Article
Energy & Fuels
Erny Afiza Alias, Ftwi Yohaness Hagos, Muhammad Izhar Ishak, Fatimah Dzaharudin, Abdul Adam Abdullah, Ameerul Asyraff
Summary: The study found that using MB-mixed fuels in diesel engines can improve fuel efficiency, but may also lead to an increase in emissions.
Article
Energy & Fuels
Sina Faizollahzadeh Ardabili, Bahman Najafi, Mortaza Aghbashlo, Zahra Khounani, Meisam Tabatabaei
Summary: The use of dual-fuel combustion process with additives like carbon nanoparticles and water in the fuel can improve engine performance and reduce emissions.
Article
Energy & Fuels
B. Karpanai Selvan, Soni Das, M. Chandrasekar, R. Girija, S. John Vennison, N. Jaya, P. Saravanan, M. Rajasimman, Yasser Vasseghian, N. Rajamohan
Summary: The study investigates the performance and emission characteristics of various biomass blends in a diesel engine. The results show that the AO10D blend performs well with higher thermal efficiency and lower emissions at 50% load.
Article
Energy & Fuels
M. N. A. Mukhtar, Ftwi Y. Hagos, Abd Rashid Abd Aziz, Abdul Adam Abdulah, Zainal Ambri Abdul Karim
Summary: The study shows that the diesel engine running on tri-fuel emulsions exhibits positive combustion characteristics improvement, especially in terms of heat release rate and in-cylinder pressure during the ignition delay period.
Review
Green & Sustainable Science & Technology
Anh Tuan Hoang, Sandro Nizetic, Hwai Chyuan Ong, Wieslaw Tarelko, Van Viet Pham, Tri Hieu Le, Minh Quang Chau, Xuan Phuong Nguyen
Summary: Research on biodiesel as a potential biofuel strategy, using artificial neural network (ANN) models to predict engine performance and emission characteristics, highly accurate and reliable.
SUSTAINABLE ENERGY TECHNOLOGIES AND ASSESSMENTS
(2021)
Article
Environmental Sciences
Senthil Kumar Srinivasan, Rajan Kuppusamy, Purushothaman Krishnan
Summary: The research investigates the combustion, performance, and emission characteristics of a CI engine using neat biodiesel mixed with alumina and titanium oxide nanoparticles. The addition of nanoparticles resulted in increased brake thermal efficiency, reduced brake-specific fuel consumption, and decreased CO, HC, and smoke emissions, while NOx emissions increased compared to neat biodiesel.
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
(2021)
Article
Thermodynamics
Sudarshan Gowrishankar, Anand Krishnasamy
Summary: This study investigated the effectiveness of using emulsions prepared with water and ethanol to reduce NOx emissions and improve smoke emissions in biodiesel. The results showed that emulsified biodiesel provided significant benefits in terms of reduced exhaust emissions and improved engine performance.
Article
Chemistry, Multidisciplinary
Ye Min Oo, Jarernporn Thawornprasert, Narong Intaprom, Kammarat Rodniem, Krit Somnuk
Summary: The research compared the engine performance and exhaust emissions of direct injection (DI) and indirect injection diesel (IDI) engines fueled with different types of fuel. Results showed that the DI engine had higher efficiency and lower fuel consumption compared to the IDI engine, particularly at high engine loads. The study also demonstrated that the use of nanoemulsion fuel in the IDI engine significantly reduced NOx emissions.
Article
Energy & Fuels
Ali Khanjani, Mohammad Amin Sobati
Summary: In this study, waste fish oil was utilized to produce biodiesel and emulsion fuels, which were then tested in a diesel engine to evaluate performance and emissions. Through multi-objective optimization, the best emulsion fuel formulation was identified, resulting in simultaneous reduction of CO, unburnt hydrocarbon, and nitrogen oxide emissions compared to neat diesel fuel.
Article
Thermodynamics
Ravikumar Jayabal, Sekar Subramani, Damodharan Dillikannan, Yuvarajan Devarajan, Lakshmanan Thangavelu, Mukilarasan Nedunchezhiyan, Gopal Kaliyaperumal, Melvin Victor De Poures
Summary: This study investigates the combined effect of compression ratio and exhaust gas recirculation on the combustion, performance, and emissions of a common rail direct injection engine fueled by a blend of sapota methyl ester and diesel. The results show that increasing the compression ratio reduces ignition delay and increases heat release rate. Higher exhaust gas recirculation rates reduce nitrogen oxide emissions but increase smoke opacity. The use of the biodiesel blend reduces hydrocarbon and carbon monoxide emissions compared to neat diesel. The optimal condition for improved combustion, performance, energy, and reduced emissions is a 50% biodiesel blend with a compression ratio of 16 and an exhaust gas recirculation rate of 20%.
Article
Energy & Fuels
Zhiqing Zhang, Jie Tian, Jiangtao Li, Junshuai Lv, Su Wang, Yunhao Zhong, Rui Dong, Sheng Gao, Chao Cao, Dongli Tan
Summary: This study investigates and compares the effects of blended fuels with different alcohol substitution ratios on the combustion, performance, and emission characteristics of a diesel engine. The results show that the D80M10B10 blended fuel is the most beneficial in improving cylinder pressure, prolonging ignition delay, and shortening combustion duration. Additionally, the addition of alcohol fuels reduces soot, HC, and CO emissions, but increases NOx emissions.
Review
Engineering, Environmental
Yogesh Palani, Chandramohan Devarajan, Dhanashekar Manickam, Sathish Thanikodi
Summary: Biodiesel is considered to be an ideal alternative to fossil fuels, as it significantly reduces harmful emissions and improves combustion efficiency in diesel engines.
ENVIRONMENTAL ENGINEERING RESEARCH
(2022)
Article
Energy & Fuels
Alireza Shirneshan, Seyed Amin Bagherzadeh, Gholamhassan Najafi, Rizalman Mamat, Mohamed Mazlan
Summary: The research investigated the combined effects of biodiesel-ethanol fuel blends on a diesel engine's performance and emission parameters using response surface methodology. Results showed that increasing ethanol in the fuel mixture decreased brake power and torque, while improving BSFC. Higher ethanol percentage led to reduced smoke and NOx emissions, while higher biodiesel percentage reduced CO emissions. Genetic algorithm optimization showed optimal conditions with 94.65% biodiesel, 2800 RPM, and 65.75% engine load. Ethanol was found to be more effective in improving emission characteristics than performance characteristics.
Article
Energy & Fuels
K. Sudalaiyandi, Karthick Alagar, Vignesh R. Kumar, Manoj V. J. Praveen, P. Madhu
Summary: Fossil fuels are being depleted and researchers are turning to new energy options. A study was conducted to investigate the efficiency and emissions of diesel fuel blended with linseed and rubber seed oil as biodiesels. The experimental results showed that blends with 5% and 10% of linseed and rubber seed oil had the optimum performance efficiency compared to other blends.
Article
Thermodynamics
Jong Boon Ooi, Chia Chuin Kau, Dilrukshan Naveen Manoharan, Xin Wang, Manh-Vu Tran, Yew Mun Hung
Summary: Adding multi-walled carbon nanotubes improves the thermal conductivity of 20 vol% palm oil biodiesel in fossil diesel (B20). Experimental results from a single-cylinder diesel engine show that the addition of MWCNTs reduces ignition delay, improves combustion efficiency and performance, and reduces CO and UHC emissions while increasing NOx emissions.
Review
Environmental Sciences
Ahsan Mehmood, Fahad Saleem Ahmed Khan, Nabisab Mujawar Mubarak, Yie Hua Tan, Rama Rao Karri, Mohammad Khalid, Rashmi Walvekar, Ezzat Chan Abdullah, Sabzoi Nizamuddin, Shaukat Ali Mazari
Summary: This article highlights the application and production methods of carbon- and polymer-based magnetic nanocomposites for sustainable water purification, focusing on the removal of heavy metal ions and dyes, evaluating their commercial viability and future challenges.
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
(2021)
Article
Green & Sustainable Science & Technology
Monnie John, Mohammad Omar Abdullah, Tan Yie Hua, Cirilo Nolasco-Hipolito
Summary: This study investigates biodiesel production from sunflower oil using a heterogeneous catalyst derived from indigenous ginger leaves, with KGL catalyst demonstrating the highest biodiesel yield under optimal conditions. The research also emphasizes the importance of a higher sustainable renewable energy-yield ratio and overall economical profit cost ratio for the biodiesel production process.
Article
Nanoscience & Nanotechnology
Celine Ming Hui Goh, Yie Hua Tan, N. M. Mubarak, Jibrail Kansedo, Umer Rashid, Mohammad Khalid, Rashmi Walvekar
Summary: This study utilized waste palm kernel shells to prepare recyclable magnetic catalysts, which were successfully used in the methanolysis of palm oil to produce biodiesel with high yield. Experimental factors were optimized, and the waste catalyst demonstrated good reusability and stability in the biodiesel production process.
APPLIED NANOSCIENCE
(2022)
Review
Materials Science, Multidisciplinary
Fahad Saleem Ahmed Khan, N. M. Mubarak, Mohammad Khalid, Mohammad Mansoob Khan, Yie Hua Tan, Rashmi Walvekar, E. C. Abdullah, Rama Rao Karri, Muhammad Ekhlasur Rahman
Summary: The translation discusses the incredible properties of carbonaceous materials, especially carbon nanotubes (CNTs), and the attention hybrid nanocomposites have garnered in recent years. Various techniques for fabrication, separation, and purification of CNTs and their nanocomposites are summarized, along with their industrial applications and innovative devices with fascinating properties.
CRITICAL REVIEWS IN SOLID STATE AND MATERIALS SCIENCES
(2022)
Article
Green & Sustainable Science & Technology
Hanson Dalun, Mohammad Omar Abdullah
Summary: The Sarawak River, also known as Sungai Sarawak, is a vital water source for residents in Kuching City and surrounding areas, but is threatened by leachate discharge and other pollutants. The study found that in the event of accidental leakages, the water quality of the Sarawak River may be seriously contaminated.
JOURNAL OF CLEANER PRODUCTION
(2021)
Review
Chemistry, Multidisciplinary
Mohd Nurfirdaus Bin Mohiddin, Yie Hua Tan, Yee Xuan Seow, Jibrail Kansedo, N. M. Mubarak, Mohammad Omar Abdullah, Yen San Chan, Mohammad Khalid
Summary: The development of biodiesel as an alternative to fossil fuels has been driven by the detrimental impact of fossil fuel utilization on the environment. The production of biodiesel involves transesterification, with factors such as feedstock and catalyst type and amount, alcohol-to-feedstock ratio, and reaction conditions affecting the quantity and quality of biodiesel produced. Recent studies have focused on improving the efficiency of biodiesel reactors for commercial production.
JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY
(2021)
Review
Thermodynamics
Adila Fakhar, Ahmed M. A. Haidar, M. O. Abdullah, Narottam Das
Summary: The smart grid is a collection of renewable energy resources and enabling technologies with intelligent control to improve asset utilization. This paper explores the evolution of smart grids with renewable energy and provides an overview of research works on smart energy systems management and control. It also analyzes the application of cloud computing, the internet of things, and blockchain technology in renewable energy projects, and quantifies communication technology performance through real cases.
INTERNATIONAL JOURNAL OF GREEN ENERGY
(2023)
Article
Chemistry, Physical
Ibrahim Yakub, Ahmad Beng Hong Kueh, Edwin Andres Pineda De la O, Md Rezaur Rahman, Mohamad Hardyman Barawi, Mohammad Omar Abdullah, Mugahed Amran, Roman Fediuk, Nikolai Ivanovich Vatin
Summary: This study investigates the effects of copper and iron oxide crystallite size on the performance of catalysts in reducing nitrogen oxides. It reveals that the copper-to-iron ratio affects the crystal phases and size distribution over the carbon support. Predictive equations are developed using an artificial neural network technique for the prediction of NOx conversion and N-2 selectivity. The model is highly applicable at operating temperatures of 250-300 degrees C.
Article
Environmental Sciences
Arson Edberg anak Erison, Yie Hua Tan, N. M. Mubarak, Jibrail Kansedo, Mohammad Khalid, Mohammad Omar Abdullah, Mostafa Ghasemi
Summary: Biodiesel, as a renewable and environmentally friendly option, faces current issues that hinder its development, with the utilization of impregnated magnetic biochar derived from waste PKS catalyst showing potential to reduce environmental impacts. Further research on life cycle cost and sensitivity analysis is needed to promote sustainable biodiesel production.
ENVIRONMENTAL RESEARCH
(2022)
Review
Chemistry, Multidisciplinary
Peter Nai Yuh Yek, Yi Herng Chan, Shin Ying Foong, Wan Adibah Wan Mahari, Xiangmeng Chen, Rock Keey Liew, Nyuk Ling Ma, Yiu Fai Tsang, Christian Sonne, Yoke Wang Cheng, Yie Hua Tan, Su Shiung Lam
Summary: The increasing global population and industrialization have led to a higher demand for plastics. Landfilling, the predominant method for plastic waste disposal, poses a significant threat to the environment and public health. Efficient management of biomass and plastic waste is a critical challenge. Gasification and pyrolysis, two waste treatment processes, can enhance the yield and quality of bio-oil, biochar, and syngas. Integration of these processes can reduce energy consumption, increase hydrogen production, and improve the quality of bio-oil. Selective catalysts in the pyrolysis-gasification process can optimize the production of high-purity carbon nanotubes and bio-oil.
ENVIRONMENTAL CHEMISTRY LETTERS
(2023)
Article
Chemistry, Analytical
Nurul Mirzha Syerliza Hlimin, Mohammad Omar Abdullah, Noraziah Abdul Wahab, Radzuan Junin, Awang Ahmad Sallehin Awang Husaini, Augustine Agi
Summary: This study investigated the chemical properties of a new ginger species called Iban ginger. The oil extracts yield from fresh and dried Iban ginger were compared and analyzed, showing that the yield increases with extraction time, freshness of ginger, and type of solvent use. Despite the comparatively hotter taste, the bioactive compounds properties of Iban ginger are similar to other types of gingers reported in literature.
CHINESE JOURNAL OF ANALYTICAL CHEMISTRY
(2022)
Review
Engineering, Environmental
Yee Xuan Seow, Yie Hua Tan, N. M. Mubarak, Jibrail Kansedo, Mohammad Khalid, Mohd Lokman Ibrahim, Mostafa Ghasemi
Summary: Biochar, derived from plant-based biomass, is considered an ideal sustainable carbon material with low thermal conductivity, high porosity, high surface area, renewability, high stability, high carbon content, and bulk density. It has diverse applications in wastewater treatment, soil amendments, catalysts, and energy storage. Different synthesis techniques can be used to generate biochar with varying physicochemical properties.
JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING
(2022)
Article
Computer Science, Information Systems
Jye Yun Fam, Shen Yuong Wong, Hazrul Bin Mohamed Basri, Mohammad Omar Abdullah, Kasumawati Binti Lias, Saad Mekhilef
Summary: This project focuses on developing a predictive maximum power point tracking (MPPT) for a proton exchange membrane fuel cell system, incorporating a predictive control algorithm for a DC-DC boost converter in the mathematical modeling. Simulation results in MATLAB demonstrate that the newly designed MPPT algorithm offers fast tracking, accuracy, and robustness for different fuel cell parameters, with a tracking time at least five times faster than traditional methods like the particle swarm optimizer with the proportional-integral-derivative controller.
Review
Engineering, Environmental
Fahad Saleem Ahmed Khan, Nabisab Mujawar Mubarak, Mohammad Khalid, Yie Hua Tan, Ezzat Chan Abdullah, Muhammad Ekhlasur Rahman, Rama Rao Karri
Summary: The review discusses the presence of emerging micropollutants and their deleterious effects on human and animal health, as well as the various methods for removing micropollutants using different types of CNTs. The fabrication approaches for CNTs-based composites/membranes and their application barriers are also addressed in detail.
JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING
(2021)
Review
Engineering, Environmental
Shoaib Ahmed, Fahad Saleem Ahmed Khan, Nabisab Mujawar Mubarak, Mohammad Khalid, Yie Hua Tan, Shaukat Ali Mazari, Rama Rao Karri, Ezzat Chan Abdullah
Summary: Emerging pollutants pose a threat to aquatic environments, and traditional water treatment methods are not efficient enough, requiring innovative and eco-friendly technologies. In recent years, semiconductor-supported photocatalysis has gained attention for its unique characteristics in removing these pollutants.
JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING
(2021)
Article
Thermodynamics
Pengcheng Zhao, Jingang Wang, Liming Sun, Yun Li, Haiting Xia, Wei He
Summary: The production of green hydrogen through water electrolysis is crucial for renewable energy utilization and decarbonization. This research explores the optimal electrode configuration and system design of compactly-assembled industrial electrolyzer. The findings provide valuable insights for industrial application of water electrolysis equipment.
ENERGY CONVERSION AND MANAGEMENT
(2024)
Article
Thermodynamics
V. Baiju, P. Abhishek, S. Harikrishnan
Summary: Thermally driven adsorption desalination systems (ADS) have gained attention as an eco-friendly solution for water scarcity. However, they face challenges related to low water productivity and scalability. To overcome these challenges, integrating ADS with other desalination technologies can create a small-scale hybrid system. This study proposes integrating ADS with a Thermo Electric Dehumidification (TED) unit to enhance its performance.
ENERGY CONVERSION AND MANAGEMENT
(2024)
Article
Thermodynamics
C. X. He, Y. H. Liu, X. Y. Huang, S. B. Wan, Q. Chen, J. Sun, T. S. Zhao
Summary: A decentralized centroid multi-path RC network model is constructed to improve the temperature prediction accuracy compared to traditional RC models. By incorporating multiple heat flow paths and decentralizing thermal capacity, a more accurate prediction is achieved.
ENERGY CONVERSION AND MANAGEMENT
(2024)
Article
Thermodynamics
Chaoying Li, Meng Wang, Nana Li, Di Gu, Chao Yan, Dandan Yuan, Hong Jiang, Baohui Wang, Xirui Wang
Summary: There is an urgent need to shift away from heavy dependence on fossil fuels and embrace renewable energy sources, particularly in the energy-intensive oil refining process. This study presents an innovative concept called the Solar Oil Refinery, which applies solar energy in oil refining. A solar multi-energies-driven hybrid chemical oil refining system that utilizes solar pyrolysis and electrolysis has been developed, significantly improving solar utilization efficiency, cracking rate, and hydrogen yield.
ENERGY CONVERSION AND MANAGEMENT
(2024)
Article
Thermodynamics
Chao Ma, Guanghui Wang, Dingbiao Wang, Xu Peng, Yushen Yang, Xinxin Liu, Chongrui Yang, Jiaheng Chen
Summary: This study proposes a bio-inspired fish-tail wind rotor to improve the wind power efficiency of the traditional Savonius rotor. Through transient simulations and orthogonal experiments, the key factors affecting the performance are identified. A response surface model is constructed to optimize the power coefficient, resulting in an improvement of 9.4% and 6.6% compared to the Savonius rotor.
ENERGY CONVERSION AND MANAGEMENT
(2024)
Article
Thermodynamics
Sina Bahmanziari, Abbas-Ali Zamani
Summary: This paper proposes a new framework for improving electrical energy harvesting from piezoelectric smart tiles through a combination of magnetic plucking, mechanical impact, and mechanical vibration force mechanisms. Experimental results demonstrate a significant increase in energy yield and average energy harvesting time compared to other mechanisms.
ENERGY CONVERSION AND MANAGEMENT
(2024)
Article
Thermodynamics
Nanjiang Dong, Tao Zhang, Rui Wang
Summary: This study establishes a multiobjective mixed-variable configuration optimization model for a comprehensive combined cooling, heating, and power energy system, and proposes an efficient generating operator to optimize this model. The experimental results show that the proposed algorithm performs better than other state-of-the-art algorithms.
ENERGY CONVERSION AND MANAGEMENT
(2024)
Article
Thermodynamics
Ahmed E. Mansy, Eman A. El Desouky, Tarek H. Taha, M. A. Abu-Saied, Hamada El-Gendi, Ranya A. Amer, Zhen-Yu Tian
Summary: This study aims to convert office paper waste into bioethanol through a sustainable pathway. The results show that physiochemical and enzymatic hydrolysis of the waste can yield a high glucose concentration. The optimal conditions were determined using the Box-Behnken design, and a blended membrane was used for ethanol purification.
ENERGY CONVERSION AND MANAGEMENT
(2024)
Article
Thermodynamics
Sven Klute, Marcus Budt, Mathias van Beek, Christian Doetsch
Summary: Heat pumps are crucial for decarbonizing heat supply, and steam generating heat pumps have the potential to decarbonize the industrial sector. This paper presents the current state, technical and economic data, and modeling principles of steam generating heat pumps.
ENERGY CONVERSION AND MANAGEMENT
(2024)
Article
Thermodynamics
Le Zhang, To-Hung Tsui, Yen Wah Tong, Pruk Aggarangsi, Ronghou Liu
Summary: This study investigates the effectiveness of a current-carrying-coil-based magnetic field in promoting anaerobic digestion of chicken manure. The results show that the applied magnetic field increases methane yield, decreases carbon dioxide production, and reduces the concentration of ammonia nitrogen. Microbial community analysis reveals the enrichment of certain methanogenic genera and enhanced metabolic pathways. Pilot-scale experiments confirm the technical effectiveness of the magnetic field assistance in enhancing anaerobic digestion of chicken manure.
ENERGY CONVERSION AND MANAGEMENT
(2024)
Article
Thermodynamics
Bo Chen, Ruiqing Ma, Yang Zhou, Rui Ma, Wentao Jiang, Fan Yang
Summary: This paper presents an advanced energy management strategy for fuel cell hybrid electric heavy-duty vehicles, focusing on speed planning and energy allocation. By utilizing predictive co-optimization control, this strategy ensures safe inter-vehicle distance and minimizes energy demand. Simulation results demonstrate the effectiveness of the proposed method in reducing fuel cell degradation cost and overall operation cost.
ENERGY CONVERSION AND MANAGEMENT
(2024)
Article
Thermodynamics
Fabio Fatigati, Roberto Cipollone
Summary: Organic Rankine Cycle-based microcogeneration systems that use solar sources to generate electricity and hot water can help reduce CO2 emissions in residential energy-intensive sectors. The adoption of a recuperative heat exchanger in these systems improves efficiency, reduces thermal power requirements, and saves on electricity costs.
ENERGY CONVERSION AND MANAGEMENT
(2024)
Article
Thermodynamics
Lipeng He, Renwen Liu, Xuejin Liu, Xiaotian Zheng, Limin Zhang, Jieqiong Lin
Summary: This research proposes a piezoelectric-electromagnetic hybrid energy harvester (PEHEH) for low-frequency wave motion and self-sensing wave environment monitoring. The PEHEH shows promising power output and the ability to self-power and self-sense the wave environment.
ENERGY CONVERSION AND MANAGEMENT
(2024)
Article
Thermodynamics
Shangling Chu, Yang Liu, Zipeng Xu, Heng Zhang, Haiping Chen, Dan Gao
Summary: This paper studies a distributed energy system integrated with solar and natural gas, analyzes the impact of different parameters on its energy utilization and emissions reduction, and obtains the optimal solution through an optimization algorithm. The results show that compared to traditional separation production systems, this integrated system achieves higher energy utilization and greater reduction in carbon emissions.
ENERGY CONVERSION AND MANAGEMENT
(2024)
Article
Thermodynamics
Qingpu Li, Yaqi Ding, Guangming Chen, Yongmei Xuan, Neng Gao, Nian Li, Xinyue Hao
Summary: This paper proposes and studies a piston-type thermally-driven pump with a structure similar to a linear compressor, aiming to eliminate the high-quality energy consumption of existing pumps and replace mechanical pumps. The coupling mechanism of working fluid flow and element dimension is analyzed based on force analysis, and experimental data analysis is used to determine the pump operation stroke. Theoretical simulation is conducted to analyze the correlation mechanism of the piston assembly. The research shows that the thermally-driven pump can greatly reduce power consumption and has potential for industrial applications.
ENERGY CONVERSION AND MANAGEMENT
(2024)
