Article
Thermodynamics
A. S. El-Shafay, Uemit Agbulut, El-Awady Attia, Kamel Lounes Touileb, M. S. Gad
Summary: This study demonstrates through experiments that chicken oil methyl ester can be used as a fuel substitute in diesel engines and significantly reduce emissions.
Article
Energy & Fuels
Mustafa Deniz Altinkurt, Yunus Emre Ozturk, Ali Turkcan
Summary: High carbon alcohols have gained research interest in diesel engines. The effects of increasing their fractions in diesel-biodiesel blends were investigated on combustion, injection, performance and emission parameters. The results showed that increasing high carbon alcohol fraction in the blends had an impact on combustion and emissions.
Article
Engineering, Environmental
M. S. Gad, A. S. El-Shafay, H. M. Abu Hashish
Summary: The study investigates the use of non-edible oils as alternative fuels, with the screw press extraction method showing higher oil yield and improved properties. Blending biodiesel with diesel oil at different ratios resulted in varying effects on engine performance and emissions.
PROCESS SAFETY AND ENVIRONMENTAL PROTECTION
(2021)
Article
Thermodynamics
Siraj Sayyed, Randip Kumar Das, Kishor Kulkarni
Summary: The research focuses on evaluating the performance, combustion, and emissions characteristics of a DICI engine fueled with dual biodiesel blends, produced from non-edible bio-oils. The study found differences in performance and emissions compared to neat diesel, with certain blends showing potential for reducing CO emissions.
Review
Environmental Sciences
Shiva Kumar Reddy Devasani, Sudeshna Vodnala, Dharmasai Singarapu, Jayashri N. Nair
Summary: Global dependence and overuse of fossil fuels are depleting fossil fuel energy, while biodiesel falls short in engine performance and emissions due to inferior physical properties. By mixing biodiesel with different types of alcohols, the inferior properties of the blends are neutralized, leading to positive engine results with ternary or quaternary blends. Detailed studies on these blends with respect to performance, emissions, and combustion characteristics highlight various research outcomes.
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
(2022)
Article
Thermodynamics
Sunayna Saikia, Devesh Kumar, Subrata Bhoumik, Abhishek Paul
Summary: This study investigates the effects of titanium dioxide nanoparticles-doped Jatropha biodiesel on the performance, combustion, and exhaust emissions of a compression ignition engine. Different fuel injection pressures and timings are tested. The results show that the titanium dioxide nanoparticle doping significantly improves combustion, efficiency, and reduces emissions. The study suggests the potential of titanium dioxide nanoparticles in enhancing biodiesel combustion in a CRDI engine.
JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY
(2023)
Article
Green & Sustainable Science & Technology
Mutlu Okcu, Yasin Varol, Sehmus Altun, Mujdat Firat
Summary: The study investigated the impact of using low reactivity fuel IBE in an RCCI engine and found the optimal premixed ratio for combustion characteristics and NOx emissions under different loads.
SUSTAINABLE ENERGY TECHNOLOGIES AND ASSESSMENTS
(2021)
Article
Green & Sustainable Science & Technology
V Praveena, M. Leenus Jesu Martin, Edwin Geo Varuvel
Summary: This experimental work addresses the challenges of waste management by converting biomass waste into useful fuel for internal combustion engines. The study analyzes the effects of different piston shapes and nozzle profiles on the energy and exergy rates of an engine running on grapeseed oil methyl ester blended with cerium oxide nano particles. The results show that adjusting the nozzle shape and hole number can improve the energy efficiency and exergetic efficiency of the engine, while reducing exhaust emissions.
JOURNAL OF CLEANER PRODUCTION
(2022)
Article
Thermodynamics
Mehmet Zerrakki Isik
Summary: The experiments in the article showed that adding alcohols to biodiesel fuel can increase fuel consumption, but blending specific quantities of heavy alcohols with biodiesel can significantly improve engine brake thermal efficiency, combustion, and reduce emissions.
APPLIED THERMAL ENGINEERING
(2021)
Article
Green & Sustainable Science & Technology
Lei Zuo, Junfeng Wang, Deqing Mei, Shengchao Dai, Derick Adu-Mensah
Summary: This study aimed to establish a partial hydrogenated biodiesel-ethanol-diesel ternary blend and investigate its combustion performance and emissions. The results revealed that the ternary blend exhibited different properties compared to the binary blend in certain aspects.
Article
Energy & Fuels
Yequan Sheng, Kathirvel Brindhadevi, Emad M. Eed, Changlei Xia, Nguyen Thuy Lan Chi
Summary: The study focused on using Citrullus colocynthis L. seeds as a source for biofuel production, testing different fuel combinations in an engine to reduce emissions, particularly CO and HC.
Article
Energy & Fuels
Gang Wu, Xin Wang, Shitu Abubakar, Yuqiang Li
Summary: The blend of biodiesel and dimethyl ether as an alternative fuel in internal combustion engines can overcome their individual physicochemical limitations. A developed mechanism with 255 species and 1253 reactions accurately reproduces the combustion and emissions characteristics of biodiesel-DME blends. The findings show that increasing DME proportion leads to extended ignition delay, higher in-cylinder pressure peak, increased NOx emissions, and reduced soot emissions.
Article
Energy & Fuels
Vikas Sharma, Abul Kalam Hossain, Alamgir Ahmed, Ahmed Rezk
Summary: Using waste cooking oil to produce biodiesel and adding graphene and graphite nanoparticle additives can improve combustion characteristics, reduce exhaust emissions, and improve engine efficiency.
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
Thermodynamics
Seyed Mohammad Safieddin Ardebili, Tolga Kocakulak, Emre Aytav, Alper Calam
Summary: This study investigates the effects of JP-8 military aviation fuel and biodiesel sunflower oil on the performance and emissions of an internal combustion engine. Experimental and statistical methods were used to analyze different fuel mixtures. The results suggest that optimal fuel ratios and engine loads can lead to improved performance and reduced emissions.
Article
Green & Sustainable Science & Technology
M. Genovese, F. Piraino, P. Fragiacomo
Summary: This research proposes the concept of a hydrogen valley in southern Italy, where hydrogen is produced centrally and delivered via fuel cell hybrid trains to refueling stations, providing transportation services. The analysis from both technical and economic perspectives shows that the cost of hydrogen and energy efficiency reached competitive levels, and hydrogen rail transport offers significant benefits in terms of emissions reduction and economic gains compared to conventional diesel trains and fully electric trains.
RENEWABLE & SUSTAINABLE ENERGY REVIEWS
(2024)
Review
Green & Sustainable Science & Technology
Miaomiao Liu, Payam Nejat, Pinlu Cao, Carlos Jimenez-Bescos, John Kaiser Calautit
Summary: This article provides a critical review of the performance of windcatchers, pointing out the current research gaps and issues, and proposing directions for further investigation and market prospects.
RENEWABLE & SUSTAINABLE ENERGY REVIEWS
(2024)
Review
Green & Sustainable Science & Technology
Solomon Boadu, Ebenezer Otoo
Summary: Despite Africa's vast energy resources, including wind energy, the continent faces challenges in developing its wind energy industry. Northern African countries and South Africa currently dominate the wind energy sector in Africa. To uplift Africa's socio-economic status, strong political will, supportive policies, and institutional frameworks are needed to drive the development of wind energy and overcome existing challenges.
RENEWABLE & SUSTAINABLE ENERGY REVIEWS
(2024)
Article
Green & Sustainable Science & Technology
E. K. Grubbs, S. M. Gruss, V. Z. Schull, M. J. Gosney, M. V. Mickelbart, S. Brouder, M. W. Gitau, P. Bermel, M. R. Tuinstra, R. Agrawal
Summary: As the global population grows, the demand for food, energy, and water will increase significantly. However, limited land availability and competition for solar resources pose challenges to resource generation technologies. In the United States, both agriculture and solar energy production have adopted densification schemes to improve yields and energy output per unit of land. This research proposes an Agrivoltaic food and energy coproduction architecture that optimizes power generation while maintaining crop productivity by implementing ideal anti-tracking during critical growth periods. This technology offers a viable pathway for widespread solar implementation throughout the contiguous United States.
RENEWABLE & SUSTAINABLE ENERGY REVIEWS
(2024)
Review
Green & Sustainable Science & Technology
Han Shao, Rui Henriques, Hugo Morais, Elisabetta Tedeschi
Summary: The integration of offshore wind energy into the electric grid provides opportunities in terms of environmental sustainability and cost efficiency, but poses challenges to power quality. This survey offers a deeper understanding of disturbance detection and classification tools, exploring root causes, disturbance locations, and algorithmic solutions. It highlights synchronized waveform measurement and discusses evaluation metrics for detection and classification algorithms. Additionally, a novel system-wide monitoring framework is proposed.
RENEWABLE & SUSTAINABLE ENERGY REVIEWS
(2024)
Review
Green & Sustainable Science & Technology
Eleni Davidson, Yair Schwartz, Joe Williams, Dejan Mumovic
Summary: A continued upward trend in global greenhouse gas emissions poses risks to global infrastructure and built assets. Maintaining high indoor environmental quality standards is a challenge for higher education institutions under future climates. Passive cooling mechanisms may be insufficient to tolerate predicted temperature increases. Different building typologies have varying energy demand projections.
RENEWABLE & SUSTAINABLE ENERGY REVIEWS
(2024)
Article
Green & Sustainable Science & Technology
Kexin Pang, Jian Zhou, Stamatis Tsianikas, David W. Coit, Yizhong Ma
Summary: This study proposes a new framework for long-term microgrid expansion planning, using deep reinforcement learning method to consider various uncertainties and constraints. The framework aims to enhance the effectiveness of microgrid expansion planning from the perspectives of economy, resilience, and greenhouse gas emission reduction.
RENEWABLE & SUSTAINABLE ENERGY REVIEWS
(2024)
Article
Green & Sustainable Science & Technology
Jun Zhao, Kangyin Dong, Xiucheng Dong
Summary: The continuous growth of global electricity penetration has provided modern energy for alleviating energy poverty, but its impact on carbon neutrality has been overlooked. The research reveals that clean electricity from traditional fossil energy and renewable energy has a positive influence on the greenhouse effect. Eradicating energy poverty can effectively alleviate the greenhouse effect, especially in non-Belt and Road Initiative (B&RI) nations.
RENEWABLE & SUSTAINABLE ENERGY REVIEWS
(2024)
Review
Green & Sustainable Science & Technology
Hossein Shahbeik, Hamed Kazemi Shariat Panahi, Mona Dehhaghi, Gilles J. Guillemin, Alireza Fallahi, Homa Hosseinzadeh-Bandbafha, Hamid Amiri, Mohammad Rehan, Deepak Raikwar, Hannes Latine, Bruno Pandalone, Benyamin Khoshnevisan, Christian Sonne, Luigi Vaccaro, Abdul-Sattar Nizami, Vijai Kumar Gupta, Su Shiung Lam, Junting Pan, Rafael Luque, Bert Sels, Wanxi Peng, Meisam Tabatabaei, Mortaza Aghbashlo
Summary: This review explores the production of biocrude oil from biomass feedstocks through the process of hydrothermal liquefaction (HTL). It discusses the impact of process parameters on the quality, quantity, cost, and environmental impacts of biofuels. The review also highlights the challenges and prospects for the future development of biocrude oil.
RENEWABLE & SUSTAINABLE ENERGY REVIEWS
(2024)
Article
Green & Sustainable Science & Technology
Meysam Majidi Nezhad, Mehdi Neshat, Georgios Sylaios, Davide Astiaso Garcia
Summary: Digital twins promise innovation for the marine renewable energy sector by using modern technological advances and the existing maritime knowledge frameworks. This research presents critical aspects of digital twin implementation challenges in marine energy digitalization approaches that use and combine data systems.
RENEWABLE & SUSTAINABLE ENERGY REVIEWS
(2024)
Article
Green & Sustainable Science & Technology
Yeganeh Sharifian, Hamdi Abdi
Summary: This paper discusses the background and objectives of the multi-area economic dispatch problem, as well as various techniques and methods applied in this field. It also covers comprehensive formulations of the problem and important issues in the field of probabilistic MAED, along with some related concepts and suggestions.
RENEWABLE & SUSTAINABLE ENERGY REVIEWS
(2024)
Review
Green & Sustainable Science & Technology
J. G. B. Churchill, V. B. Borugadda, A. K. Dalai
Summary: The increasing global energy demand and the need to reduce fossil fuel reliance have created a demand for renewable and sustainable fuel sources. This review explores the potential of tall oil, a by-product of the pulping industry, as a feedstock for biofuels. The review provides an overview of tall oil production, purification, and treatment, and investigates recent trends and barriers towards tall oil-derived biofuels.
RENEWABLE & SUSTAINABLE ENERGY REVIEWS
(2024)
Review
Green & Sustainable Science & Technology
David C. Broadstock, Xiangnan Wang
Summary: This study provides a general review of research on district cooling, identifying key topics and themes and highlighting potential research priorities for future studies.
RENEWABLE & SUSTAINABLE ENERGY REVIEWS
(2024)
Article
Green & Sustainable Science & Technology
L. Scharnhorst, D. Sloot, N. Lehmann, A. Ardone, W. Fichtner
Summary: This study investigates and analyzes the barriers to demand response in industrial and commercial sectors, highlighting their significance. Concerns about diminished product quality, disruptions to production processes, human resource management, and revenue uncertainty are identified as the most frequently cited barriers. Overcoming these barriers requires bridging knowledge gaps, allocating sufficient resources, and adapting external incentives and policies.
RENEWABLE & SUSTAINABLE ENERGY REVIEWS
(2024)
Review
Green & Sustainable Science & Technology
Tong Feng, Yuechi Sun, Yating Shi, Jie Ma, Chunmei Feng, Zhenni Chen
Summary: Air pollution is a significant global challenge, and policymakers have implemented policies to reduce it. Evaluating the effectiveness of these policies is critical, and our study reveals trends and gaps in air pollution policy research. We found that research has shifted from focusing solely on air pollutants to including methodologies, policies, and health implications. China has emerged as a major contributor in this field of research.
RENEWABLE & SUSTAINABLE ENERGY REVIEWS
(2024)