All Outputs (25)

Self-tuning fuzzy logic PID controller with a practical view to PEM fuel cell air supply system (2021)
Journal Article
Rakhtala, S. M. (2021). Self-tuning fuzzy logic PID controller with a practical view to PEM fuel cell air supply system. International Journal of Modelling, Identification and Control, 37(2), 187-198. https://doi.org/10.1504/IJMIC.2021.120202

Polymer electrolyte membrane fuel cells (PEMFC) are proper candidates as energy resources for using in vehicular, industry and other applications. This paper concentrates on the nonlinear model of PEMFC system. Since the variation of the load current... Read More about Self-tuning fuzzy logic PID controller with a practical view to PEM fuel cell air supply system.

Influence of blade vibrations on aerodynamic performance of axial compressor in gas turbine: Direct numerical simulation (2021)
Journal Article
Nakhchi, M. E., Win Naung, S., & Rahmati, M. (2022). Influence of blade vibrations on aerodynamic performance of axial compressor in gas turbine: Direct numerical simulation. Energy, 242, Article 122988. https://doi.org/10.1016/j.energy.2021.122988

Flutter instability because of the blade vibrations is a major problem in axial compressor cascades. This paper investigates the effects of blade oscillations on aerodynamic performance and turbulent flow characteristics of modern gas-turbine compres... Read More about Influence of blade vibrations on aerodynamic performance of axial compressor in gas turbine: Direct numerical simulation.

Aeroelastic damping estimation for a flexible high-aspect-ratio wing (2021)
Journal Article
Tsatsas, I., Pontillo, A., & Lone, M. (2022). Aeroelastic damping estimation for a flexible high-aspect-ratio wing. Journal of Aerospace Engineering, 35(2), https://doi.org/10.1061/%28ASCE%29AS.1943-5525.0001390

Estimation of aeroelastic damping for a very flexible high-aspect-ratio wing using wind-tunnel test data is presented in this work through the comparison of four different methods: half-power, half-quadratic gain, an adapted version of random decreme... Read More about Aeroelastic damping estimation for a flexible high-aspect-ratio wing.

Real time control and fabrication of a soft robotic glove by two parallel sensors with MBD approach (2021)
Journal Article
Rakhtala, S. M., & Ghayebi, R. (2022). Real time control and fabrication of a soft robotic glove by two parallel sensors with MBD approach. Medical Engineering and Physics, 100, Article 103743. https://doi.org/10.1016/j.medengphy.2021.103743

Soft robotic gloves were designed to aid the rehabilitation process with hand pathologies and coordination of gripping exercises. The main issue in soft robotic actuators is to design a control strategy to overcome deformation in grasping exercises.... Read More about Real time control and fabrication of a soft robotic glove by two parallel sensors with MBD approach.

Thermal performance of LSF wall systems with vacuum insulation panels (2021)
Journal Article
Rajanayagam, H., Upasiri, I., Poologanathan, K., Gatheeshgar, P., Sherlock, P., Konthesingha, C., …Perera, D. (2021). Thermal performance of LSF wall systems with vacuum insulation panels. Buildings, 11(12), Article 621. https://doi.org/10.3390/buildings11120621

Lightweight Steel Frames (LSF) in building construction are becoming more popular due to their fast, clean, and flexible constructability. Typical LSF wall panels are made of cold-formed and thin-walled steel lipped channel studs with plasterboard li... Read More about Thermal performance of LSF wall systems with vacuum insulation panels.

Novel conventional and modular LSF wall panels with improved fire performance (2021)
Journal Article
Perera, D., Poologanathan, K., Gillie, M., Gatheeshgar, P., Sherlock, P., Upasiri, I., & Rajanayagam, H. (2022). Novel conventional and modular LSF wall panels with improved fire performance. Journal of Building Engineering, 46, Article 103612. https://doi.org/10.1016/j.jobe.2021.103612

Fire performance of Light-gauge Steel Frame (LSF) constructions is being extensively investigated recently, due to the critical behaviour of cold-formed steel structures at elevated temperatures. Among the many design parameters involved with LSF con... Read More about Novel conventional and modular LSF wall panels with improved fire performance.

Simulation and hardware implementation of a sensorless modified MPTC for 3φ induction motor drives (2021)
Journal Article
Ahmadi Taleshian, M., Ghanbari, M., & Rakhtala, S. M. (2021). Simulation and hardware implementation of a sensorless modified MPTC for 3φ induction motor drives. International Transactions on Electrical Energy Systems, 31(12), Article e13118. https://doi.org/10.1002/2050-7038.13118

Model predictive torque control (MPTC) is developing as a high-performance control system for 3φ induction motor (IM) drives due to its simple structure and fast dynamic response. This paper proposes a sensorless modified MPTC (MMPTC) strategy to con... Read More about Simulation and hardware implementation of a sensorless modified MPTC for 3φ induction motor drives.

Sustainable performance of a modular building system made of built-up cold-formed steel beams (2021)
Journal Article
Thirunavukkarasu, K., Kanthasamy, E., Gatheeshgar, P., Poologanathan, K., Rajanayagam, H., Suntharalingam, T., & Dissanayake, M. (2021). Sustainable performance of a modular building system made of built-up cold-formed steel beams. Buildings, 11(10), Article 460. https://doi.org/10.3390/buildings11100460

Modular Building Systems (MBS) offer numerous benefits in terms of productivity, sus-tainability and safety. Therefore, MBSs are considered as a viable option to sort out the housing crisis in Britain as well as to drive Britain towards sustainable c... Read More about Sustainable performance of a modular building system made of built-up cold-formed steel beams.

Prediction of flutter effects on transient flow structure and aeroelasticity of low-pressure turbine cascade using direct numerical simulations (2021)
Journal Article
Win Naung, S., Nakhchi, M. E., & Rahmati, M. (2021). Prediction of flutter effects on transient flow structure and aeroelasticity of low-pressure turbine cascade using direct numerical simulations. Aerospace Science and Technology, 119, Article 107151. https://doi.org/10.1016/j.ast.2021.107151

The aerodynamic characteristics of advanced low-pressure turbines (LPTs) could be affected by the interaction between the transitional and turbulent flow and the dynamic behaviour of the blades. Consequently, analysing the details of the interactions... Read More about Prediction of flutter effects on transient flow structure and aeroelasticity of low-pressure turbine cascade using direct numerical simulations.

Energy performance of 3d-printed concrete walls: A numerical study (2021)
Journal Article
Suntharalingam, T., Upasiri, I., Gatheeshgar, P., Poologanathan, K., Nagaratnam, B., Santos, P., & Rajanayagam, H. (2021). Energy performance of 3d-printed concrete walls: A numerical study. Buildings, 11(10), Article 432. https://doi.org/10.3390/buildings11100432

Three-dimensional-printed concrete (3DPC), which is also termed as digital fabrication of concrete, offers potential development towards a sustainable built environment. This novel technique clearly reveals its development towards construction applic... Read More about Energy performance of 3d-printed concrete walls: A numerical study.

Fire performance of modular wall panels: Numerical analysis (2021)
Journal Article
Perera, D., Poologanathan, K., Gatheeshgar, P., Upasiri, I., Sherlock, P., Rajanayagam, H., & Nagaratnam, B. (2021). Fire performance of modular wall panels: Numerical analysis. Structures, 34, 1048-1067. https://doi.org/10.1016/j.istruc.2021.06.111

The Modular Building System (MBS) is increasingly popular and promoted due to the inherent advantages over conventional construction. Fire performance of a building has become a crucial design consideration because of the recent detrimental fire acci... Read More about Fire performance of modular wall panels: Numerical analysis.

A-state-of-the-art review on modular building connections (2021)
Journal Article
Rajanayagam, H., Poologanathan, K., Gatheeshgar, P., Varelis, G. E., Sherlock, P., Nagaratnam, B., & Hackney, P. (2021). A-state-of-the-art review on modular building connections. Structures, 34, 1903-1922. https://doi.org/10.1016/j.istruc.2021.08.114

Modular Building System (MBS) is an emerging offsite construction technique, which uses prefabricated units, transported, and assembled onsite. In MBS construction process, designing stage is considered as the most significant stage. One of the criti... Read More about A-state-of-the-art review on modular building connections.

A developed combined control method for induction machine drives based on PWM (2021)
Journal Article
Dahmardeh, H., Ghanbari, M., & Rakhtala, S. M. (2021). A developed combined control method for induction machine drives based on PWM. COMPEL: The International Journal for Computation and Mathematics in Electrical and Electronic Engineering, 40(3), 624-639. https://doi.org/10.1108/COMPEL-11-2020-0367

Purpose: The purpose of this paper is to develop a combined control (CC) technique based on the direct torque control (DTC) strategy and vector control (VC) method, to improve the overall performance of a three-phase induction machine (TPIM) drives.... Read More about A developed combined control method for induction machine drives based on PWM.

Fire resistance of 3D printed concrete composite wall panels exposed to various fire scenarios (2021)
Journal Article
Suntharalingam, T., Upasiri, I., Gatheeshgar, P., Poologanathan, K., Nagaratnam, B., Rajanayagam, H., & Navaratnam, S. (2021). Fire resistance of 3D printed concrete composite wall panels exposed to various fire scenarios. Journal of Structural Fire Engineering, 12(3), 377-409. https://doi.org/10.1108/JSFE-10-2020-0029

Purpose: Fire safety of a building is becoming a prominent consideration due to the recent fire accidents and the consequences in terms of loss of life and property damage. ISO 834 standard fire test regulation and simulation cannot be applied to ass... Read More about Fire resistance of 3D printed concrete composite wall panels exposed to various fire scenarios.

An experimental and numerical study on the aerodynamic performance of vibrating wind turbine blade with frequency-domain method (2021)
Journal Article
Win Naung, S., Nakhchi, M. E., & Rahmati, M. (2021). An experimental and numerical study on the aerodynamic performance of vibrating wind turbine blade with frequency-domain method. Journal of Applied and Computational Mathematics, 7(3), 1737-1750. https://doi.org/10.22055/jacm.2021.37406.3011

Abstract. A highly efficient nonlinear frequency-domain solution method is proposed and employed to investigate the aerodynamic and aeromechanical performances of an oscillating wind turbine blade aerofoil in this study. Extensive validations of a fr... Read More about An experimental and numerical study on the aerodynamic performance of vibrating wind turbine blade with frequency-domain method.

High-fidelity CFD simulations of two wind turbines in arrays using nonlinear frequency domain solution method (2021)
Journal Article
Win Naung, S., Nakhchi, M. E., & Rahmati, M. (2021). High-fidelity CFD simulations of two wind turbines in arrays using nonlinear frequency domain solution method. Renewable Energy, 174, 984-1005. https://doi.org/10.1016/j.renene.2021.04.067

Aerodynamics of a wind turbine within windfarms is strongly influenced by the wake of neighbouring turbines. In particular, the performance of a wind turbine can be dramatically reduced depending on its location in the wake region of an upstream turb... Read More about High-fidelity CFD simulations of two wind turbines in arrays using nonlinear frequency domain solution method.

Autonomous damage recognition in visual inspection of laminated composite structures using deep learning (2021)
Journal Article
Fotouhi, S., Pashmforoush, F., Bodaghi, M., & Fotouhi, M. (2021). Autonomous damage recognition in visual inspection of laminated composite structures using deep learning. Composite Structures, 268, Article 113960. https://doi.org/10.1016/j.compstruct.2021.113960

This study proposes the exploitation of deep learning for quantitative assessment of visual detectability of different types of in-service damage in laminated composite structures such as aircraft and wind turbine blades. A comprehensive image-based... Read More about Autonomous damage recognition in visual inspection of laminated composite structures using deep learning.

High-resolution direct numerical simulations of flow structure and aerodynamic performance of wind turbine airfoil at wide range of Reynolds numbers (2021)
Journal Article
Nakhchi, M. E., Win Naung, S., & Rahmati, M. (2021). High-resolution direct numerical simulations of flow structure and aerodynamic performance of wind turbine airfoil at wide range of Reynolds numbers. Energy, 225, Article 120261. https://doi.org/10.1016/j.energy.2021.120261

The objective of this study is to develop direct numerical simulations (DNS) to investigate the aerodynamic performance, transition to turbulence, and to capture the laminar separation bubble occurring on a wind turbine blade. Simulations are conduct... Read More about High-resolution direct numerical simulations of flow structure and aerodynamic performance of wind turbine airfoil at wide range of Reynolds numbers.

Numerical study of fire and energy performance of innovative light-weight 3d printed concrete wall configurations in modular building system (2021)
Journal Article
Suntharalingam, T., Gatheeshgar, P., Upasiri, I., Poologanathan, K., Nagaratnam, B., Rajanayagam, H., & Navaratnam, S. (2021). Numerical study of fire and energy performance of innovative light-weight 3d printed concrete wall configurations in modular building system. Sustainability, 13(4), Article 2314. https://doi.org/10.3390/su13042314

3D Printed Concrete (3DPC) technology is currently evolving with high demand amongst researches and the integration of modular building system (MBS) with this technology would provide a sustainable solution to modern construction challenges. The use... Read More about Numerical study of fire and energy performance of innovative light-weight 3d printed concrete wall configurations in modular building system.

Development of affordable steel-framed modular buildings for emergency situations (Covid-19) (2021)
Journal Article
Gatheeshgar, P., Poologanathan, K., Gunalan, S., Shyha, I., Sherlock, P., Rajanayagam, H., & Nagaratnam, B. (2021). Development of affordable steel-framed modular buildings for emergency situations (Covid-19). Structures, 31, 862-875. https://doi.org/10.1016/j.istruc.2021.02.004

This paper presents the development of novel affordable steel-framed modular units for construction with enhanced overall (healthcare, structural, fire, and lightweight) performance, which ideally suits for emergency response situation, such as curre... Read More about Development of affordable steel-framed modular buildings for emergency situations (Covid-19).