelson interferometers
nitric acid
Nitric acid
2006

Conjunctive use of geophysical techniques in optimizing the groundwater potential in the Kunyere and Gomoti areas of the Okavango Delta, Botswana

Shemang, E. M., Molwalefhe, L. N. & Ntsatsi, J., 2006, 19th Symposium on the Application of Geophysics to Engineering and Environmental Problems, SAGEEP 2006: Geophysical Applications for Environmental and Engineering Hazzards - Advances and Constraints. Vol. 1. p. 871-885 15 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Botswana
aquifers
ground water
Aquifers
Groundwater

Heat transfer in internal flows of non-linear fluids: A review

Siginer, D. A. & Letelier, M. F., 2006, Proceedings of 2006 ASME International Mechanical Engineering Congress and Exposition, IMECE2006 - Fluids Engineering Division. American Society of Mechanical Engineers (ASME)

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Heat transfer
Fluids
Elasticity
Secondary flow
Polymer solutions

Heat transfer in laminar tube flow of a class of non-affine viscoelastic fluids

Siginer, D. A. & Letelier, M. F., 2006, Proceedings of ASME Fluids Engineering Division Summer Meeting 2006, FEDSM2006. Vol. 1 SYPMOSIA. p. 1459-1466 8 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Pipe flow
Heat transfer
Fluids
Elasticity
Shear thinning

In-situ carbon dioxide generation for oil recovery: Experimental study of pressure and temperature variations during stoichiometric reaction

Bakhtiyarov, S. I., Panakhov, G. M., Shakhverdiev, A. K., Abbasov, E. M. & Siginer, D., Jan 1 2006, Proceedings of 2006 ASME International Mechanical Engineering Congress and Exposition, IMECE2006 - Fluids Engineering Division. American Society of Mechanical Engineers (ASME)

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Carbon dioxide
Rocks
Recovery
Carbonates
Temperature
3 Citations (Scopus)

Oscillatory flow of magnetorheological fluids in pipes

Letelier, M. F. & Siginer, D. A., Jan 1 2006, Proceedings of 2006 ASME International Mechanical Engineering Congress and Exposition, IMECE2006 - Fluids Engineering Division. American Society of Mechanical Engineers (ASME)

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Magnetorheological fluids
Yield stress
Pipe
Magnetic fields
Fluids

Study of NOx reduction in counter-current chromatographic reactor

Cristian, B. J. C. & Agachi, P. S., Dec 1 2006, 2006 IEEE International Conference on Automation, Quality and Testing, Robotics, AQTR. p. 102-106 5 p. 4022828

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Reactor operation
Selective catalytic reduction
Emission control
Computer simulation
Heat transfer coefficients
2005
3 Citations (Scopus)

A real-time approach for moving horizon estimation based nonlinear model predictive control of a fluid catalytic cracking unit

Nagy, Z. K., Roman, R., Agachi, S. P. & Allgoewer, F., 2005, 7th World Congress of Chemical Engineering, GLASGOW2005, incorporating the 5th European Congress of Chemical Engineering - Congress Manuscripts. p. 504 1 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Fluid catalytic cracking
Model predictive control
Feedback
Real time control
Chemical engineering

Extraction of buildings in informal settlement areas from high-resolution data

Mayunga, S. D., Zhang, Y. & Coleman, D. J., 2005, American Society for Photogrammetry and Remote Sensing - Annual Conference 2005 - Geospatial Goes Global: From Your Neighborhood to the Whole Planet. Vol. 2. p. 691-702 12 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

informal settlement
photogrammetry
snake
topographic mapping
computer vision

Geophysical investigation of the groundwater regimes in the lower Okavango Delta, Northwestern Botswana

Shemang, E. M., Molwalefhe, L. N., Kumar, H., Bakaya, T. & Ntsatsi, J., 2005, 18th Symposium on the Application of Geophysics to Engineering and Environmental Problems, SAGEEP 2005: Geophysical Solutions for Today's Challenges. Vol. 1. p. 476-487 12 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Botswana
aquifers
fresh water
ground water
Aquifers
6 Citations (Scopus)

Mathematical modelling of magneto-hydrodynamic dampers with time-varying fluid properties

Letelier, M. F., Rouliez, J. P., Siginer, D. A. & Corral, O. F., Dec 1 2005, American Society of Mechanical Engineers, Fluids Engineering Division (Publication) FED. Vol. 261 FED. p. 913-918 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Hydrodynamics
Fluids
Magnetic fields
Yield stress
Damping

Modelling income poverty in the Geographic Targeting Geo-Information System

Akinyemi, F. O., 2005, Proceedings 2005 - The 8th AGILE International Conference on Geographic Information Science, AGILE 2005.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Geographic information systems
targeting
poverty
information system
Information systems
1 Citation (Scopus)

Neural networks used for model predictive control of the fluid catalytic cracking unit

Cristea, V. M., Toma, L. & Agachi, S. P., 2005, 7th World Congress of Chemical Engineering, GLASGOW2005, incorporating the 5th European Congress of Chemical Engineering - Congress Manuscripts. p. 55 1 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Fluid catalytic cracking
Model predictive control
Neural networks
Disturbance rejection
Chemical engineering
3 Citations (Scopus)

Reaction cross sections for protons on 12C, 40Ca, 90Zr, and 208Pb at energies between 80 and 180 MeV

Lantz, M., Jacobs, M. N., Auce, A., Carlson, R. F., Cowley, A. A., Förtsch, S. V., Hillhouse, G. C., Ingemarsson, A., Johansson, R., Lawrie, K. J., Shachno, M. J., Smit, F. D., Stander, A., Steyn, G. F., Tibell, G. & Van Zyl, J. J., May 24 2005, International Conference on Nuclear Data for Science and Technology. Vol. 769. p. 846-849 4 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

protons
cross sections
proton energy
energy
predictions
2004

Design of locomotive location indicator communication system

Oranye, N., Masupe, S., Chuma, J. M. & Sebusang, S. E. M., 2004, 2004 IEEE AFRICON: 7th AFRICON Conference in Africa: Technology Innovation. Vol. 2. p. 1269-1273 5 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Locomotives
Communication systems
Global positioning system
Axles
Agriculture
4 Citations (Scopus)

Internet-based interactive remote laboratory for educational experiments

Nagy, Z. K. & Agachi, S. P., 2004, 2004 AIChE Annual Meeting, Conference Proceedings. p. 9855-9864 10 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Chemical engineering
Internet
Students
Experiments
1 Citation (Scopus)

Small, low cost and high performance filters for mobile telecommunication

Chuma, J. M., Mirshekar, D., Masupe, S. & Kepaletswe, T., 2004, 2004 IEEE AFRICON: 7th AFRICON Conference in Africa: Technology Innovation. Vol. 2. p. 1011-1013 3 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Mobile phones
Base stations
Telecommunication
Communication
Air
2003

Flows in Manufacturing Processes: Introduction

Siginer, D. A., Watanabe, K., Bourgin, P., Iwamoto, J. & Bakhtiyarov, S. I., Dec 1 2003, Proceedings of the 4th ASME/JSME Joint Fluids Engineering Conference: Volume 2, Part C, Symposia. Ogut, A., Tsuji, Y., Kawahashi, M., Ogut, A., Tsuji, Y. & Kawahashi, M. (eds.). Vol. 2 C. 1 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

12 Citations (Scopus)

From Crash Tolerance to Authenticated Byzantine Tolerance: A Structured Approach, the Cost and Benefits

Mpoeleng, D., Ezhilchelvan, P. & Speirs, N., 2003, Proceedings of the International Conference on Dependable Systems and Networks. p. 227-236 10 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Common object request broker architecture (CORBA)
Middleware
Semantics
Communication
Costs
1 Citation (Scopus)

Mineral Processing Plant Simulator in Continuous Surface Mining

Frimpong, S., Er, G. K. & Suglo, R. S., 2003, 12th International Symposium on Mine Planning and Equipment Selection. 1 ed. p. 365-368 4 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Open pit mining
Ore treatment
Simulators
Random processes
Processing

Review of the secondary flows of complex fluids

Siginer, D. A., 2003, Proceedings of the 4th ASME/JSME Joint Fluids Engineering Conference: Volume 1, Part C, Forums. Ogut, A., Tsuji, Y., Kawahashi, M., Ogut, A., Tsuji, Y. & Kawahashi, M. (eds.). Vol. 1 C. p. 1843-1854 12 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Secondary flow
Fluids
Flow of fluids
Viscoelastic Substances
Shearing
2002

Heat transfer in steady viscoelastic flow in pipes of complex shapes

Letelier, M. F., Mardoñez, A. & Siginer, D. A., 2002, Fluids Engineering. American Society of Mechanical Engineers (ASME), p. 283-289 7 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Steady flow
Pipe
Heat transfer
Fluids
Secondary flow

Secondary Flows of Viscoelastic Fluids in Tubes

Siginer, D. & Letelier, M. F., 2002, Proceedings: Applied Mechanics in the Americas. American Academy of Mechanics, Vol. 9. p. 261-264 4 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Open Access
Secondary flow
Flow of fluids
Pressure gradient
Pipe
Viscosity

Steady secondary flows of Phan-Thien-Tanner fluids in the vicinity of a corner

Letelier, M. F., Acosta, M., Córdova, J. & Siginer, D. A., 2002, Fluids Engineering. American Society of Mechanical Engineers (ASME), p. 291-295 5 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Secondary flow
Fluids
Pressure gradient
Relaxation time
2000

Photogrammetry and GIS technol 1ogies for monitoring coastal erosion Along Dar es Salaam Coastline

Masele, Z. Y., Mayunga, S. D., K.J., B. (ed.), J., C. (ed.) & G., R-F. (ed.), 2000, International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences: ISPRS Archives. Vol. 33. p. 836-842 7 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

coastal erosion
photogrammetry
coastal zone
GIS
soil erosion

Stacked and planar dual-mode filters using dielectric loaded rectangular cavity resonator

Mirshekar-Syahakal, D., Sim, C. W. & Chuma, J. M., Jan 1 2000, ICMMT 2000 - 2000 2nd International Conference on Microwave and Millimeter Wave Technology. Institute of Electrical and Electronics Engineers Inc., p. 100-103 4 p. 895630

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Cavity resonators
Resonators
Elliptic filters
Specifications
1997

Solar energy for high grade thermal applications in the tropical region

Oladiran, M. T., 1997, Solar Engineering. Claridge, D. E. & Pacheco, J. E. (eds.). ASME, p. 405-410 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

solar energy
tropical region
tropical regions
Solar energy
Tropics
1995

Minimax method for the inversion of Fredholm equations of the first kind and the determination of linear relaxation spectra

Yanovsky, Y. G., Basistov, Y. A. & Siginer, D. A., 1995, Developments and Applications of Non-Newtonian Flows. ASME, Vol. 231. p. 39-52 14 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Viscometers
Viscoelasticity
Integral equations
Experiments

Resonance-like behavior of viscoelastic fluids in periodically driven tube flows

Andrienko, Y. A., Yanovsky, Y. G. & Siginer, D. A., 1995, Developments and Applications of Non-Newtonian Flows. ASME, Vol. 231. p. 217-223 7 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Pipe flow
Fluids
Pressure gradient
Flow velocity
Relaxation time
1994
6 Citations (Scopus)

Natural convection of viscoelastic liquids

Siginer, D. A. & Valenzuela-Rendon, A., 1994, Numerical Methods for Non-Newtonian Fluid Dynamics. Publ by ASME, Vol. 179. p. 31-39 9 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Natural convection
Fluids
Aspect ratio
Liquids
Grashof number

On the instability of the fluids of second grade in nearly viscometric motions

Siginer, D. A., 1994, Developments in Non-Newtonian Flows. ASME, Vol. 206. p. 17-30 14 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Angular velocity
Fluids
Elasticity
Aspect ratio
Flow fields
1993

Constitutive theory for macromolecular media

Siginer, D. A. & Yanovsky, Y. G., 1993, Developments in Non - Newtonian Flows. Siginer, D. A., VanArsdale, W. E., Altan, C. M. & Alexandrou, A. N. (eds.). Publ by ASME, Vol. 175. p. 35 1 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Macromolecules
Data storage equipment
Fluids
1992

Buoyancy driven non-Newtonian flows in enclosures

Valenzuela-Rendon, A. & Siginer, D. A., 1992, Recent Advances in Non-Newtonian Flows. Publ by ASME, Vol. 153. p. 67-74 8 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Non Newtonian flow
Buoyancy
Enclosures
Grashof number
Shear thinning
1991
6 Citations (Scopus)

Effect of nozzle inclination on jet-impingement heat transfer in a confined cross-flow

Ward, J., Oladiran, M. T. & Hammond, G. P., Dec 1 1991, Fundamentals of Forced Convection Heat Transfer. Publ by ASME, Vol. 181. p. 25-31 7 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Nozzles
Heat transfer
Sublimation
Naphthalene
Flow velocity
1990

On a class of unsteady motions of elastico-viscous liquids

Siginer, D. A., 1990, Forum on Unsteady Flow - 1990. Sherif, S. A., Morrow, T. B., Marshall, L. R. & Dalton, C. (eds.). Publ by ASME, Vol. 102. p. 35-37 3 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Fourier series
Liquids
Pressure gradient
Strain rate
Fluids
1983

USE OF STABILISERS AND MULCHES IN THE REVEGETATION OF METALLIFEROUS MINE WASTES.

Morrey, D. R., Cooke, J. A. & Baker, A. J. M., 1983, Unknown Host Publication Title. CEP Consultants Ltd, p. 996-1000 5 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Revegetation
Tailings
Erosion
Fluorspar
Dewatering