Dale Roach

Teaching Professor

BScEng, PhD, PEng

Department of Engineering

Irving Hall 219

Saint John

1 506 648 5823


BScE.ME (1996), PhD (2001), DUT (2007)

Research interests
  • Engineering design
  • Fluid mechanics
  • Engineering education

Teaching interests

  • Thermo-fluids
  • Computer aided engineering
  • Engineering design


  • Departmental Award for Teaching Excellence (Dept. of Engineering, UNB Saint John) (2020)
  • Outstanding Educator Award, Association of Professional Engineers and Geoscientists of New Brunswick (2017)
  • Best Presentation Award – Clute Institute, 2016 International Conference on Business Las Vegas, Las Vegas, NV, USA (2016)
  • Anne Marie MacKinnon Award for Educational Leadership, Association of Atlantic Universities (2015)
  • Neil Scott Educational Leadership Award, University of New Brunswick (2014)
  • Faculty Excellence Award for Teaching (Faculty of Science, Applied Science, and Engineering, UNB Saint John) (2013)
  • UNB Merit Award (2011)
  • Departmental Award for Teaching Excellence (Dept. of Engineering, UNB Saint John) (2009)
  • Best Paper Award - 11th World Scientific and Engineering Academy and Society (WSEAS) International Conference on Mathematical Methods, Computational Techniques and Intelligent Systems (MAMECTIS '09)
  • UNB Merit Award (2004)

Selected publications

Roach, D.C. (In Preparation) “Simulation of Error Survival in the Design Process”

Roach, D.C., Hamdan, M.H. (In preparation) “Flow Governed by Generalized Brinkman’s Equation Through an Inclined Variable Permeability Porous Channel”

Hamdan, M.H. and Roach, D.C. (2022) Puiseux and Taylor Series of the Einstein Functions and Their Role in the Solution of Inhomogeneous Airy’s Equation, WSEAS Transactions on Mathematics, Vol. 21, pp. 395-402

Hamdan, M.H., Dajani, S.J., Roach, D.C. (2022) “Asymptotic Series Evaluation of Integrals Arising in the Particular Solutions to Airy’s Inhomogeneous Equation with Special Forcing Functions”, WSEAS Transactions on Mathematics, Vol. 21, pp. 303-308

Roach, D.C, Hamdan, M.H. (2022) “Connecting Einstein Functions to the Nield-Kuznetsov and Airy’s Functions”, Equations, Vol. 2, pp. 48-53

Hamdan, M.H., Roach, D.C. (2022) “The Sigmoid Neural Network Activation Function and its Connections to Airy's and the Nield-Kuznetsov Functions”, Proof, Vol. 2, pp. 108-114

Roach, D.C, Hamdan, M.H. (2022) “Interfacial Velocities, Slip Parameters and Other Theoretical Expressions Arising in the Beavers and Joseph Condition”, WSEAS Transactions on Fluid Mechanics, Vol. 17, pp. 68-78

Roach, D.C., Hamdan, M.H. (2022) “On the Sigmoid Function as A Variable Permeability Model for Brinkman Equation”, WSEAS Transactions on Applied and Theoretical Mechanics, Vol. 17, pp 29-38

Hamdan, M.H., Roach, D.C., Silva-Ze, R., Erazo-Bone, R., Chuchuca-Aguilar, F., Escobar-Segovia, K, (2020) “On the Flow of a Dusty Gas Through a Channel Over a Porous Layer Saturated with a Dusty Gas”, IOSR Journal of Engineering (IOSRJEN), ISSN (e): 2250-3021, ISSN (p): 2278-8719 Vol. 10, Issue 9, September 2020, pp 35-44

Roach, D.C., Abu Zaytoon, M.S., Hamdan, M.H. (2016) “On the Flow of Dusty Gases with Pressure-Dependent Viscosities through Porous Structures”, International Journal of Enhanced Research in Science, Technology & Engineering, Vol. 5, Issue 9, p. 46-54

Gupta, A.K., Roach, D.C., Rinehart, S.M., Best, L.A. (2015) “Decision Making Impacts on Energy Consumption Display Design”, Journal of Energy Technology and Policy, Vol. 2, Issue 1, p. 133-142.

Roach, D.C., Holloway, A.G.L. (2009) “Combined Effects of Flow Curvature and Rotation on Uniformly Sheared Turbulence”, Journal of Fluid Mechanics, Vol. 628, p. 371-394

Holloway, A.G.L., Roach, D.C. (2005) “Combined Effects of Favourable Pressure Gradient and Streamline Curvature on Uniformly Sheared Turbulence”, Journal of Fluid Mechanics, Vol. 526, p. 303-336

Newling, B., Poirier, C. ,Yang Zhi, Rioux, J., Coristine, A., Roach, D., Balcom, B. “Velocity Imaging of Highly Turbulent Gas Flow”, Physical Review Letters, Vol. 93, No. 15, Image on front cover, October 5, 2004