EPJ Special Topics (EPJ ST)

Open Access

Editorial

Advancement in computational fluid mechanics: bridging theory and application p. 6653

Ashoke De, Pratik Das, Nitish Arya and Mayank Verma

Published online: 03 November 2025

DOI: 10.1140/epjs/s11734-025-02031-x

Regular Article

Hybrid magnetic and electroosmotic actuation for high-efficiency microfluidic mixing p. 6659

Jyoti Prakash Panigrahi, Amitava Dutta and Nirmalendu Biswas

Published online: 16 June 2025

DOI: 10.1140/epjs/s11734-025-01739-0

Regular Article

Synthetic generation of additive manufacturing roughness surfaces for computational fluid dynamics using single image data p. 6677

Thomas Keesom, Pavel Popov, Katherine Hummer, Priyank Dhyani and Gustaaf Jacobs

Published online: 13 June 2025

DOI: 10.1140/epjs/s11734-025-01733-6

Regular Article

A robust lattice Boltzmann method for interface-bound transport of a passive scalar: application to surfactant-laden multiphase flows p. 6685

William Schupbach and Kannan Premnath

Published online: 21 June 2025

DOI: 10.1140/epjs/s11734-025-01737-2

Regular Article

Soot coagulation due to pulsating flow in diesel engine exhaust: a numerical investigation p. 6707

Pavan Prakash Duvvuri, Rajesh Kumar Shrivastava and Sheshadri Sreedhara

Published online: 19 June 2025

DOI: 10.1140/epjs/s11734-025-01738-1

Regular Article

Nonpremixed and premixed flamelet progress variable approach: application to the piloted methane/air turbulent jet flame p. 6715

Praveen Pratap Singh and Rudra N. Roy

Published online: 11 June 2025

DOI: 10.1140/epjs/s11734-025-01732-7

Regular Article

Thermal performance analysis of magneto-nanofluid flow in a mirrored trapezoidal enclosure with distributed heating p. 6727

Sayandeep Sain, Shreen El-Sapa, Rupayan Dey, Nirmal K. Manna, Nirmalendu Biswas, Dipak Kumar Mandal and Ali J. Chamkha

Published online: 09 July 2025

DOI: 10.1140/epjs/s11734-025-01772-z

Regular Article

Particle-resolved numerical simulation of the motion of a square-shaped particle behind a shock wave p. 6761

P. Utkin and A. Lopato

Published online: 03 July 2025

DOI: 10.1140/epjs/s11734-025-01773-y

Regular Article

Static-stall prediction of airfoils at high Reynolds numbers using hybrid RANS–LES models p. 6773

Sai Saketha Chandra Athkuri, M. R. Nived, R. Aswin and Vinayak Eswaran

Published online: 08 July 2025

DOI: 10.1140/epjs/s11734-025-01771-0

Regular Article

Thermal management of sodium-ion and lithium-ion battery of electric vehicle using magnetic nanofluid and vortex generators with magnetic virtual baffles p. 6793

Suvanjan Bhattacharyya, Sumit Khatri, Nirmalendu Biswas, Khaja Moiduddin, Syed Hammad Mian and Zeyad Almutairi

Published online: 10 July 2025

DOI: 10.1140/epjs/s11734-025-01770-1

Regular Article

Application of non-dominated sorting genetic algorithm II for airfoil performance optimization at low Reynolds numbers p. 6821

Shivendra Singh and Sanjay Kumar

Published online: 28 July 2025

DOI: 10.1140/epjs/s11734-025-01814-6

Regular Article

Approximation technique for transonic flows and weak shock reflection fractional models: collocation-based scale-3 Haar wavelet approach p. 6843

Muhammad Bilal, Mohammad Alqudah, Abdul Ghafoor, Ali Althobaiti, Naveed Iqbal and Emel Khan

Published online: 28 July 2025

DOI: 10.1140/epjs/s11734-025-01810-w

Regular Article

Influence of blade, hub, and nacelle modeling on propeller–wing interactions in turboprop simulations p. 6861

Pavan Kumar Pasupuleti, Kandana Srichaitanya and Rajesh Ranjan

Published online: 26 July 2025

DOI: 10.1140/epjs/s11734-025-01813-7

Regular Article

Numerical investigation of circular pattern by continuous deposition of liquid threads onto a moving substrate p. 6877

Shardul, Surabhi Sahney, Debabrata DasGupta, Bahni Ray and Pankaj Saha

Published online: 31 July 2025

DOI: 10.1140/epjs/s11734-025-01816-4

Regular Article

CFD simulation of two-phase flow by varying the sparger shape and orientation p. 6893

Sachin Kumar, Raj Kumar Singh and Bahni Ray

Published online: 04 August 2025

DOI: 10.1140/epjs/s11734-025-01815-5

Regular Article

Effect of liquid to gas density ratio on primary breakup of a spray from a pressure swirl atomizer p. 6917

Keerthi Santhosh Kumar, Edin Micheal, Krishna Kant and R. Banerjee

Published online: 04 August 2025

DOI: 10.1140/epjs/s11734-025-01811-9

Open Access

Regular Article

Improving energy extraction in VAWT clusters: effect of blade count, wake synergy, and inter-turbine spacing p. 6937

D. V. G. Prasad, Mayank Verma, G. Dinesh Kumar Reddy and Ashoke De

Published online: 04 August 2025

DOI: 10.1140/epjs/s11734-025-01818-2

Regular Article

HAM solution of chemically reactive radiative Casson fluid flow past a stretching convective cylinder under the influence of Ohmic heating, Arrhenius activation energy and Brownian motion p. 6959

D. J. Samuel, E. Samuel and A. S. Oladoja

Published online: 04 August 2025

DOI: 10.1140/epjs/s11734-025-01812-8

Regular Article

Numerical study of particle separation through sequential application of inertial focusing and acoustophoresis in corrugated microchannels p. 6973

Rishav Nandi, Nirmal K. Manna, Sandip Sarkar and Dipak Kumar Mandal

Published online: 28 October 2025

DOI: 10.1140/epjs/s11734-025-01884-6

Regular Article

Computational study on mixing performance dependence to diametric ratios and inclination angles in cross-stream flows p. 6987

Abhishek Kandpal, Debabrata Dasgupta, Bahni Ray and Asmita Patil

Published online: 04 September 2025

DOI: 10.1140/epjs/s11734-025-01882-8

Regular Article

Numerical investigation of piloted CH₄/air flame using tabulated chemistry and reactor-based approaches p. 7009

Praveen Pratap Singh, Aditya Muppavarapu and Rudra N. Roy

Published online: 02 September 2025

DOI: 10.1140/epjs/s11734-025-01878-4

Regular Article

Effects of magnetic field orientation and buoyancy on heat transfer and entropy generation in a circular–trapezoidal magneto-nanofluidic system p. 7025

Mohamed Bechir Ben Hamida, Anjan Bhunia, Dipak Kumar Mandal, Nirmal K. Manna, Nirmalendu Biswas and Nashmi Alrasheedi

Published online: 06 September 2025

DOI: 10.1140/epjs/s11734-025-01877-5

Regular Article

Enhanced EV battery cooling using hybrid nanofluids in inclined mini-channels under magnetic field influence p. 7051

Suvanjan Bhattacharyya, Shreen El-Sapa, Sumit Khatri, Nirmalendu Biswas and Ali J. Chamkha

Published online: 12 September 2025

DOI: 10.1140/epjs/s11734-025-01880-w

Regular Article

Capillary pinch-off in liquid-in-liquid systems p. 7081

Lokendra Mohan Sharma, Harish N. Dixit and Lakshmana Dora Chandrala

Published online: 01 September 2025

DOI: 10.1140/epjs/s11734-025-01879-3

Regular Article

Computational study of blood flow and mass transport in stenosed arteries under pathophysiological conditions p. 7091

Bibek Chakraborty, Sayandeep Sain, Dipak Kumar Mandal, Nirmal K. Manna, Sukumar Pati and Somnath Santra

Published online: 06 September 2025

DOI: 10.1140/epjs/s11734-025-01885-5

Regular Article

Interfacial slip modulated droplet dynamics in a non-isothermal Poiseuille flow p. 7107

Sayan Das, Nandam Vivekananda and Somnath Santra

Published online: 01 September 2025

DOI: 10.1140/epjs/s11734-025-01887-3

Regular Article

Effects of increased heart rates on the hemodynamic features and arterial stress in a realistic left anterior descending coronary artery model of a young human with different degrees of stenosis p. 7123

Pawan Kumar, Siddharth Durgaprasad Sharma, Prasanta Kumar Das and Somnath Roy

Published online: 06 September 2025

DOI: 10.1140/epjs/s11734-025-01883-7

Regular Article

Impact of surface curvature on jet impingement cooling of curved surfaces in motion p. 7151

G. Banerjee, A. Mukhopadhyay, S. Sen, P. Mandal, S. Sarkar and S. Ganguly

Published online: 05 November 2025

DOI: 10.1140/epjs/s11734-025-01886-4

Regular Article

Large eddy simulation to investigate open/close-end swirl coaxial injector dynamics for a LOx-methane rocket engine p. 7175

Rahul Kumar, Abhishek Sharma, Ashoke De and Aravind Vaidyanathan

Published online: 02 September 2025

DOI: 10.1140/epjs/s11734-025-01881-9

Regular Article

Scaling methodology to predict low bypass turbofan engine performance p. 7195

Sashank Srinivasan, Ram Bokade, Manoj Mannari, Sindhuja Priyadarshini and Abhijit Kushari

Published online: 15 September 2025

DOI: 10.1140/epjs/s11734-025-01937-w

Regular Article

Impact of hybrid wavy wall heating on magnetohydrodynamic Cu–water nanofluid convection heat transfer with irreversibility assessment p. 7209

Nirmalendu Biswas, Nirmal K. Manna, Suvanjan Bhattacharyya and Dipak Kumar Mandal

Published online: 17 September 2025

DOI: 10.1140/epjs/s11734-025-01934-z

Regular Article

Insights into the aerodynamic performance of double serpentine nozzles p. 7239

S. Ragupathy, Sindhuja Priyadarshini, Dinesh Durai, Ram Bokade, Ramraj H. Sundararaj, Rajat Arora and Abhijit Kushari

Published online: 17 September 2025

DOI: 10.1140/epjs/s11734-025-01936-x

Regular Article

Newly generated path graph matching-polynomial matrix of integration to solve initial-value, finite-value and infinite-boundary-value problems p. 7255

S. Prithvi, B. Patil Mallikarjun, Suvanjan Bhattacharyya and Nirmalendu Biswas

Published online: 24 September 2025

DOI: 10.1140/epjs/s11734-025-01933-0

Regular Article

Rate-of-injection-based Lagrangian–Eulerian modeling of spray–wall interaction in a gasoline direct injection system under non-flashing conditions p. 7277

Santu Dolui, Akhil Ailaboina, Mukul Biware and Kaushik Saha

Published online: 19 September 2025

DOI: 10.1140/epjs/s11734-025-01930-3

Regular Article

Hybrid ISPH-AI simulation of oscillating tree and T-shaped fins driven double diffusion of NEPCM in an hourglass-shaped porous cavity under magnetic, radiative, and reactive conditions p. 7315

Noura Alsedais and Abdelraheem M. Aly

Published online: 25 September 2025

DOI: 10.1140/epjs/s11734-025-01974-5

Regular Article

A computational study of the coalescence of oscillating bubbles p. 7349

Pratik Das, Mayank Roja and Jenish Jain

Published online: 26 September 2025

DOI: 10.1140/epjs/s11734-025-01973-6

Regular Article

Simulation of mixed and natural convection in power-law fluids inside square enclosure with circular cylinder using sharp interface immersed boundary method p. 7361

Md Irshad Alam, Debashis Dey, Anandarooop Bhattacharya, Subrata Kumar and Somnath Roy

Published online: 29 September 2025

DOI: 10.1140/epjs/s11734-025-01972-7

Regular Article

Sensitivity analysis of IEC 62364 erosion model in predicting hydro-abrasive erosion in Francis turbine: a case study of Maneri Bhali-II hydropower plant, India p. 7389

Saurabh Sangal, Mukesh Kumar Singhal and Gaurav Saini

Published online: 04 October 2025

DOI: 10.1140/epjs/s11734-025-01970-9

Regular Article

Combined effect of momentum ratio, swirl strength, and injector position on MGT combustor performance p. 7407

Manish Singh and Sudipto Mukhopadhyay

Published online: 23 September 2025

DOI: 10.1140/epjs/s11734-025-01969-2

Regular Article

Artificial Neural Network Modeling of Natural Convection Williamson Fluid Flow with Magnetic and Soret Effects in a Vertical Channel p. 7421

Subham Jangid and Kaladhar Kolla

Published online: 20 October 2025

DOI: 10.1140/epjs/s11734-025-02005-z

Regular Article

Hemodynamic analysis of Au–Ag hybrid nanofluid flow through curved stenosed arterial geometry: effects of heart rate, nanoparticle concentration, and wall elasticity p. 7443

Sayandeep Sain, Nirmal K. Manna, Sandip Sarkar, Somnath Santra and Dipak Kumar Mandal

Published online: 13 October 2025

DOI: 10.1140/epjs/s11734-025-02010-2

Regular Article

Numerical analysis of infrared emissions from jet plumes issuing from different nozzle geometries p. 7467

Booma Devi, Tapomugdha Mandal, Alok Mishra, Abhijit Kushari and A. Nageswara Rao

Published online: 14 October 2025

DOI: 10.1140/epjs/s11734-025-02009-9

Regular Article

Magnetohydrodynamic ferrofluid flow and entropy generation in a trapezoidal thermal system with a half-elliptical heater p. 7491

Anjan Bhunia, Dipak Kumar Mandal, Nirmal K. Manna, Tansu Rudra, Suvanjan Bhattacharyya and Nirmalendu Biswas

Published online: 13 October 2025

DOI: 10.1140/epjs/s11734-025-02003-1

EPJ

The European Physical Journal Special Topics

Volume 234 / No 23 (February 2026)

Advancement in Computational Fluid Mechanics: Bridging Theory and Application

Advancement in computational fluid mechanics: bridging theory and application p. 6653

Hybrid magnetic and electroosmotic actuation for high-efficiency microfluidic mixing p. 6659

Synthetic generation of additive manufacturing roughness surfaces for computational fluid dynamics using single image data p. 6677

A robust lattice Boltzmann method for interface-bound transport of a passive scalar: application to surfactant-laden multiphase flows p. 6685

Soot coagulation due to pulsating flow in diesel engine exhaust: a numerical investigation p. 6707

Nonpremixed and premixed flamelet progress variable approach: application to the piloted methane/air turbulent jet flame p. 6715

Thermal performance analysis of magneto-nanofluid flow in a mirrored trapezoidal enclosure with distributed heating p. 6727

Particle-resolved numerical simulation of the motion of a square-shaped particle behind a shock wave p. 6761

Static-stall prediction of airfoils at high Reynolds numbers using hybrid RANS–LES models p. 6773

Thermal management of sodium-ion and lithium-ion battery of electric vehicle using magnetic nanofluid and vortex generators with magnetic virtual baffles p. 6793

Application of non-dominated sorting genetic algorithm II for airfoil performance optimization at low Reynolds numbers p. 6821

Approximation technique for transonic flows and weak shock reflection fractional models: collocation-based scale-3 Haar wavelet approach p. 6843

Influence of blade, hub, and nacelle modeling on propeller–wing interactions in turboprop simulations p. 6861

Numerical investigation of circular pattern by continuous deposition of liquid threads onto a moving substrate p. 6877

CFD simulation of two-phase flow by varying the sparger shape and orientation p. 6893

Effect of liquid to gas density ratio on primary breakup of a spray from a pressure swirl atomizer p. 6917

Improving energy extraction in VAWT clusters: effect of blade count, wake synergy, and inter-turbine spacing p. 6937

HAM solution of chemically reactive radiative Casson fluid flow past a stretching convective cylinder under the influence of Ohmic heating, Arrhenius activation energy and Brownian motion p. 6959

Numerical study of particle separation through sequential application of inertial focusing and acoustophoresis in corrugated microchannels p. 6973

Computational study on mixing performance dependence to diametric ratios and inclination angles in cross-stream flows p. 6987

Numerical investigation of piloted CH4/air flame using tabulated chemistry and reactor-based approaches p. 7009

Effects of magnetic field orientation and buoyancy on heat transfer and entropy generation in a circular–trapezoidal magneto-nanofluidic system p. 7025

Enhanced EV battery cooling using hybrid nanofluids in inclined mini-channels under magnetic field influence p. 7051

Capillary pinch-off in liquid-in-liquid systems p. 7081

Computational study of blood flow and mass transport in stenosed arteries under pathophysiological conditions p. 7091

Interfacial slip modulated droplet dynamics in a non-isothermal Poiseuille flow p. 7107

Effects of increased heart rates on the hemodynamic features and arterial stress in a realistic left anterior descending coronary artery model of a young human with different degrees of stenosis p. 7123

Impact of surface curvature on jet impingement cooling of curved surfaces in motion p. 7151

Large eddy simulation to investigate open/close-end swirl coaxial injector dynamics for a LOx-methane rocket engine p. 7175

Scaling methodology to predict low bypass turbofan engine performance p. 7195

Impact of hybrid wavy wall heating on magnetohydrodynamic Cu–water nanofluid convection heat transfer with irreversibility assessment p. 7209

Insights into the aerodynamic performance of double serpentine nozzles p. 7239

Newly generated path graph matching-polynomial matrix of integration to solve initial-value, finite-value and infinite-boundary-value problems p. 7255

Rate-of-injection-based Lagrangian–Eulerian modeling of spray–wall interaction in a gasoline direct injection system under non-flashing conditions p. 7277

Hybrid ISPH-AI simulation of oscillating tree and T-shaped fins driven double diffusion of NEPCM in an hourglass-shaped porous cavity under magnetic, radiative, and reactive conditions p. 7315

A computational study of the coalescence of oscillating bubbles p. 7349

Simulation of mixed and natural convection in power-law fluids inside square enclosure with circular cylinder using sharp interface immersed boundary method p. 7361

Sensitivity analysis of IEC 62364 erosion model in predicting hydro-abrasive erosion in Francis turbine: a case study of Maneri Bhali-II hydropower plant, India p. 7389

Combined effect of momentum ratio, swirl strength, and injector position on MGT combustor performance p. 7407

Artificial Neural Network Modeling of Natural Convection Williamson Fluid Flow with Magnetic and Soret Effects in a Vertical Channel p. 7421

Hemodynamic analysis of Au–Ag hybrid nanofluid flow through curved stenosed arterial geometry: effects of heart rate, nanoparticle concentration, and wall elasticity p. 7443

Numerical analysis of infrared emissions from jet plumes issuing from different nozzle geometries p. 7467

Magnetohydrodynamic ferrofluid flow and entropy generation in a trapezoidal thermal system with a half-elliptical heater p. 7491

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Conference announcements

Numerical investigation of piloted CH₄/air flame using tabulated chemistry and reactor-based approaches p. 7009