RESEARCH INTERESTS
Fluid mechanics, flow visualization, multiphase flows and computational fluid dynamics with applications to industrial problems.
RECENT SELECTED PUBLICATIONS
- S. Mokamati, J.A. Olson, D.M. Martinez and R.W. Gooding, “Experimental study of turbulent crossflow near a rough wall with suction”, AIChE J (May 2008)
- P.J. Krochak, J. A. Olson and D. M. Martinez, “One-dimensional orientation of semi-dilute rigid fibres suspensions in a linearly contracting channel”, Phys. Fluids(May 2008)
- D.M. Martinez, D.J. Seo, and J. Jong “Viscous flow of a Newtonian fluid in a curved channel with flexible moving porous walls” Chem Eng Sci 63(7):1882-1889 (2008)
- Putz, T. Burgehla, I.A. Frigaard and D.M. Martinez, “Settling of an isolated spherical particle in a yield stress fluid” Phys. Fluids 20: 033102 (2008)
- T. Burghelea, K. Wielage-Burchard, I. A. Frigaard, D. M. Martinez and J. J. Feng, “A novel shear flow instability triggered by a chemical reaction in the absence of inertia” Phys. Fluids 19: 083102-1 (2007)
- J. Salmela, D. M. Martinez and M. Kataja, “Sedimentation of dilute and semi-dilute rigid fibre suspensions at finite Re” AIChE J. 53(8):1916-1923 (2007)
- S. Heath, K. Buckley, D.M. Martinez, S. Lapi, J.A. Olson and T.J. Ruth, “Observations of the flow of a fibre suspension through a sudden expansion using positron emission tomography” AIChE J. 53(2):1-8 (2007)
- C.K. Huen, I.A. Frigaard and D.M. Martinez, “Experimental studies of multi-layer flows using a visco-plastic lubricant” J. Non-Newtonian Fluid Mech., 142:150-161 (2007)
- Y. Li, J.A. Olson, D. M. Martinez and R. W. Gooding, “Experimental measurement of the power consumed by a rotor in a laboratory pulp pressure screen”, J Pulp Pap Sci 33(2):85-88 (2006)
- Deng and D. M. Martinez, “Towards an understanding of the flow at the edge of a porous medium” J Pulp Pap Sci 32(4):195-200 (2006)
- E.W.K. Young, D. M. Martinez, J.A. Olson, V. Sossi, K. Buckley, S. Jivan and T.J Ruth, “Sedimentation of papermaking fibres”, AIChE J 52(8): 2697-2706 (2006)
- P. Francis, D. M. Martinez, F. Taghipour, B. D. Bowen and C. A. Haynes, “Optimizing the rotor design for controlled-affinity filtration using computational fluid dynamics”, Biotech Bioeng 95(6):1207-1217 (2006)
- M.P. Landry, I.A. Frigaard and D. M. Martinez, “Stability and instability of taylor-couette flows of a Bingham fluid”, J Fluid Mech 560:321-353 (2006)
OTHER AFFILIATIONS/MEMBERSHIPS
- Swedish Paper and Cellulose Engineers Association - SPCI
- Pulp and Paper Technical Association (Canada) - PAPTAC
- Institute of Applied Mathematics
- Complex Fluid Laboratory
TEACHING
- CHBE 230 - Computational Methods
- CHBE 251 - Transport Phenomena I
- CHBE 401 - Mechanical Pulping and Papermaking
- CHBE 557 – Fluid Mechanics
CURRENT RESEARCH PROJECTS
- Particle tracking in opaque suspensions with applications to pulp and paper processing flows (NSERC/Discovery Grant)
- Smart spacers for extended reach horizontal well cementing in offshore BC (NSERC)
- Power Consumption in Pressure Screens (NSERC CRD)
- Optimization of Mechanical Pulp Quality in Multi-Stage Reject Refining Systems (NSERC CRD/Norske - Canada)
- Low Cost Method to Optimize the formation potential of papermaking furnishes (NSERC CRD/Paprican)
- Electrical Energy reduction in mechanical pulping and pulp processing (NSERC CRD/BC Hydro)
- Dewatering of Flocculated Suspensions (METSO Corp.)
- Displacement and Mixing in Well Construction Flows (NSERC CRD/Schlumberger)
Dr. Mark Martinez’s research activities focus essentially on the
behavior of papermaking fibre suspensions. These suspensions often
exhibit complex behavior not seen in ordinary fluids such as water.
Dr. Martinez uses both novel visualization techniques, such as
positron emission tomography (PET) and pulsed ultrasound Doppler
anemometry, and computational fluid dynamics to help elucidate the
mechanism by which these suspensions flow. Dr. Martinez is a member of
the Institute of Applied Mathematics and has active collaborations
with researchers in Mechanical Engineering, Mathematics and TRIUMF.
Photo to the left: Utilization of a flowing pulp fibre suspension through an axisymmetric sudden expansion (courtesy of Dr. Martinez)
RECENT AWARDS
- Lieutenant Governor's Technology Innovation Award, BC Innovation Council 2008
- 2007 NSERC Synergy Award [with Professors James Olson (Principal) and Carl Olivier-Gooch, AFT and Canfor]
