Waqar A. Khan
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View article: Time-fractional analysis of free convection in a heated square cavity
Time-fractional analysis of free convection in a heated square cavity Open
This study presents a comprehensive numerical analysis of time-fractional free convection in a square cavity with a heated vertical wall, governed by the time-fractional Navier–Stokes equations incorporating Caputo derivatives to account f…
View article: Diagnostic Challenges of Borderline A2 Hemoglobin in β-Thalassemia Carriers: Insights from a Bangladeshi Cohort
Diagnostic Challenges of Borderline A2 Hemoglobin in β-Thalassemia Carriers: Insights from a Bangladeshi Cohort Open
Background The identification of beta-thalassemia (β-thal) carriers during prenatal screening relies on elevated hemoglobin A2 (HbA2) levels. However, β-thal minor may present as silent carriers, showing no hematologic abnormalities despit…
View article: Fractional order unsteady mixed convection in porous-filled concentric pipes: Entropy analysis
Fractional order unsteady mixed convection in porous-filled concentric pipes: Entropy analysis Open
This study presents a comprehensive analysis of entropy generation in unsteady mixed convection flow within the annular region of concentric cylindrical pipes filled with a porous medium, incorporating the effects of time fractional order …
View article: Effects of an Intervention to Improve Evidence-Based Care for People With Diabetes and Cardiovascular Disease Across Sex, Race, and Ethnicity Subgroups: Insights From the COORDINATE-Diabetes Trial
Effects of an Intervention to Improve Evidence-Based Care for People With Diabetes and Cardiovascular Disease Across Sex, Race, and Ethnicity Subgroups: Insights From the COORDINATE-Diabetes Trial Open
BACKGROUND: Results from the COORDINATE-Diabetes trial (Coordinating Cardiology Clinics Randomized Trial of Interventions to Improve Outcomes - Diabetes) demonstrated that a multifaceted, clinic-based intervention increased prescription of…
View article: Corrigendum to “Heat and mass transport in an electrically conducting nanofluid flow over two-dimensional geometries” [Heliyon Volume 9, Issue 8, August 2023, Article e18377]
Corrigendum to “Heat and mass transport in an electrically conducting nanofluid flow over two-dimensional geometries” [Heliyon Volume 9, Issue 8, August 2023, Article e18377] Open
[This corrects the article DOI: 10.1016/j.heliyon.2023.e18377.].
View article: Fractional order analysis of radiating couple stress MHD nanofluid flow in a permeable wall channel
Fractional order analysis of radiating couple stress MHD nanofluid flow in a permeable wall channel Open
This study explores the entropy analysis of a radiating couple stress magnetohydrodynamic (MHD) nanofluid flow using a time-fractional order approach within a permeable vertical wall channel. The nanofluid's behavior is influenced by vario…
View article: The significance of heat transfer through natural convection in stagnation point flow of prandtl fluid
The significance of heat transfer through natural convection in stagnation point flow of prandtl fluid Open
This study investigates the stagnation point flow of Prandtl fluid along a stretching sheet in a permeable medium, incorporating natural convection, magnetic field effects, heat generation, thermal radiation, and Soret and Dufour phenomena…
View article: RETRACTED: Analysis of Williamson Nanofluid Flow Over a Stretching Surface Using Keller Box Method
RETRACTED: Analysis of Williamson Nanofluid Flow Over a Stretching Surface Using Keller Box Method Open
The authors have requested that this preprint be removed from Research Square.
View article: Finite difference simulations for Darcy–Forchheimer–Brinkman model of MHD Oldroyd B fluid flow past a permeable sheet containing microorganisms
Finite difference simulations for Darcy–Forchheimer–Brinkman model of MHD Oldroyd B fluid flow past a permeable sheet containing microorganisms Open
This study explores the behavior of gyrotactic microorganisms swimming on a stretching surface in a non‐Newtonian Oldroyd B fluid. The study considers the combined effects of magnetohydrodynamic, Buongiorno and the Darcy–Forchheimer‐Brinkm…
View article: Entropy generation and heat transfer in Time-Fractional mixed convection of nanofluids in Darcy-Forchheimer porous channel
Entropy generation and heat transfer in Time-Fractional mixed convection of nanofluids in Darcy-Forchheimer porous channel Open
This study investigates the role of time-fractional derivatives in the entropy analysis of mixed convection in a reacting nanofluid within a vertical permeable channel saturated with a Darcy-Forchheimer porous medium. This is crucial for e…
View article: Investigating bifurcations and thermal behavior in chaotic fractional-order exothermic reactions with reactant consumption
Investigating bifurcations and thermal behavior in chaotic fractional-order exothermic reactions with reactant consumption Open
This study presents a complete investigation of the chaotic fractional-order exothermic decomposition in a flow channel, concentrating on the interaction between reactant consumption and thermal dynamics. By employing a time-fractional der…
View article: Effects of sinusoidal wall temperature on thermal dynamics and irreversibility around an inclined plate embedded in a square cavity
Effects of sinusoidal wall temperature on thermal dynamics and irreversibility around an inclined plate embedded in a square cavity Open
Effective thermal and flow control within complex geometries is essential for engineering applications. In this study, an in-depth examination of flow dynamics, entropy, and thermal regulation is undertaken within a square cavity featuring…
View article: Impact of multiple slips and thermal radiation on heat and mass transfer in MHD Maxwell hybrid nanofluid flow over porous stretching sheet
Impact of multiple slips and thermal radiation on heat and mass transfer in MHD Maxwell hybrid nanofluid flow over porous stretching sheet Open
This study investigates the two-dimensional magnetohydrodynamic (MHD) boundary-layer flow over a stretching sheet embedded in a porous medium, focusing on the innovative use of hybrid nanofluids. The research has practical applications in …
View article: Role of ChatGPT in antenatal care
Role of ChatGPT in antenatal care Open
ChatGPT, developed by OpenAI, represents a significant advancement in AI technology, particularly noted for its ability to engage in human-like conversations. This review article is about role of ChatGPT in antenatal care during pregnancy …
View article: Heat and mass transfer of Williamson and Maxwell micropolar nanofluid over a wedge with magnetic field and activation energy effects
Heat and mass transfer of Williamson and Maxwell micropolar nanofluid over a wedge with magnetic field and activation energy effects Open
The numerical investigation conducted in this study focuses on analyzing the behavior of magneto-micropolar flow, particularly concerning the transportation of magneto-Williamson and Maxwell micropolar nanofluids past a non-isothermal wedg…
View article: Effects of thermal boundary conditions on Stokes' second problem
Effects of thermal boundary conditions on Stokes' second problem Open
In this investigation, an infinite flat plate is employed to examine the flow behavior of Casson fluid and the associated heat transfer phenomena. The plate undergoes an initial acceleration with a constant velocity until it eventually dec…
View article: Reporting Two Rare Mutations With Associated Clinical Features in Bangladeshi Hb E/B Thalassemia Patients
Reporting Two Rare Mutations With Associated Clinical Features in Bangladeshi Hb E/B Thalassemia Patients Open
Thalassemia is one of the most common genetic disorders in Bangladesh. We have performed an investigation among 360 patients with Hb E/β-thalassemia to understand the heterogeneity in thalassemia severity among Bangladeshi patients. The an…
View article: Serological and molecular detection of neurocysticercosis among epileptic patients in Nagpur, Maharashtra state (India)
Serological and molecular detection of neurocysticercosis among epileptic patients in Nagpur, Maharashtra state (India) Open
Summary Neurocysticercosis (NCC), one of the most important neuroparasitic diseases in humans, is caused by Cysticercus cellulosae , the metacestode stage of digenetic zoonotic cestode Taenia solium . The present study aims at the detectio…
View article: Inherent irreversibility in unsteady magnetohydrodynamic nanofluid flow past a slippery permeable vertical plate with fractional-order derivative
Inherent irreversibility in unsteady magnetohydrodynamic nanofluid flow past a slippery permeable vertical plate with fractional-order derivative Open
This study focuses on fractional-order derivatives for the unsteady flow of magnetohydrodynamic (MHD) methanol-iron oxide (CH3OH-Fe3O4) nanofluid over a permeable vertical plate. The utilization of fractional-order derivatives provides a m…
View article: Heat transfer in MHD flow of Carreau ternary-hybrid nanofluid over a curved surface stretched exponentially
Heat transfer in MHD flow of Carreau ternary-hybrid nanofluid over a curved surface stretched exponentially Open
This investigation aims to study Magnetohydrodynamics (MHD)two-dimensional incompressible boundary layer performing non-Newtonian Carreau ternary-hybrid nanofluid flow with heat transfer through an exponential stretching curved surface. Th…
View article: Mixed convection flow in a channel with a dimpled section and adiabatic cylindrical obstacle under the influence of magnetic and Joule effects
Mixed convection flow in a channel with a dimpled section and adiabatic cylindrical obstacle under the influence of magnetic and Joule effects Open
This study investigates the mixed convection flow in a channel with a dimpled section and an adiabatic cylindrical obstacle under the influence of a magnetic field. The channel has a heated dimpled portion, while the flat horizontal walls …
View article: Coordinated Care to Optimize Cardiovascular Preventive Therapies in Type 2 Diabetes
Coordinated Care to Optimize Cardiovascular Preventive Therapies in Type 2 Diabetes Open
Importance Evidence-based therapies to reduce atherosclerotic cardiovascular disease risk in adults with type 2 diabetes are underused in clinical practice. Objective To assess the effect of a coordinated, multifaceted intervention of asse…