All Outputs (10)

Solar Thermal Plant With Heat Recovery To Reduce Energy Consumption Of Continuous Textile Mercerisation Process (2022)
Presentation / Conference Contribution
Kahwash, F., & Majeed, H. (2022, June). Solar Thermal Plant With Heat Recovery To Reduce Energy Consumption Of Continuous Textile Mercerisation Process. Presented at Advances in Renewable and Clean Energy Technologies, Online

The textile industry is resource intensive and environmentally polluting. Textile exporting countries, such as Pakistan and Bangladesh are facing strain on their resources. Woven fabrics, require several chemical treatment processes, which consumes l... Read More about Solar Thermal Plant With Heat Recovery To Reduce Energy Consumption Of Continuous Textile Mercerisation Process.

Optimising Electrical Power Supply Sustainability Using a Grid-Connected Hybrid Renewable Energy System—An NHS Hospital Case Study (2021)
Journal Article
Kahwash, F., Barakat, B., Taha, A., Abbasi, Q. H., & Imran, M. A. (2021). Optimising Electrical Power Supply Sustainability Using a Grid-Connected Hybrid Renewable Energy System—An NHS Hospital Case Study. Energies, 14(21), Article 7084. https://doi.org

This study focuses on improving the sustainability of electrical supply in the healthcare system in the UK, to contribute to current efforts made towards the 2050 net-zero carbon target. As a case study, we propose a grid-connected hybrid renewable e... Read More about Optimising Electrical Power Supply Sustainability Using a Grid-Connected Hybrid Renewable Energy System—An NHS Hospital Case Study.

Integration and optimisation of high-penetration Hybrid Renewable Energy Systems for fulfilling electrical and thermal demand for off-grid communities (2021)
Journal Article
Kahwash, F., Maheri, A., & Mahkamov, K. (2021). Integration and optimisation of high-penetration Hybrid Renewable Energy Systems for fulfilling electrical and thermal demand for off-grid communities. Energy Conversion and Management, 236, Article 114035.

The recent steep decline in the cost of PV panels and wind turbines provides an opportunity to utilise Hybrid Renewable Energy Systems (HRES) to fulfil thermal loads as well as the electrical demand. Two coupled system architectures are proposed and... Read More about Integration and optimisation of high-penetration Hybrid Renewable Energy Systems for fulfilling electrical and thermal demand for off-grid communities.

Enhancing thermal conductivity of paraffin wax 53–57 °C using expanded graphite (2019)
Journal Article
Kenisarin, M., Mahkamov, K., Kahwash, F., & Makhkamova, I. (2019). Enhancing thermal conductivity of paraffin wax 53–57 °C using expanded graphite. Solar Energy Materials and Solar Cells, 200, Article 110026. https://doi.org/10.1016/j.solmat.2019.110

The latent heat thermal storage using Phase Change Materials (PCMs) is one of the essential aspects to be addressed for rapid expansion of utilisation of Renewable Energy sources and waste heat. The major disadvantage of PCMs, deployed in such therma... Read More about Enhancing thermal conductivity of paraffin wax 53–57 °C using expanded graphite.

Novel Twin-Screw Stirling Cycle Machine for Cryogenic and Refrigeration Applications (2018)
Presentation / Conference Contribution
Mahkamov, K., Makhkamova, I., & Kahwash, F. (2018). Novel Twin-Screw Stirling Cycle Machine for Cryogenic and Refrigeration Applications. In ASME 2018 International Mechanical Engineering Congress and Exposition. https://doi.org/10.1115/imece2018-86853

This paper describes design and principles of operation of a novel rotary type Stirling cycle machines based on rotary positive displacement mechanisms such as twin-screw, gate rotor screw, scroll, and conical screw compressors and expanders. When th... Read More about Novel Twin-Screw Stirling Cycle Machine for Cryogenic and Refrigeration Applications.

Dynamic simulation of machining composites using the explicit element-free Galerkin method (2018)
Journal Article
Kahwash, F., Shyha, I., & Maheri, A. (2018). Dynamic simulation of machining composites using the explicit element-free Galerkin method. Composite Structures, 198, 156-173. https://doi.org/10.1016/j.compstruct.2018.05.034

Machining operations are performed on composite parts to obtain the final geometry. However, machining composites is challenging due to their low machinability and high cost. Numerical modelling of machining presents a valuable tool for cost reductio... Read More about Dynamic simulation of machining composites using the explicit element-free Galerkin method.

An Investigation into the Dependency of Cutting Forces on the Volume Fraction and Fibre Orientation during Machining Composite Materials (2017)
Journal Article
Kahwash, F., Shyha, I., & Maheri, A. (2017). An Investigation into the Dependency of Cutting Forces on the Volume Fraction and Fibre Orientation during Machining Composite Materials. Materials Science Forum, 882, 61-65. https://doi.org/10.4028/www.scienti

This paper presents an empirical force model quantifying the effect of fibre volume fraction and fibre orientation on the cutting forces during orthogonal cutting of unidirectional composites. Glass fibre plates and high speed steel cutting tools are... Read More about An Investigation into the Dependency of Cutting Forces on the Volume Fraction and Fibre Orientation during Machining Composite Materials.

Meshfree formulation for modelling of orthogonal cutting of composites (2017)
Journal Article
Kahwash, F., Shyha, I., & Maheri, A. (2017). Meshfree formulation for modelling of orthogonal cutting of composites. Composite Structures, 166, 193-201. https://doi.org/10.1016/j.compstruct.2017.01.021

The Element-Free Galerkin method (EFG) is a prominent member of the meshfree methods family. In this work, EFG is utilised to simulate the orthogonal cutting process of unidirectional composites. The mathematical model is derived from the weak form o... Read More about Meshfree formulation for modelling of orthogonal cutting of composites.

Machining Unidirectional Composites using Single-Point Tools: Analysis of Cutting Forces, Chip Formation and Surface Integrity (2015)
Presentation / Conference Contribution
Kahwash, F., Shyha, I., & Maheri, A. (2015). Machining Unidirectional Composites using Single-Point Tools: Analysis of Cutting Forces, Chip Formation and Surface Integrity. Procedia Engineering, 132, 569-576. https://doi.org/10.1016/j.proeng.2015.12.534

The need for high quality machining of composite materials is rising due to the increased utilisation of these materials across several applications. This paper presents experimental findings of orthogonal cutting of unidirectional glass fibre reinfo... Read More about Machining Unidirectional Composites using Single-Point Tools: Analysis of Cutting Forces, Chip Formation and Surface Integrity.

Modelling of cutting fibrous composite materials: current practice (2015)
Presentation / Conference Contribution
Kahwash, F., Shyha, I., & Maheri, A. (2015). Modelling of cutting fibrous composite materials: current practice. Procedia CIRP, 28, 52-57. https://doi.org/10.1016/j.procir.2015.04.010

Using fibre reinforced polymers (FRP) is increasing across many industries. Although FRP are laid-up in the near-net shape, several cutting operations are necessary to meet quality and dimensional requirements. Modelling of cutting is essential to un... Read More about Modelling of cutting fibrous composite materials: current practice.