Mechanical Engineering: Recent submissions

Now showing items 61-80 of 766

Effects of particle size and mixture composition on propulsive performance of gelled and refrigerated aluminum-liquid oxidizer propellants

Venukumar, Ganeshkumar; Sundaram, Dilip Srinivas (American Institute of Aeronautics and Astronautics, 2025-01-06)

The propulsive performance of aluminum-liquid oxidizer mixtures is studied using an Eulerian-Eulerian multiphase Computational Fluid Dynamics model. The simulations are performed to capture the high-speed multiphase flow ...
Initial state update-based position control of flexible continuum manipulators utilizing virtual actuation space

Firdaus, Md Modassir; Prajapati, Smit; Vadali, Madhu (Institute of Electrical and Electronics Engineers (IEEE), 2024-12-10)

Continuum manipulators have proven their importance in applications requiring high articulation and their use in confined space usability. However, their control continues to remain a challenge. This paper proposes a novel ...
Biomechanical analysis of foot landing: a machine learning approach using wearable sensor system

Shah, Dhyey; Vyas, Ronak; Vashista, Vineet (Institute of Electrical and Electronics Engineers (IEEE), 2024-12-01)

Foot landing is crucial in daily activities and sports, providing balance, stability, and energy efficiency while reducing injury risk. Proper landing distributes impact forces evenly, preventing overuse injuries. In ...
Compact and lightweight cable attitude measurement device for aerial transportation applications

Prajapati, Pratik; Vashista, Vineet (Institute of Electrical and Electronics Engineers (IEEE), 2024-12-01)

Small-scale Unmanned Aerial Vehicles (UAVs) such as quadrotors and helicopters are popular nowadays in various applications like surveillance, aerial photography, air logistics, mapping, etc. In some applications, it is ...
Estimation of shear correction factors for laminated composite plates using variational asymptotic method

Pathak, Anup Kumar; Padhee, Srikant Shekhar (Taylor and Francis, 2025-03)

This work presents a novel method for efficiently and accurately computing shear correction factors (SCFs) in laminated composite plates. The present approach utilizes the variational asymptotic method (VAM) to derive a ...
Bifurcations in narrow-gap spherical Couette flow

J. P., Ananthu; Sharma, Manjul; Sameen, A.; Narayanan, Vinod (Cambridge University Press, 2025-04)

The incompressible Navier–Stokes equations in spherical coordinates are solved using a pseudo-spectral method to simulate the problem of spherical Couette flow. The flow is investigated for a narrow-gap ratio with only the ...
Transient energy growth and resolvent analyses of the axisymmetric boundary layer with suction and injection

Thummar, Mayank; Bhoraniya, Ramesh; Narayanan, Vinod (American Institute of Physics, 2024-08-25)

The present study involves bi-global non-modal and resolvent analyses of the incompressible boundary layer developing over a thin, long, horizontal circular cylinder under the influence of vectored, non-uniform wall ...
A computational fluid dynamics model of combustion of nitromethane propellant in a strand burner

Ali, SK Hossen; Sundaram, Dilip Srinivas (Taylor and Francis, 2025-03)

A computational fluid dynamics (CFD) model of unsteady combustion of liquid nitromethane (NM) propellant in a strand burner is developed. Two detailed chemical mechanisms of Boyer and Kuo (2007) and Brequigny et al. (2015) ...
Numerical investigation of pre-mixer for non-catalytic diesel autothermal reformer

Kumar, Ravinder; Das, Rahul; Haridasan, Mahesh M.; Bhargav, Atul (Elsevier, 2025-03)

The catalytic reforming of diesel presents several challenges, including soot formation and rapid catalyst deactivation. To address this, we’ve explored non-catalytic autothermal reforming in our preliminary experiments ...
Computational study of propulsive performance of frozen nano-aluminum and water (ALICE) mixtures

Venukumar, Ganeshkumar; Sundaram, Dilip (American Institute of Aeronautics and Astronautics, 2025-05)

A computational study of the propulsive performance of frozen nano-aluminum and water (ALICE) mixtures is conducted. An Eulerian multiphase flow model is developed that accurately captures the dynamics of high-speed ...
Design considerations for last mile connectivity in populous urban areas with a case study from an Indian city

Sorathiya, Dhruv; Omar, Aishwarya; Maity, Shibsankar; Mehta, Siddharth; Paranjape, Aditya A.; Barat, Souvik; Kulkarni, Vinay V. (Institute of Electrical and Electronics Engineers (IEEE), 2024-11-27)
Exploiting data science for atmospheric plasma enhanced paint adhesion on carbon

Nandi, Ankush; Robinson, Ryan; Singh, Somesh Pratap; Montrowl, Sarah; Pappas, Daphne; Vashith, Aniruddh (2024-09-09)

Carbon fiber-based thermosets, or thermoplastic composites, used in automotive and aerospace industry are prone to environmental degradation and often require a protective coating. These composites typically have low surface ...
Transitioning surface wettability of Ti6Al4V via laser ablation and post-processing methods

Devra, Rajdeep Singh; Gupta, Rohit; Rahul N.; Sett, Soumyadip; Vadali, Madhu (Springer, 2025-06)

The surface wettability of metals and alloys holds significant interest for industrial, commercial, and research applications. Laser-based texturing has emerged as a prominent technique for modifying wettability due to its ...
Thermal effects on the dynamics of vortex breakdown in spherical Couette flow

J. P., Ananthu; Narayanan, Vinod (American Institute of Physics, 2025-02)

This study investigates the effect of heating on the topology of vortex breakdown in spherical Couette flow under unstable thermal stratification. A three-dimensional spectral direct numerical solver is employed to solve ...
Piecewise linear vibrations of a cracked beam

Tandel, Vaibhav; Jayaprakash, K. R. (American Society of Mechanical Engineers, 2025-06)

We consider the piecewise linear (PWL) vibrations in a cracked Rayleigh beam. The change in local stiffness at the crack site due to a mode-1 crack is introduced through a PWL flexural spring such that the local stiffness ...
Flowpath modification to reduce electrodialysis module size and energy consumption

Patel, Chirag G.; Swaminathan, Jaichander (Elsevier, 2025-07)

Thermodynamic equipartition of ideal electrodialysis (ED) through the time-varying batch operation that maintains a constant current or instantaneous entropy generation rate has been proposed in the literature to reduce ...
Improving the cell adhesion and antibacterial behaviour on Ti6Al4V through micro and nano hierarchical laser surface texturing

Gupta, Rohit; Gaddam, Anvesh; Naveena, A. Hema; Prajapati, Deepak; Dimov, Stefan; Bhatia, Dhiraj; Mishra, Abhijit; Sofronov, Yavor; Vadali, Madhu (Elsevier, 2025-02)

Titanium alloy (Ti6Al4V) is widely recognized for its use in orthopaedic and dental implants due to its exceptional mechanical properties and biocompatibility. However, a plain Ti6Al4V surface may not be sufficient to ...
Two-staged multi-effect distillation for energy efficient brine concentration

Srivastava, Rishabh; Jaiswal, Ankush Kumar; Swaminathan, Jaichander (Elsevier, 2025-05)

Multi-effect distillation (with or without a membrane, MEMD/MED) can achieve a high product recovery in a single pass of feed and is therefore the preferred technology for brine concentration towards zero or minimal liquid ...
Phase change material infused surfaces for thermo-responsive condensation heat transfer for effective thermal management

Marri, Girish Kumar; Das, Chayan; Rahul N.; Sett, Soumyadip (Elsevier, 2025-02)

Recent advancements in applications such as data centers, electric vehicles, and avionics have led to a significant increase in heat dissipation rates. Two-phase thermal management systems (TMSs) including heat pipes, ...
Delay margin computation for single area load frequency control system with time delay

Sharma, Pooja; Sharma, Bhuvnesh (Taylor and Francis, 2024-12)

In this paper, the delay margin is computed for a load frequency control system with time delay of a single area using delay-independent stability analysis method. The delay-independent stability analysis method is used ...

Now showing items 61-80 of 766

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