Jo-Han Ng
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View article: Stability and Tribological Performance of Water-Emulsified Engine Oils for Hydrogen-Fuelled Internal Combustion Engines
Stability and Tribological Performance of Water-Emulsified Engine Oils for Hydrogen-Fuelled Internal Combustion Engines Open
Hydrogen-fuelled internal combustion engines (H2ICEs) generate water vapour that can condense in the sump and form water-in-oil emulsions, altering lubricant performance. This study measures the viscosity–temperature behaviour, copper corr…
View article: Effects of applying the BOPPPS-based collaborative online international learning model in a summer online course
Effects of applying the BOPPPS-based collaborative online international learning model in a summer online course Open
The study investigated the effects of applying the BOPPPS-based collaborative online international learning (COIL) model, i.e., COIL-BOPPPS model, in a summer online course for international students. BOPPPS refers to six steps in lesson p…
View article: Gellan Gum Film Incorporated with Palm Kernel Oil Nanoemulsion for Enhanced Barrier Properties
Gellan Gum Film Incorporated with Palm Kernel Oil Nanoemulsion for Enhanced Barrier Properties Open
Biopolymer-based films are increasingly viewed as viable substitutes for petroleum-based materials. In this study, high acyl gellan gum (HAGG) films were developed by incorporating palm kernel oil nanoemulsions (PKON) to address the intrin…
View article: Sonochemical Synthesis of Rutile Phase Copper-Doped Titanium Dioxide Coating on Fabric and Its Application in Antibacterial Testing of Staphylococcus aureus
Sonochemical Synthesis of Rutile Phase Copper-Doped Titanium Dioxide Coating on Fabric and Its Application in Antibacterial Testing of Staphylococcus aureus Open
In recent years, the utilization of copper-doped titanium dioxide (Cu-TiO2) photocatalysts in antimicrobial activity has received intensive attention from researchers, especially during the COVID 19 pandemic. However, the common synthesis …
View article: Revealing the NO Formation Kinetics for NH3/CH4 Blends Under Dual-Flame and Premixed Swirl Flame Configurations
Revealing the NO Formation Kinetics for NH3/CH4 Blends Under Dual-Flame and Premixed Swirl Flame Configurations Open
Ammonia stands out as a promising zero-carbon fuel and an efficient hydrogen carrier, offering great promise for industrial applications in gas turbines and boilers. However, different combustion modes significantly influence the flame str…
View article: Variable designs of vertical axis wind turbines—a review
Variable designs of vertical axis wind turbines—a review Open
Omnidirectionality and simple design make VAWTs more attractive compared to HAWTs in highly turbulent and harsh operational environments including low wind speed conditions where this technology shines more. However, the performance of VAW…
View article: A Novel PETG Microchannel Reactor for Microwave-Powered Biodiesel Production
A Novel PETG Microchannel Reactor for Microwave-Powered Biodiesel Production Open
Biodiesel stands at the forefront as a replacement for fossil diesel in compression ignition engines, particularly in the transportation sector where diesel engines are the primary movers. However, biodiesel production is hampered by poor …
View article: Comparative analysis of kinetic model-fitting methods and selection priority for horse manure pyrolysis
Comparative analysis of kinetic model-fitting methods and selection priority for horse manure pyrolysis Open
The diverse origins of biomass wastes provide a constraint on the practical application of pyrolysis, as it leads to uncertain chemical reactions, feedstock conversion, and energy consumption. Various model-fit methods are available to ide…
View article: Enhancing Biodiesel Production: A Review of Microchannel Reactor Technologies
Enhancing Biodiesel Production: A Review of Microchannel Reactor Technologies Open
The depletion of fossil fuels, along with the environmental damages brought by their usage, calls for the development of a clean, sustainable and renewable source of energy. Biofuel, predominantly liquid biofuel such as biodiesel, is a pro…
View article: Determination of Pyrolysis and Kinetics Characteristics of Chicken Manure Using Thermogravimetric Analysis Coupled with Particle Swarm Optimization
Determination of Pyrolysis and Kinetics Characteristics of Chicken Manure Using Thermogravimetric Analysis Coupled with Particle Swarm Optimization Open
The valorization of chicken manure via pyrolysis can give biowaste a second life to generate value and contribute to the circular economy. In the present study, the thermal degradation and pyrolysis characteristics of chicken manure pyroly…
View article: Limitations to sustainable renewable jet fuels production attributed to cost than energy-water-food resource availability
Limitations to sustainable renewable jet fuels production attributed to cost than energy-water-food resource availability Open
This research focuses on the sustainability aspect of the renewable jet fuel (RJF) production, which is a critical issue in view of the growing interest of applying RJF to decarbonize the aviation sector. In view of the conflicting require…
View article: Acknowledgement to Reviewers of Green Energy and Sustainability
Acknowledgement to Reviewers of Green Energy and Sustainability Open
Peer review is one of
View article: Boundary Lubricity of Vegetable-Oil-Derived Trimethylolpropane (TMP) Ester
Boundary Lubricity of Vegetable-Oil-Derived Trimethylolpropane (TMP) Ester Open
Vegetable-oil-based biolubricants are an excellent alternative to conventional lubricants. Instead of focusing on novel feedstocks, these biolubricants should be further elucidated based on their fatty acid composition, which influences th…
View article: Bioenergy Generation Potential of Empty Fruit Bunch and Waste Tire Through Microwave Pyrolysis: An Energy Balance Analysis
Bioenergy Generation Potential of Empty Fruit Bunch and Waste Tire Through Microwave Pyrolysis: An Energy Balance Analysis Open
Energy has been needed more than ever, especially in the 21st century, for daily activities. The generation of energy from fossil sources fuels the industry's evolution but induces irreversible damage to the environment. Focus has been shi…
View article: Comparison of thermophysical properties and combustion characteristics of various biodiesels in a non-MILD ultra-low emission swirl burner
Comparison of thermophysical properties and combustion characteristics of various biodiesels in a non-MILD ultra-low emission swirl burner Open
All global decarbonization strategies increase the importance of biodiesels in the future. Presently, three
\nrepresentative biodiesels: coconut, oil palm, and waste cooking oil, were studied. The coconut methyl ester is the
\nmost volatil…
View article: Investigation into the Aerodynamic Performance of a Vertical Axis Wind Turbine with Endplate Design
Investigation into the Aerodynamic Performance of a Vertical Axis Wind Turbine with Endplate Design Open
For the past decade, research on vertical axis wind turbines (VAWTs) has garnered immense interest due to their omnidirectional characteristic, especially the lift-type VAWT. The H-rotor Darrieus VAWT operates based on the lift generated b…
View article: Co-pyrolysis of Empty Fruit Bunch and Waste Tire: A Kinetics and Synergism Analysis
Co-pyrolysis of Empty Fruit Bunch and Waste Tire: A Kinetics and Synergism Analysis Open
The efforts in discovering new, green and sustainable energy sources have been overwhelming, all with the common aim of combating global warming and environmental pollution while protecting the supply security of conventional energy source…
View article: Pyrolysis Behaviour and Kinetic Analysis of Food Waste Sludge Cake
Pyrolysis Behaviour and Kinetic Analysis of Food Waste Sludge Cake Open
Concerns regarding energy security are raised due to the conventional fossil fuel depletion, which drives the need of diversifying fuel sources for power generation. Sewage sludge, which is a waste product from the wastewater treatment pla…
View article: Exergy Analysis of a Natural Gas-Fired Gas Turbine Combined Cycle Power Plant with Post-Combustion Carbon Capture
Exergy Analysis of a Natural Gas-Fired Gas Turbine Combined Cycle Power Plant with Post-Combustion Carbon Capture Open
Post-combustion carbon capture (PCC) plays an important role in reducing the greenhouse gas emissions. In the present study, an exergy analysis is conducted to assess the exergy destruction and exergetic efficiency of a natural gas-fired c…
View article: Ultra-low emission combustion of diesel-coconut biodiesel fuels by a mixture temperature-controlled combustion mode
Ultra-low emission combustion of diesel-coconut biodiesel fuels by a mixture temperature-controlled combustion mode Open
Liquid fuels are likely to remain the main energy source in long-range transportation and aviation for several decades. To reduce our dependence on fossil fuels, liquid biofuels can be blended to fossil fuels – or used purely. In this pape…
View article: Experimental investigation of a diffuser-integrated vertical axis wind turbine
Experimental investigation of a diffuser-integrated vertical axis wind turbine Open
The increase in energy demand and environmental pollution issues has led to the growth of utilizing renewable energy. Wind energy has become one of the main alternatives for power generation. In order to enhance the performance of the hori…