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Model refinements with experimental validation in piezoelectric plate actuators (2024)
Journal Article
Popov, A. A., Gungordu, B., & Jabbal, M. (2024). Model refinements with experimental validation in piezoelectric plate actuators. Journal of Sound and Vibration, 584, Article 118462. https://doi.org/10.1016/j.jsv.2024.118462

The axisymmetric vibration analysis of circular plates with piezoelectric layers and step changes in plate thickness is conducted. For the chosen configurations, it is necessary to solve a coupled system of differential equations for extensional and... Read More about Model refinements with experimental validation in piezoelectric plate actuators.

Structural–fluidic–acoustic computational modelling and experimental validation of piezoelectric synthetic jet actuators (2023)
Journal Article
Gungordu, B., Jabbal, M., & Popov, A. A. (2023). Structural–fluidic–acoustic computational modelling and experimental validation of piezoelectric synthetic jet actuators. International Journal of Heat and Fluid Flow, 104, Article 109215. https://doi.org/10.1016/j.ijheatfluidflow.2023.109215

In this study, coupled structural–fluidic–acoustic modelling of piezoelectric diaphragm driven synthetic jet actuators is conducted computationally for the first time. The aim is to demonstrate the importance of piezoelectric diaphragm structural mod... Read More about Structural–fluidic–acoustic computational modelling and experimental validation of piezoelectric synthetic jet actuators.

Enhancing Jet Velocity and Power Conversion Efficiency of Piezoelectric Synthetic Jet Actuators (2023)
Journal Article
Gungordu, B., Jabbal, M., & Popov, A. A. (2023). Enhancing Jet Velocity and Power Conversion Efficiency of Piezoelectric Synthetic Jet Actuators. AIAA Journal, 61(10), 4321–4331. https://doi.org/10.2514/1.j062930

The present work discusses an experimental investigation into the effect of piezoceramic employed to drive a synthetic jet actuator into a quiescent flow. The electromechanical coupling ratio of polycrystalline piezoceramics, lead zirconate–titanate... Read More about Enhancing Jet Velocity and Power Conversion Efficiency of Piezoelectric Synthetic Jet Actuators.

Effect of fin width ratio on thermal performance of fin based-heat sink with phase change materials (2023)
Journal Article
Yazici, M. Y., Avci, M., Aydin, O., Arshad, A., & Jabbal, M. (2023). Effect of fin width ratio on thermal performance of fin based-heat sink with phase change materials. Applied Thermal Engineering, 227, Article 120425. https://doi.org/10.1016/j.applthermaleng.2023.120425

The rapid development of electronics, coupled with need of miniaturization in the design and manufacture, makes heat dissipation, which is critical for the performance, lifetime, and reliability of the components extremely challenging. To achieve hig... Read More about Effect of fin width ratio on thermal performance of fin based-heat sink with phase change materials.

Thermal performance of a phase change material-based heat sink in presence of nanoparticles and metal-foam to enhance cooling performance of electronics (2022)
Journal Article
Arshad, A., Jabbal, M., Faraji, H., Talebizadehsardari, P., Bashir, M. A., & Yan, Y. (2022). Thermal performance of a phase change material-based heat sink in presence of nanoparticles and metal-foam to enhance cooling performance of electronics. Journal of Energy Storage, 48, Article 103882. https://doi.org/10.1016/j.est.2021.103882

The present study explores the parametric investigation of a heat sink filled with composite of pure phase change material (PCM), nanocomposite phase change material (NCPCM), metal-foam (MF) by employing the numerical approach for effective passive t... Read More about Thermal performance of a phase change material-based heat sink in presence of nanoparticles and metal-foam to enhance cooling performance of electronics.

Error characteristics of a model-based integration approach for fixed-wing unmanned aerial vehicles (2021)
Journal Article
Mwenegoha, H. A., Moore, T., Pinchin, J., & Jabbal, M. (2021). Error characteristics of a model-based integration approach for fixed-wing unmanned aerial vehicles. Journal of Navigation, 74(6), 1353-1366. https://doi.org/10.1017/S0373463321000424

The paper presents the error characteristics of a vehicle dynamic model (VDM)-based integration architecture for fixed-wing unmanned aerial vehicles. Global navigation satellite system (GNSS) and inertial measurement unit measurements are fused in an... Read More about Error characteristics of a model-based integration approach for fixed-wing unmanned aerial vehicles.

Towards the thermal management of electronic devices: A parametric investigation of finned heat sink filled with PCM (2021)
Journal Article
Arshad, A., Ibrahim Alabdullatif, M., Jabbal, M., & Yan, Y. (2021). Towards the thermal management of electronic devices: A parametric investigation of finned heat sink filled with PCM. International Communications in Heat and Mass Transfer, 129, Article 105643. https://doi.org/10.1016/j.icheatmasstransfer.2021.105643

This study presents the parametric investigation of a phase change material (PCM) filled plate-fin heat sink, used for thermal management (TM) of electronic components. Two-dimensional (2D) unsteady numerical simulations were carried out using the fi... Read More about Towards the thermal management of electronic devices: A parametric investigation of finned heat sink filled with PCM.

Thermal process enhancement of HNCPCM filled heat sink: Effect of hybrid nanoparticles ratio and shape (2021)
Journal Article
Arshad, A., Jabbal, M., Faraji, H., Bashir, M. A., Talebizadehsardari, P., & Yan, Y. (2021). Thermal process enhancement of HNCPCM filled heat sink: Effect of hybrid nanoparticles ratio and shape. International Communications in Heat and Mass Transfer, 125, Article 105323. https://doi.org/10.1016/j.icheatmasstransfer.2021.105323

The present study based on the numerical investigation of a hybrid nanocomposite phase change material (HNCPCM) filled heat sink for passive cooling of electronic devices. The combination of graphene oxide (GO) and silver (Ag) hybrid nanoparticles ar... Read More about Thermal process enhancement of HNCPCM filled heat sink: Effect of hybrid nanoparticles ratio and shape.

Numerical study of nanocomposite phase change material-based heat sink for the passive cooling of electronic components (2021)
Journal Article
Arshad, A., Jabbal, M., Faraji, H., Talebizadehsardari, P., Bashir, M. A., & Yan, Y. (2021). Numerical study of nanocomposite phase change material-based heat sink for the passive cooling of electronic components. Heat and Mass Transfer, https://doi.org/10.1007/s00231-021-03065-2

The current two-dimensional (2D) numerical study presents the melting phenomenon and heat transfer performance of the nanocomposite phase change material (NCPCM) based heat sink. Metallic nanoparticles (copper: Cu) of different volume fractions of 0.... Read More about Numerical study of nanocomposite phase change material-based heat sink for the passive cooling of electronic components.

Development of TiO2/RT–35HC based nanocomposite phase change materials (NCPCMs) for thermal management applications (2020)
Journal Article
Arshad, A., Jabbal, M., Shi, L., Darkwa, J., Weston, N. J., & Yan, Y. (2021). Development of TiO2/RT–35HC based nanocomposite phase change materials (NCPCMs) for thermal management applications. Sustainable Energy Technologies and Assessments, 43, Article 100865. https://doi.org/10.1016/j.seta.2020.100865

This experimental study covers the development of novel nanocomposite phase change materials (NCPCMs) based on RT–35HC as a phase change material (PCM) and titanium oxide (TiO2) as thermal conductivity enhancement material, for thermal management app... Read More about Development of TiO2/RT–35HC based nanocomposite phase change materials (NCPCMs) for thermal management applications.

A Model-based Tightly Coupled Architecture for Low-Cost Unmanned Aerial Vehicles for Real-Time Applications (2020)
Journal Article
Mwenegoha, H. A., Moore, T., Pinchin, J., & Jabbal, M. (2020). A Model-based Tightly Coupled Architecture for Low-Cost Unmanned Aerial Vehicles for Real-Time Applications. IEEE Access, https://doi.org/10.1109/access.2020.3038530

This paper investigates the navigation performance of a vehicle dynamic model-based (VDM-based) tightly coupled architecture for a fixed-wing Unmanned Aerial Vehicle (UAV) during a global navigation satellite system (GNSS) outage for real-time applic... Read More about A Model-based Tightly Coupled Architecture for Low-Cost Unmanned Aerial Vehicles for Real-Time Applications.

Thermophysical characteristics and application of metallic-oxide based mono and hybrid nanocomposite phase change materials for thermal management systems (2020)
Journal Article
Arshad, A., Jabbal, M., & Yan, Y. (2020). Thermophysical characteristics and application of metallic-oxide based mono and hybrid nanocomposite phase change materials for thermal management systems. Applied Thermal Engineering, 181, Article 115999. https://doi.org/10.1016/j.applthermaleng.2020.115999

This experimental study covers the chemical, physical, thermal characterization and application of novel nanocomposite phase change materials (NCPCMs) dispersed by TiO2, Al2O3, and CuO nanoparticles for thermal management systems. A commercial-grade... Read More about Thermophysical characteristics and application of metallic-oxide based mono and hybrid nanocomposite phase change materials for thermal management systems.

Transient simulation of finned heat sinks embedded with PCM for electronics cooling (2020)
Journal Article
Arshad, A., Jabbal, M., Sardari, P. T., Bashir, M. A., Faraji, H., & Yan, Y. (2020). Transient simulation of finned heat sinks embedded with PCM for electronics cooling. Thermal Science and Engineering Progress, 18, Article 100520. https://doi.org/10.1016/j.tsep.2020.100520

This paper reports the two-dimensional (2D) transient numerical simulation of a phase change material (PCM) based finned heat sink to investigate the heat transfer performance for passive cooling of electronic devices. The finned heat sinks of 2 mm a... Read More about Transient simulation of finned heat sinks embedded with PCM for electronics cooling.

Preparation and characteristics evaluation of mono and hybrid nano-enhanced phase change materials (NePCMs) for thermal management of microelectronics (2020)
Journal Article
Arshad, A., Jabbal, M., & Yan, Y. (2020). Preparation and characteristics evaluation of mono and hybrid nano-enhanced phase change materials (NePCMs) for thermal management of microelectronics. Energy Conversion and Management, 205, Article 112444. https://doi.org/10.1016/j.enconman.2019.112444

Efficient, clean and quiet thermal management has become a vital challenge in for cooling of electronic devices. To enhance the capability and efficiency of passive thermal management , novel composite materials have been designed by the combination... Read More about Preparation and characteristics evaluation of mono and hybrid nano-enhanced phase change materials (NePCMs) for thermal management of microelectronics.

The micro‐/nano‐PCMs for thermal energy storage systems: A state of art review (2019)
Journal Article
Arshad, A., Jabbal, M., Yan, Y., & Darkwa, J. (2019). The micro‐/nano‐PCMs for thermal energy storage systems: A state of art review. International Journal of Energy Research, 43(11), 5572-5620. https://doi.org/10.1002/er.4550

With advancement in technology, the nanotechnology, various thermal energy storage (TES) materials have been invented and modified with promising thermal transport properties. The solid–liquid phase change materials (PCMs) have been extensively used... Read More about The micro‐/nano‐PCMs for thermal energy storage systems: A state of art review.

A review on graphene based nanofluids: preparation, characterization and applications (2019)
Journal Article
Arshad, A., Jabbal, M., Yan, Y., & Reay, D. (2019). A review on graphene based nanofluids: preparation, characterization and applications. Journal of Molecular Liquids, 279, 444-484. https://doi.org/10.1016/j.molliq.2019.01.153

A wide range of heat transfer systems require efficient heat transfer management from source to sink and vice versa. Over the last decade, graphene nanoparticles, matrix nanofluids have been one of the most investigated nanoparticles for a wide range... Read More about A review on graphene based nanofluids: preparation, characterization and applications.

Energy and exergy analysis of fuel cells: a review (2018)
Journal Article
Arshad, A., Ali, H. M., Habib, A., Bashir, M. A., Jabbal, M., & Yan, Y. (2019). Energy and exergy analysis of fuel cells: a review. Thermal Science and Engineering Progress, 9, 308-321. https://doi.org/10.1016/j.tsep.2018.12.008

In this paper, the fundamental overview of theoretical and practical aspects of thermodynamics analysis for mainly used fuel cells (FCs) are presented. The FC converts the chemical energy of fuel (normally hydrogen) directly into electrical energy re... Read More about Energy and exergy analysis of fuel cells: a review.

Efficiency enhancement of synthetic jet actuators using single crystal piezoceramics (2018)
Presentation / Conference Contribution
Jabbal, M., Dave, R., & Nesvijski, E. (2018, July). Efficiency enhancement of synthetic jet actuators using single crystal piezoceramics. Paper presented at 2018 Applied Aerodynamics Conference, Bristol, UK

This report documents the first manufacture and test of a single crystal (PMN-PT) piezoceramic diaphragm synthetic jet actuator for more efficient operation. The experimental investigation included laser vibrometry for diaphragm displacement measurem... Read More about Efficiency enhancement of synthetic jet actuators using single crystal piezoceramics.

Experimental investigation of the aeroacoustics of synthetic jet actuators in quiescent conditions (2018)
Journal Article
Jeyalingam, J., & Jabbal, M. (2018). Experimental investigation of the aeroacoustics of synthetic jet actuators in quiescent conditions. Sensors and Actuators A: Physical, 280, 52-60. https://doi.org/10.1016/j.sna.2018.07.007

In this paper, the aeroacoustic characteristics of a circular orifice, synthetic jet actuator in quiescent conditions is investigated. Electromagnetic actuation, in the form of a shaker-driven actuator with latex diaphragm, proved to be desirable ove... Read More about Experimental investigation of the aeroacoustics of synthetic jet actuators in quiescent conditions.