Canonical public biography · Khalid Saqr

Khalid Saqr

The only way to predict the future is to build it

Canonical URL: https://khalid-saqr.github.io/khalid-saqr/

Overview

A reader arriving at Khalid Saqr’s public record in 2026 would first meet a scientist asking a narrow but consequential question: what does a living artery receive from the flow inside it? His latest work on Womersley flow, picoNewton-scale force and resonant spectral cascade made fluid mechanics a language for asking how living tissue may sense motion1,2.

The 2026 question

By 2026, Saqr was no longer treating blood flow only as something to calculate. The question had become more biological: which part of a changing flow field is actually received by cells at the vessel wall? A transverse picoNewton force in anisotropic Womersley flow suggested a physical scale at which pulsatile mechanics could matter for cellular sensing1. A resonant spectral cascade triggered by arterial geometry connected vessel shape, pulsatile motion and spectral organisation in one explanation2.

The complex pulsatile blood flow in arteries presses, fluctuates, rotates and changes near living tissue. For a specialist, the observation is sharper: legacy hemodynamic markers may not be enough if the biological system is responding to a more specific mechanical signal.

The vascular anomaly

The immediate path to that question ran through a series of vascular studies in which familiar assumptions became less secure. Experiments on wall compliance showed that a flexible aneurysm wall can change pulsatile flow behaviour3, and later patient-specific aneurysm studies connected wall elasticity to instability and wall shear stress4,5. Work on carotid stenosis and stenting showed that treatment can alter near-wall turbulence, not only the shape of the vessel6.

The decisive anomaly was turbulence in physiological blood flow. Saqr’s 2020 paper argued that blood flow in the body can be turbulent7. Later work asked whether vascular turbulence follows the classical Kolmogorov picture or whether it has a different spectral character with possible mechanobiological significance8. Energy-cascade analysis in an internal carotid artery bifurcation gave this question a vascular setting by comparing pulsatile Newtonian and power-law models9.

The living wall was therefore no longer just a boundary in a calculation. Endothelial studies connected disturbed-flow characteristics to epigenetic response and mechano-miRNAs10. Bone-remodelling work, outside the artery but within the same mechanics-of-tissue world, reinforced the wider lesson that biological material responds to coupled mechanics, morphology and flow11.

When CFD became a problem about knowledge

From 2018 onward, Saqr began to see blood-flow CFD as more than a technical application of engineering software. The deeper he moved into intracranial haemodynamics, the more the difficulty seemed theoretical: perhaps the established model choices were not fully adequate for the behaviour of living flow.

Doppler evidence for non-Newtonian intracranial blood flow had already suggested that cerebral blood could not always be treated as a simple engineering liquid12. Aneurysm-viscosity studies then tested how Newtonian, power-law and quasi-mechanistic models change the interpretation of vascular flow13,14,15. Moyamoya studies connected transient ischaemic attacks to haemodynamic complexity in diseased cerebral vessels16,17. A critical review of intracranial aneurysm CFD asked what the field had really learned from its simulations18.

This period changed the intellectual direction of the career. The problem was no longer only whether one simulation was accurate. It was how a scientific field decides that a model is adequate. That is where Thomas Kuhn became more than a historical reference. The first version of the later KGX3 concern appeared as soph.io: an attempt to represent claims, evidence and scientific transitions in a form that could be inspected rather than merely asserted.

Tohoku University and the technology world

The Tohoku University years placed Saqr’s neurovascular work in a setting where science, medicine and technology assessment were closely connected. Studies of aneurysms, Moyamoya disease, physiological turbulence and wall response created expertise relevant to endovascular repair and related technologies16,3,7,17,18,4,6,5.

That expertise later introduced him to the world of MedtTech venture capital and private equity as a subject-matter expert. In that world, the question was not only whether a technology sounded promising, but whether its evidence was strong enough to support development, capital and clinical translation. Work with Newchip Accelerator and later ScienceWerxhelped extend this path into an expert network at the interface of deep technology, funding and private equity.

Loss, design and diagnosis

The middle period shows a second stage in the intellectual journey: modelling became a way to find where systems lose performance. Urban street-canyon studies made pollution a question of geometry, wind and public space46,47. Biomass flameless combustion asked how fuel, temperature and reaction structure could be arranged for cleaner conversion48. Natural-convection and turbulent-pipe studies used entropy to locate where useful energy disappears49,50,51.

Renewable-energy papers carried the same habit into machines exposed to real environments. Wells-turbine studies linked wave-energy conversion to viscous loss and entropy generation52,53,54,55. Wind-turbine work treated a blade as a surface whose performance changes under roughness, dust and sandstorm conditions56,57,58. Marine-current turbine and subsea-pipeline studies moved the problem into water, angle of attack, protection methods and offshore loading59,60.

Other applied studies broadened the same pattern. Erosion-corrosion in seawater fittings showed damage emerging from flow and particles together61. Solar-greenhouse work joined agriculture, thermal regulation and photovoltaic performance in one operating system62. Combined-cycle and hydropower exergy studies moved the diagnostic scale from local flow to whole-plant efficiency63,64. CFD parallelisation and lid-driven cavity benchmarking asked whether the computational instruments were adequate for the physics being investigated65,66.

By this point, design was increasingly framed through evidence rather than appearance. RANS assessment of trapped-vortex combustors and CFD criteria for flameless combustion treated recirculation and mixing as design evidence67,68. Phase-change-material work treated thermal comfort as the outcome of a coupled system69. Partially open cavity studies retained the same concern with geometry, turbulence and heat transfer under changing boundary conditions70.

Return to Egypt

Saqr received his Ph.D. from Universiti Teknologi Malaysia in 2011, months after the Egyptian revolution. When he returned to Egypt in 2012, the high-speed combustion problems on which he had trained no longer seemed to be the only natural direction for his work. The move toward biofluid applications began gradually and not always in a straight line.

The transition reflected a change in what counted as a meaningful problem. The earlier work had dealt with flow in machines, combustors and energy systems. The later work moved toward living vessels, biomedical interpretation and the difficult translational question of how a calculated vector field in CFD becomes useful knowledge to support medical decision.

The combustion apprenticeship

Looking further back, the combustion years explain why turbulence later became a natural language for the vascular work. Spray-atomisation studies trained attention on how a continuous stream breaks into a population of droplets19,20. Non-premixed flame studies showed that surrounding turbulence changes combustion21, while soot and NOx work showed that flame structure also changes what combustion leaves behind22.

The detonation and explosion work taught another lesson: a model is useful only when it answers to observation. Schlieren imaging made confined explosions and combustion kernels visible as optical events23,24. Boltzmann-equation notes and ideal-detonation calculations treated the same fast processes as mathematical structure25,26. Pulse-detonation studies connected transient mixing, detonation and measurable thrust27,28,29.

Vortex-flame and combustor studies made rotation a recurring landmark. Shear-driven cavities, whirling flames, asymmetric vortex flames and variable-geometry swirlers showed that a vortex can organise mixing and instability, not merely decorate a flow image30,31,32,33,34,35. OpenFOAM implementation, eddy-dissipation modelling, probability-density-function comparison and radiation-model integration tested which assumptions survive when combustion theory becomes working software36,37,38. Curved-duct, unconfined-swirl and annular-vortex studies extended the same caution to turbulence closures under strained, swirling and decaying conditions39,40,41.

Hydrogen-enriched flames and entropy-generation studies turned combustion toward consequence. Hydrogen addition changed flame structure and emissions42. Entropy generation in swirl-stabilised combustion measured where useful energy was degraded inside the flow43,44. A highway-energy study widened this way of thinking from a flame or engine to infrastructure, where demand itself had to be anticipated45. Saqr later published his Ph.D. work as Turbulent Vortex Flames.

The early discipline of heat and control

At the beginning of the flashback are practical engineering problems. Bus air-conditioning studies asked how a cooling system should respond to changing heat and humidity, turning comfort into a control problem71,72. Thermoelectric work asked how waste heat from an exhaust pipe could become useful power rather than discarded energy73,74. Pipe heat-transfer work made the same question local and geometric by showing how internal fins alter flow and heat exchange75.

The early CFD papers moved from energy systems toward the hidden organisation of flow. A Zanker plate and a gas-turbine swirler were treated as devices that create turbulence, mixing and structure inside moving fluid76,77,78. Confined-vortex and Taylor–Couette studies placed rotation and instability at the centre of the problem79,80. The question of whether large-eddy simulation could predict transition made explicit what would remain important in the later work: computation was being tested as a way of seeing what ordinary observation could not resolve81.

Return to the present

The flashback returns to the present with a clearer question: who is Khalid Saqr after this sequence of work? He is best read as a modeller of difficult systems who gradually moved from physical flow to scientific knowledge itself. KNOWDYN carries this concern into knowledge capital: papers, code, datasets, claims, simulations, expert judgement and intellectual property treated as materials that must be structured before they can be valued or reused.

The Thomas Kuhn Foundation gives a philosophical and institutional form to the anomaly-driven pattern in the research. Computational forensic analysis of judicial language showed that hidden structure can also govern authority outside physics82. KGX3 continues the same concern as a technical layer for representing claims, evidence and scientific transitions in machine-readable form. ScienceWerx extends the path outward, where scientific knowledge must become institutional, economic and regional capability.

Across these later institutions, the point is not to leave science for business. It is to carry the same discipline into the systems that decide what science can become: evidence, ownership, judgement, investment and trust.

Public record

The readable biography and machine-readable files describe the same public record. The biography gives the line of thought; the files give search engines, crawlers and AI systems the structured record.

llms.txt facts.json person.schema.json identity-graph.json claims.json evidence.json publications.json doi-index.json

References

  1. Saqr, Khalid M.. A transverse picoNewton force revealed in anisotropic Womersley flow. Scientific Reports (2026). doi:10.1038/s41598-026-47474-x
  2. Saqr, Khalid M.. Resonant spectral cascade in Womersley flow triggered by arterial geometry. Physics of Fluids (2026). doi:10.1063/5.0319995
  3. Tupin, Simon, Saqr, Khalid M., Ohta, Makoto. Effects of wall compliance on multiharmonic pulsatile flow in idealized cerebral aneurysm models: comparative PIV experiments. Experiments in Fluids (2020). doi:10.1007/s00348-020-02998-4
  4. Yamaguchi, Ryuhei, Tanaka, Gaku, Shafii, Nadia Shaira et al.. Characteristic effect of wall elasticity on flow instability and wall shear stress of a full-scale, patient-specific aneurysm model in the middle cerebral artery: An experimental approach. Journal of Applied Physics (2022). doi:10.1063/5.0085417
  5. Yamaguchi, Ryuhei, Albadawi, Muhamed, Shafii, Nadia Shaira et al.. Effects of wall compliance on pulsatile flow in a full-scale, patient-specific cerebral aneurysm model: Particle image velocimetry experiments. Medical Engineering and Physics (2025). doi:10.1016/j.medengphy.2025.104381
  6. Saqr, Khalid M., Kano, Kiyomitsu, Rashad, Sherif et al.. Non-Kolmogorov turbulence in carotid artery stenosis and the impact of carotid stenting on near-wall turbulence. AIP Advances (2022). doi:10.1063/5.0076271
  7. Saqr, Khalid M., Tupin, Simon, Rashad, Sherif et al.. Physiologic blood flow is turbulent. Scientific Reports (2020). doi:10.1038/s41598-020-72309-8
  8. Saqr, Khalid M., Zidane, Iham F.. On non-Kolmogorov turbulence in blood flow and its possible role in mechanobiological stimulation. Scientific Reports (2022). doi:10.1038/s41598-022-16079-5
  9. Mahrous, Samar A., Che Sidik, Nor Azwadi, Saqr, Khalid M.. Numerical study on the energy cascade of pulsatile Newtonian and power-law flow models in an ICA bifurcation. PLoS ONE (2021). doi:10.1371/journal.pone.0245775
  10. Rashad, Sherif, Han, Xiaobo, Saqr, Khalid et al.. Epigenetic response of endothelial cells to different wall shear stress magnitudes: A report of new mechano-miRNAs. Journal of Cellular Physiology (2020). doi:10.1002/jcp.29436
  11. Rabiatul, A.A.R., Rianti, Devi, Fatihhi, S.J. et al.. Influence of bone marrow characteristic and trabecular bone morphology on bone remodelling process with FSI approach. Proceedings of the Institution of Mechanical Engineers, Part L: Journal of Materials: Design and Applications (2022). doi:10.1177/14644207221080115
  12. Saqr, Khalid M., Mansour, Ossama, Tupin, Simon et al.. Evidence for non-Newtonian behavior of intracranial blood flow from Doppler ultrasonography measurements. Medical and Biological Engineering and Computing (2019). doi:10.1007/s11517-018-1926-9
  13. Saqr, Khalid M. Computational fluid dynamics simulations of cerebral aneurysm using Newtonian, power-law and quasi-mechanistic blood viscosity models. Proceedings of the Institution of Mechanical Engineers, Part H: Journal of Engineering in Medicine (2020). doi:10.1177/0954411920917531
  14. Mahrous, Samar Ahmed, Sidik, Nor Azwadi Che, Saqr, Khalid Mansour. Investigation of newtonian and power-law blood flow models in a 180° curved pipe at low to medium shear rate. Journal of Advanced Research in Fluid Mechanics and Thermal Sciences (2020). doi:10.37934/ARFMTS.69.1.148162
  15. Mahrous, Samar A., Sidik, Nor Azwadi Che, Saqr, Khalid M.. Newtonian and non-newtonian CFD models of intracranial aneurysm: A review. CFD Letters (2020). record
  16. Rashad, Sherif, Saqr, Khalid M., Fujimura, Miki et al.. Author Correction: The hemodynamic complexities underlying transient ischemic attacks in early-stage Moyamoya disease: an exploratory CFD study (Scientific Reports, (2020), 10, 1, (3700), 10.1038/s41598-020-60683-2). Scientific Reports (2020). doi:10.1038/s41598-020-62862-7
  17. Rashad, Sherif, Saqr, Khalid M., Fujimura, Miki et al.. The hemodynamic complexities underlying transient ischemic attacks in early-stage Moyamoya disease: an exploratory CFD study. Scientific Reports (2020). doi:10.1038/s41598-020-60683-2
  18. Saqr, Khalid M, Rashad, Sherif, Tupin, Simon et al.. What does computational fluid dynamics tell us about intracranial aneurysms? A meta-analysis and critical review. Journal of Cerebral Blood Flow and Metabolism (2020). doi:10.1177/0271678X19854640
  19. Aly, Hossam S., Eldrainy, Yehia A., Saqr, Khalid M. et al.. A mathematical model for predicting spray atomization characteristics in an Eulerian-Eulerian framework. International Communications in Heat and Mass Transfer (2010). doi:10.1016/j.icheatmasstransfer.2010.02.003
  20. Aly, Hossam S., Eldrainy, Yehia A., Saqr, Khalid M. et al.. Numerical simulation of turbulent dispersion and atomization within sprays. Proceedings of the 2010 International Conference on Mechanical, Industrial, and Manufacturing Technologies, MIMT 2010 (2010). doi:10.1115/1.859544.paper79
  21. Saqr, Khalid M., Sies, Mohsin M., Wahid, Mazlan A.. Analyzing the effect of free stream turbulence on gaseous non-premixed flames. AIP Conference Proceedings (2010). doi:10.1063/1.3464941
  22. Saqr, Khalid M., Aly, Hossam S., Sies, Mohsin M. et al.. Effect of free stream turbulence on NOx and soot formation in turbulent diffusion CH4-air flames. International Communications in Heat and Mass Transfer (2010). doi:10.1016/j.icheatmasstransfer.2010.02.008
  23. Saqr, Khalid M., Wahid, Mazlan Abdul, Ujir, Haffis et al.. Experiments on combustion kernel growth in gaseous explosions. AIP Conference Proceedings (2010). doi:10.1063/1.3464861
  24. Saqr, K.M., Wahid, M.A., Sies, M.M. et al.. High-speed schlieren photography of confined gaseous explosions. International Journal of Mechanical and Materials Engineering (2010). record
  25. Saqr, Khalid M., Kassem, Hassan I., Sies, Mohsin M. et al.. Ideal detonation characteristics of biogashydrogen and -hydrogen peroxide mixtures. International Conference on Theoretical and Applied Mechanics, International Conference on Fluid Mechanics and Heat and Mass Transfer - Proceedings (2010). record
  26. Saqr, K.M., Sidik, N.A.C., Wahid, M.A.. Theoretical notes on the mathematical modelling of gaseous detonations using boltzmann equation. Journal of Applied Sciences (2010). doi:10.3923/jas.2010.1476.1480
  27. Mat Zin, Ahmad Faiz, Wahid, Mazlan A., Saqr, Khalid M. et al.. Single pulse detonation study of natural gas. International Conference on Theoretical and Applied Mechanics, International Conference on Fluid Mechanics and Heat and Mass Transfer - Proceedings (2010). record
  28. Saqr, Khalid M., Faiz, Ahmed, Kassem, Hassan et al.. Transient characteristics of C3H8/O2 turbulent mixing in a hypersonic pulse detonation engine. Proceedings of the 9th WSEAS International Conference on Applications of Computer Engineering, ACE '10 (2010). record
  29. Wahid, Mazlan Abdul, Faiz, M. Z. Ahmad, Saqr, Khalid M.. Direct thrust force measurement of pulse detonation engine. AIP Conference Proceedings (2012). doi:10.1063/1.4704344
  30. Saqr, Khalid M., Aly, Hossam S., Kassem, Hassan I. et al.. Computations of shear driven vortex flow in a cylindrical cavity using a modified k-έ turbulence model. International Communications in Heat and Mass Transfer (2010). doi:10.1016/j.icheatmasstransfer.2010.06.021
  31. Saqr, Khalid M., Aly, Hossam S., Kassem, Hassan I. et al.. Large Eddy Simulation of shear-driven vortex flow in a cylindrical cavity. International Conference on Theoretical and Applied Mechanics, International Conference on Fluid Mechanics and Heat and Mass Transfer - Proceedings (2010). record
  32. Saqr, Khalid M., Sies, Mohsin M., Ujir, Haffis et al.. Whirling flames for fuel economy and low NOx combustion. AIP Conference Proceedings (2010). doi:10.1063/1.3464845
  33. Saqr, Khalid M., Aly, Hossam S., Sies, Mohsin M. et al.. Computational and experimental investigations of turbulent asymmetric vortex flames. International Communications in Heat and Mass Transfer (2011). doi:10.1016/j.icheatmasstransfer.2010.12.001
  34. Eldrainy, Yehia A., Saqr, Khalid M., Aly, Hossam S. et al.. Large eddy simulation and preliminary modeling of the flow downstream a variable geometry swirler for gas turbine combustors. International Communications in Heat and Mass Transfer (2011). doi:10.1016/j.icheatmasstransfer.2011.05.017
  35. Saqr, Khalid M., Wahid, M.A., Sies, Mohsin M.. Highly-resolved large eddy simulation of the nonreacting flow in an asymmetric vortex combustor. AIP Conference Proceedings (2012). doi:10.1063/1.4704242
  36. Kassem, Hassan I., Saqr, Khalid M., Aly, Hossam. S. et al.. Implementation of the eddy dissipation model of turbulent non-premixed combustion in OpenFOAM. International Communications in Heat and Mass Transfer (2011). doi:10.1016/j.icheatmasstransfer.2010.12.012
  37. Rohani, Behzad, Wahid, M.A., Sies, Mohsin Mohd et al.. Comparison of eddy dissipation model and presumed probability density function model for temperature prediction in a non-premixed turbulent methane flame. AIP Conference Proceedings (2012). doi:10.1063/1.4704240
  38. Kassem, Hassan I., Saqr, Khalid M., Sies, Mohsin M. et al.. Integrating a simplified P-N radiation model with EdmFoam1.5: Model assessment and validation. International Communications in Heat and Mass Transfer (2012). doi:10.1016/j.icheatmasstransfer.2012.03.009
  39. Kassem, Hassan I., Aly, Hossam S., Saqr, Khalid M. et al.. Performance of RANS turbulence models in predicting strained flows in a curved duct. International Conference on Theoretical and Applied Mechanics, International Conference on Fluid Mechanics and Heat and Mass Transfer - Proceedings (2010). record
  40. Saqr, Khalid M., Kassem, Hassan I., Aly, Hossam S. et al.. Computational study of decaying annular vortex flow using the R ε/k-ε turbulence model. Applied Mathematical Modelling (2012). doi:10.1016/j.apm.2011.11.082
  41. Radwan, Arabi, Ibrahim, Kamal A., Hanafy, Ahmed et al.. On rans modeling of unconfined swirl flow. CFD Letters (2014). record
  42. Rohani, Behzad, Saqr, Khalid M.. Effects of hydrogen addition on the structure and pollutant emissions of a turbulent unconfined swirling flame. International Communications in Heat and Mass Transfer (2012). doi:10.1016/j.icheatmasstransfer.2012.03.020
  43. Saqr, Khalid M., Wahid, Mazlan A.. Entropy generation in turbulent swirl-stabilized flame: Effect of hydrogen enrichment. Applied Mechanics and Materials (2013). doi:10.4028/www.scientific.net/AMM.388.280
  44. Saqr, Khalid M., Wahid, Mazlan A.. Numerical simulation of entropy generation in hydrogen enriched swirl stabilized combustion. CFD Letters (2013). record
  45. Saqr, Khalid M., Musa, Md. Nor. A perspective of the Malaysian highway energy consumption and future power supply. Energy Policy (2011). doi:10.1016/j.enpol.2011.03.034
  46. Afiq, W.M.Y., Azwadi, C.S.N., Saqr, K.M.. Effects of buildings aspect ratio, wind speed and wind direction on flow structure and pollutant dispersion in symmetric street canyons: A review. International Journal of Mechanical and Materials Engineering (2012). record
  47. Yazid, Afiq Witri Muhammad, Sidik, nor Azwadi Che, Salim, Salim Mohamed et al.. A review on the flow structure and pollutant dispersion in urban street canyons for urban planning strategies. SIMULATION (2014). doi:10.1177/0037549714528046
  48. Abuelnuor, A.A.A., Wahid, M.A., Hosseini, Seyed Ehsan et al.. Characteristics of biomass in flameless combustion: A review. Renewable and Sustainable Energy Reviews (2014). doi:10.1016/j.rser.2014.01.079
  49. Saqr, Khalid M., Wahid, Mazlan A.. Effects of swirl intensity on heat transfer and entropy generation in turbulent decaying swirl flow. Applied Thermal Engineering (2014). doi:10.1016/j.applthermaleng.2014.05.059
  50. El-Maghlany, Wael M., Saqr, Khalid M., Teamah, Mohamed A.. Numerical simulations of the effect of an isotropic heat field on the entropy generation due to natural convection in a square cavity. Energy Conversion and Management (2014). doi:10.1016/j.enconman.2014.05.093
  51. Saqr, Khalid M., Shehata, Ali I., Taha, Ahmed A. et al.. CFD modelling of entropy generation in turbulent pipe flow: Effects of temperature difference and swirl intensity. Applied Thermal Engineering (2016). doi:10.1016/j.applthermaleng.2016.02.014
  52. Shehata, Ahmed S., Saqr, Khalid M., Shehadeh, Mohamed et al.. Entropy generation due to viscous dissipation around a wells turbine blade: A preliminary numerical study. Energy Procedia (2014). doi:10.1016/j.egypro.2014.06.099
  53. Shehata, Ahmed S., Saqr, Khalid M., Xiao, Qing et al.. Performance analysis of wells turbine blades using the entropy generation minimization method. Renewable Energy (2016). doi:10.1016/j.renene.2015.09.045
  54. Shehata, Ahmed S., Xiao, Qing, Saqr, Khalid M. et al.. Passive flow control for aerodynamic performance enhancement of airfoil with its application in Wells turbine – Under oscillating flow condition. Ocean Engineering (2017). doi:10.1016/j.oceaneng.2017.03.010
  55. Shehata, Ahmed S., Xiao, Qing, Saqr, Khalid M. et al.. Wells turbine for wave energy conversion: a review. International Journal of Energy Research (2017). doi:10.1002/er.3583
  56. Zidane, Iham F., Saqr, Khalid M., Swadener, Greg et al.. On the role of surface roughness in the aerodynamic performance and energy conversion of horizontal wind turbine blades: a review. International Journal of Energy Research (2016). doi:10.1002/er.3580
  57. Zidane, Iham F., Saqr, Khalid M., Swadener, Greg et al.. Computational fluid dynamics study of dusty air flow over NACA 63415 airfoil for wind turbine applications. Jurnal Teknologi (2017). doi:10.11113/jt.v79.11877
  58. Zidane, Iham F., Swadener, Greg, Ma, Xianghong et al.. Performance of a wind turbine blade in sandstorms using a CFD-BEM based neural network. Journal of Renewable and Sustainable Energy (2020). doi:10.1063/5.0012272
  59. Dajani, S., Shehadeh, M., Saqr, K.M. et al.. Numerical Study for a Marine Current Turbine Blade Performance under Varying Angle of Attack. Energy Procedia (2017). doi:10.1016/j.egypro.2017.07.143
  60. Saber, Mohamed, Saqr, Khalid M., Hassan, Amr A. et al.. Numerical simulation of the flow around a subsea pipeline with different protection methods. Proceedings of the Institution of Mechanical Engineers Part M: Journal of Engineering for the Maritime Environment (2017). doi:10.1177/1475090216632017
  61. Shehadeh, Mohamed, Anany, Mohammed, Saqr, Khalid M. et al.. Experimental investigation of erosion-corrosion phenomena in a steel fitting due to plain and slurry seawater flow. International Journal of Mechanical and Materials Engineering (2014). doi:10.1186/s40712-014-0022-7
  62. Hassan, Gasser E., Salah, Alaa H., Fath, Hassan et al.. Optimum operational performance of a new stand-alone agricultural greenhouse with integrated-TPV solar panels. Solar Energy (2016). doi:10.1016/j.solener.2016.07.017
  63. Abuelnuor, A.A.A., Saqr, Khalid M., Mohieldein, Siddig Abuelgasim Abbas et al.. Exergy analysis of Garri “2” 180 MW combined cycle power plant. Renewable and Sustainable Energy Reviews (2017). doi:10.1016/j.rser.2017.05.077
  64. Abuelnuor, Abuelnuor A. A., Ahmed, Khadir, Saqr, Khaled M. et al.. Exergy analysis of large and impounded hydropower plants: Case study El Roseires Dam (280 MW). Environmental Progress and Sustainable Energy (2020). doi:10.1002/ep.13362
  65. Abdelmigid, Tamer A., Abouelfarag, Ahmed A., Saqr, Khalid M. et al.. Acceleration of Computational Fluid Dynamics Simulations by Parallelization of the Linear Equation Solver Using Wavefront Technique. 26th International Conference on Computer Theory and Applications, ICCTA 2016 - Proceedings (2016). doi:10.1109/ICCTA40200.2016.9512940
  66. AbdelMigid, Tamer A., Saqr, Khalid M., Kotb, Mohamed A. et al.. Revisiting the lid-driven cavity flow problem: Review and new steady state benchmarking results using GPU accelerated code. Alexandria Engineering Journal (2017). doi:10.1016/j.aej.2016.09.013
  67. Khalil, Hesham, Saqr, Khalid, Eldrainy, Yehia et al.. Aerodynamics of a trapped vortex combustor: A comparative assessment of RANS based CFD models. Journal of Advanced Research in Fluid Mechanics and Thermal Sciences (2018). record
  68. Khalil, Hesham M., Eldrainy, Yehia A., Saqr, Khalid M. et al.. Evaluation criteria for a flameless combustor based on recirculation and mixing - A CFD approach. Acta Astronautica (2018). doi:10.1016/j.actaastro.2018.07.054
  69. Abuelnuor, Abuelnuor A. A., Omara, Adil A. M., Saqr, Khalid M. et al.. Improving indoor thermal comfort by using phase change materials: A review. International Journal of Energy Research (2018). doi:10.1002/er.4000
  70. Abo Elazm, Mohamed M., Shehata, Ali I., Saqr, Khalid M.. Numerical investigation of turbulent flow and heat transfer over partially open cavities effect of opening ratio. Thermal Science (2017). doi:10.2298/TSCI150309126A
  71. Khamis Mansour, M., Musa, Md. Nor, Hassan, Mat Nawi Wan et al.. Development of a novel control strategy for a multiple-circuit roof-top bus air-conditioning system in hot humid countries. International Journal of Mechanical and Materials Engineering (2007). record
  72. Khamis Mansour, M., Musa, Md Nor, Wan Hassan, Mat Nawi et al.. Development of novel control strategy for multiple circuit, roof top bus air conditioning system in hot humid countries. Energy Conversion and Management (2008). doi:10.1016/j.enconman.2007.12.032
  73. Saqr, K.M., Mansour, M.K., Musa, M.N.. Thermal design of automobile exhaust based thermoelectric generators: Objectives and challenges. International Journal of Automotive Technology (2008). doi:10.1007/s12239-008-0020-y
  74. Saqr, Khalid M., Musa, Mohd N.. Critical review of thermoelectrics in modern power generation applications. Thermal Science (2009). doi:10.2298/TSCI0903165S
  75. Saqr, Khalid M., Musa, Md.N.. Numerical study of the heat transfer augmentation in pipes with internal discontinous longetudinal fins. International Journal of Mechanical and Materials Engineering (2009). record
  76. El Drainy, Yehia A., Saqr, Khalid M., Aly, Hossam S. et al.. CFD analysis of incompressible turbulent swirling flow through Zanker plate. Engineering Applications of Computational Fluid Mechanics (2009). doi:10.1080/19942060.2009.11015291
  77. Eldrainy, Yehia A., Saqr, Khalid M., Aly, Hossam S. et al.. CFD insight of the flow dynamics in a novel swirler for gas turbine combustors. International Communications in Heat and Mass Transfer (2009). doi:10.1016/j.icheatmasstransfer.2009.06.013
  78. Eldrainy, Yehia A., Aly, Hossam S., Saqr, Khalid M. et al.. Augmentation of turbulence and mixing in gas turbine combustors by introducing unsteady effects. Proceedings of the 2010 International Conference on Mechanical, Industrial, and Manufacturing Technologies, MIMT 2010 (2010). doi:10.1115/1.859544.paper78
  79. Saqr, Khalid M., Aly, Hossam S., Wahid, Mazlan A. et al.. Numerical simulation of confined vortex flow using a modified k-ε turbulence model. CFD Letters (2009). record
  80. Saqr, Khalid M., Sidik, Nor Azwadi C., Aly, Hossam S. et al.. Uncharacteristic phenomenon in the nonisothermal taylor-couette flow. 2009 International Conference on Signal Processing Systems, ICSPS 2009 (2009). doi:10.1109/ICSPS.2009.191
  81. Aly, Hossam S., Saqr, Khalid M., Eldrainy, Yehia A. et al.. Can large eddy simulation (LES) predict laminar to turbulent flow transition?. International Journal of Mechanical and Materials Engineering (2009). record
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