Renewable and Sustainable Energy Reviews最新文献_第3页

Greenhouse gas emissions and reduction potentials in the crop processing by-products utilization chains: A review on citrus and sugarcane by-products 作物加工副产物利用链中温室气体排放及其减排潜力——柑橘和甘蔗副产物研究综述

IF 16.3 1区工程技术 Q1 ENERGY & FUELS

Renewable and Sustainable Energy Reviews

Pub Date : 2025-04-21 DOI: 10.1016/j.rser.2025.115758

Lin Yuan , Zhengqiu Ding , Xin Pan , Chong Shi , Fei Lao , Philipp Grundmann , Jihong Wu

The expanding global population presents challenges for food production systems that extend beyond socio-economic considerations to encompass urgent climate-related disruptions. The agri-food sector is one of the largest contributors to greenhouse gas (GHG) emissions, emphasizing the critical need for sustainable practices aligned with Sustainable Development Goals. Crop processing by-products (CPBPs) from the food supply chain offer a promising approach for reducing environmental impact while generating social and economic benefits. This review examines the rational utilization pathways for sugarcane and citrus processing by-products, two of the most produced and underutilized crops globally, to mitigate GHG emissions. A comprehensive comparison of traditional and emerging management practices reveals that innovative CPBP utilization chains targeting food, chemicals, and energy provide substantial environmental advantages. Specifically, bioconversion processes, such as fermentation and anaerobic digestion for biogas and bioethanol production, exhibit notably lower emissions than chemical conversion methods. Moreover, the emerging development of integrated biorefinery systems demonstrates significant potential for low-emission utilization of CPBPs. These findings highlight the need for continued research into circular bioeconomy frameworks and standardized environmental assessment protocols to optimize CPBP valorization and contribute to global sustainability goals.

全球人口的不断增长给粮食生产系统带来了挑战，这些挑战超出了社会经济因素，还包括与气候有关的紧急破坏。农业食品部门是温室气体（GHG）排放的最大来源之一，因此迫切需要采取符合可持续发展目标的可持续做法。来自食品供应链的作物加工副产品（cpbp）为减少环境影响，同时产生社会和经济效益提供了一种有希望的方法。这篇综述探讨了甘蔗和柑橘加工副产品的合理利用途径，以减少温室气体排放，这两种作物是全球产量最大但利用不足的作物。传统和新兴管理实践的综合比较表明，针对食品、化学品和能源的创新CPBP利用链提供了实质性的环境优势。具体来说，生物转化过程，如沼气和生物乙醇生产的发酵和厌氧消化，其排放量明显低于化学转化方法。此外，综合生物炼制系统的新兴发展显示了cpbp低排放利用的巨大潜力。这些发现强调了继续研究循环生物经济框架和标准化环境评估协议的必要性，以优化CPBP的价值，并为全球可持续性目标做出贡献。

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引用次数: 0

Comparing energy conservation behavior from the perspective of the karma effect 从因果效应的角度比较节能行为

IF 16.3 1区工程技术 Q1 ENERGY & FUELS

Renewable and Sustainable Energy Reviews

Pub Date : 2025-04-21 DOI: 10.1016/j.rser.2025.115753

Bright Obuobi , ChenGuang Liu , Faustina Awuah , Gibbson Adu-Gyamfi , Emmanuel Nketiah

Energy conservation has become a priority in transitioning nations from non-renewable energy to renewable and sustainable energy sources. This study aims to provide a comparative analysis by investigating locals' and foreigners’ energy conservation intentions (ECI) and behavior in China. The study combines the theory of Karma and the theory of planned behavior with energy consumption habits in the assessment. A total of 1046 sample data of locals and foreigners were collected across Shanghai in China and analyzed using partial least squares structural equation modeling. The results reveal several significant findings. First, the duty of orientation was found to have a strong influence on equanimity, which in turn significantly affects foreigners' intentions. The duty of orientation also significantly influences indifference to rewards for both local and foreign participants. However, indifference to rewards does not influence locals' intentions but does impact foreigners' ECI. It was found that attitude does not significantly influence locals' ECI but has a substantial impact on foreigners' ECI. Perceived behavioral control was identified as a critical factor, significantly influencing ECI for both locals and foreigners. Intention was found to positively influence behavior for both groups, highlighting the importance of intention in driving actual energy conservation actions. Additionally, habit was shown to play a pivotal role, significantly influencing attitudes, the duty of orientation, intentions, and behaviors for both locals and foreigners. These findings provide a comprehensive understanding of the distinct drivers of energy conservation behaviors across different demographic groups, offering insights for targeted interventions to promote sustainable energy use.

节约能源已成为各国从不可再生能源向可再生和可持续能源过渡的优先事项。本研究旨在通过调查中国本地人和外国人的节能意愿和节能行为，提供比较分析。本研究将因果报应理论、计划行为理论与能源消费习惯相结合进行评价。采用偏最小二乘结构方程模型，对上海各地1046个本地居民和外国人样本数据进行分析。研究结果揭示了几个重要的发现。首先，定向义务对平静感有很强的影响，而平静感又会显著影响外国人的意图。定向义务也显著影响本地和外国参与者对奖励的冷漠。然而，对奖励的冷漠并不影响当地人的意愿，但会影响外国人的ECI。研究发现，态度对本地人的ECI影响不显著，但对外国人的ECI有显著影响。认知行为控制是影响当地人和外国人ECI的关键因素。研究发现，意图对两组人的行为都有积极影响，这突出了意图在推动实际节能行动中的重要性。此外，习惯对当地人和外国人的态度、取向义务、意图和行为都有重要影响。这些发现提供了对不同人口群体节能行为的不同驱动因素的全面理解，为有针对性的干预措施提供了见解，以促进可持续能源使用。

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引用次数: 0

The evolution of circular economy performance assessment: A systematic literature review 循环经济绩效评价的演变：系统文献综述

IF 16.3 1区工程技术 Q1 ENERGY & FUELS

Renewable and Sustainable Energy Reviews

Pub Date : 2025-04-19 DOI: 10.1016/j.rser.2025.115757

M. Ferrante , M. Vitti , C. Sassanelli

Circular economy (CE) paradigm is applied in organisations at different levels (companies, supply chains, and ecosystems) to maximise resource use and minimize waste generation, presenting itself as an alternative to the traditional linear economy. However, a gap persists in the availability of standardised, comprehensive methods for assessing CE performance across diverse sectors and levels. Current methodologies often lack consistency, comparability, and applicability to complex systems, highlighting the need for further improvement, mainly considering the growing interest in adopting CE practices, also in compliance with emerging standards and frameworks (e.g., ISO 59000 and Digital Product Passport (DPP)). To support and theoretically ground the filling of these gaps, a systematic literature review (SLR) exploring the evolution of CE performance assessment methods has been conducted by considering as main drivers of analysis the type of variables analysed in the circular systems, the layer of the triple bottom line of the sustainability addressed, and the stage of the system lifecycle considered. It updates and compares the results obtained with those presented in a previous work analysing literature in the same domain up to 2018. The results showed that Life Cycle Assessment remains the most widely used method for lifecycle environmental impact assessment of circular systems, followed by Multi Criteria Decision Making, particularly in End-of-Life and for sustainability aspects. Alternative methods highlight the need for innovation, with some studies proposing industry-specific indicators or combined approaches. Finally, a comprehensive framework is needed to evaluate both positive and negative impacts; standardised Key Performance Indicators, aligned with ISO 59020:2024 and interoperable with DPP, would enhance consistency; and a unified methodology should be developed for CE assessment across all levels, ensuring resource efficiency and sustainability.

循环经济（CE）范例应用于不同层次的组织（公司，供应链和生态系统），以最大限度地利用资源并最大限度地减少废物产生，将自己呈现为传统线性经济的替代方案。然而，在评估不同部门和水平的CE绩效的标准化、综合方法的可用性方面仍然存在差距。当前的方法往往缺乏一致性、可比性和对复杂系统的适用性，突出了进一步改进的需要，主要考虑到采用CE实践的兴趣日益增长，也符合新兴的标准和框架（例如，ISO 59000和数字产品护照（DPP））。为了支持并从理论上为填补这些空白奠定基础，通过考虑循环系统中分析的变量类型、可持续性的三重底线层以及考虑的系统生命周期阶段作为分析的主要驱动因素，进行了系统文献综述（SLR），探索了CE绩效评估方法的演变。它更新了所获得的结果，并将其与2018年之前分析同一领域文献的工作中提出的结果进行了比较。结果表明，生命周期评估仍然是循环系统生命周期环境影响评估中最广泛使用的方法，其次是多标准决策，特别是在生命周期结束和可持续性方面。替代方法强调了创新的必要性，一些研究提出了针对特定行业的指标或综合方法。最后，需要一个全面的框架来评估积极和消极的影响；与ISO 59020:2024保持一致并可与DPP互操作的标准化关键绩效指标将增强一致性；并应制定统一的方法对各级进行环境行政评价，以确保资源效率和可持续性。

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引用次数: 0

Development of an analytical model of automobile energy consumption during use-phase for parametrized life cycle assessment 基于参数化生命周期评价的汽车使用阶段能耗分析模型的建立

IF 16.3 1区工程技术 Q1 ENERGY & FUELS

Renewable and Sustainable Energy Reviews

Pub Date : 2025-04-19 DOI: 10.1016/j.rser.2025.115716

Gabriel Magnaval, Anne-Marie Boulay

Models for automobile energy consumption calculations often lack adaptability, granularity, and consistency, limiting the transparency, reproducibility, and representativeness of automobile processes in Life Cycle Assessment (LCA). Although developing parametrized models appears to be promising, their application to automobile energy consumption is constrained by the complexity of powertrain modeling and the integration of driving conditions. This work presents a model for gasoline and electric vehicles based on parametrized equations, describing physical drivers of energy demand while uncoupling the role of contributors, including the vehicle body, powertrain, path, and driver. An innovative method for parametrizing driving conditions is introduced, eliminating reliance on traditional driving cycles. Complemented by pre-set configurations to enhance usability, the computational tool PETRAUL built on this framework enables practitioners to perform precise and representative energy consumption calculations for vehicles. This study further demonstrates the tool's utility for both foreground and background LCA processes. This includes scenario analyses emphasizing the necessity of multi-solution strategies, a comparison with ecoinvent and Carculator highlighting improved granularity, and an LCA case study on lightweighting, illustrating enhanced representativeness for assessments across diverse technological and regional conditions. This streamlined LCA of a polycarbonate glazing highlights the potential burden shifting from the vehicle use phase to the manufacturing of lightweight materials, notably when coupled with electrification. Ultimately, PETRAUL provides a robust foundation for advancing LCA practices by enhancing adaptability and transparency in parametrized modeling, while illustrating the need for both technological and sobriety measures to reduce environmental impacts of the automobile industry.

汽车能耗计算模型往往缺乏适应性、粒度和一致性，限制了生命周期评估（LCA）中汽车过程的透明度、可重复性和代表性。虽然发展参数化模型似乎很有前景，但其在汽车能耗方面的应用受到动力系统建模的复杂性和驾驶条件集成的限制。这项工作提出了一个基于参数化方程的汽油和电动汽车模型，描述了能源需求的物理驱动因素，同时解耦了贡献者的作用，包括车身、动力总成、路径和驾驶员。介绍了一种创新的参数化驾驶条件的方法，消除了对传统驾驶循环的依赖。通过预先设置的配置来增强可用性，在此框架上构建的计算工具PETRAUL使从业者能够对车辆进行精确和具有代表性的能耗计算。本研究进一步证明了该工具在前景和背景LCA进程中的实用性。这包括强调多解决方案策略必要性的情景分析，与ecoinvent和calculator的比较，强调改进的粒度，以及轻量化的LCA案例研究，说明了在不同技术和区域条件下评估的增强代表性。这种聚碳酸酯玻璃的流线型LCA突出了从车辆使用阶段到轻质材料制造阶段的潜在负担，特别是当与电气化相结合时。最终，PETRAUL通过增强参数化建模的适应性和透明度，为推进LCA实践提供了坚实的基础，同时说明了减少汽车工业对环境影响的技术和清醒措施的必要性。

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引用次数: 0

Integrating life cycle assessment in multi-objective optimization of green hydrogen systems: a review of literature and methodological challenges 在绿色氢系统多目标优化中整合生命周期评估：文献综述和方法挑战

IF 16.3 1区工程技术 Q1 ENERGY & FUELS

Renewable and Sustainable Energy Reviews

Pub Date : 2025-04-19 DOI: 10.1016/j.rser.2025.115689

Diego Larrahondo Chavez , Catherine Azzaro-Pantel , Florent Montignac , Alain Ruby

As global demand for sustainable energy solutions intensifies, reducing the environmental impact of energy systems while maintaining cost-effectiveness has become imperative, particularly for emerging energy carriers like hydrogen. This article presents a comprehensive review of life cycle assessment (LCA) and multi-objective optimization (MOO) in the context of green hydrogen (H₂) systems, focusing on key contributions from 2019 to 2023. The review categorizes the literature into three areas: (i) Recent LCA studies on green H₂ production, (ii) MOO studies that include LCA of renewable energy systems, (iii) Research integrating environmental criteria into MOO for green H₂ systems. The review highlights significant gaps, particularly the limited depth of environmental detail in LCAs integrated into MOO, compared to standalone environmental LCAs. Additionally, the analysis reveals a lack of end-of-life considerations across all study categories. In terms of optimization, most research adopts a bi-objective framework, typically focusing on economic performance and a single environmental metric (often CO₂ emissions), thereby constraining the development of more comprehensive, sustainable systems. The article concludes by offering recommendations: future LCAs of hydrogen systems should incorporate advanced optimization algorithms, broaden their scope to cradle-to-grave assessments, and utilize prospective methods for better anticipation of future environmental impacts.

随着全球对可持续能源解决方案的需求不断增加，在保持成本效益的同时减少能源系统对环境的影响已变得势在必行，尤其是对氢等新兴能源载体而言。本文全面回顾了绿色氢（H2）系统背景下的生命周期评估（LCA）和多目标优化（MOO），重点介绍了2019年至2023年期间的主要贡献。该综述将文献分为三个领域：(i)最近关于绿色H2生产的LCA研究，（ii）包括可再生能源系统LCA的MOO研究，（iii）将环境标准纳入绿色H2系统MOO的研究。该审查强调了重大差距，特别是与独立的环境lca相比，将lca纳入MOO的环境细节深度有限。此外，分析显示，在所有研究类别中都缺乏对生命末期的考虑。在优化方面，大多数研究采用双目标框架，通常侧重于经济绩效和单一环境指标（通常是二氧化碳排放），从而限制了更全面、可持续系统的发展。文章最后提出建议：未来氢系统的lca应纳入先进的优化算法，将其范围扩大到从摇篮到坟墓的评估，并利用前瞻性方法更好地预测未来的环境影响。

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引用次数: 0

Advances and perspectives of two-dimensional materials MXenes: Efficient catalysts for magnesium hydride 二维材料MXenes：氢化镁高效催化剂的研究进展与展望

IF 16.3 1区工程技术 Q1 ENERGY & FUELS

Renewable and Sustainable Energy Reviews

Pub Date : 2025-04-19 DOI: 10.1016/j.rser.2025.115759

Heng Lu , Jianbo Li , Ruilin Zhang , Kunyan Nie , Qian Li , Yu'an Chen , Fusheng Pan

Magnesium hydride (MgH₂) has been considered as a promising solid-state hydrogen storage material due to its advantages, including high gravimetric (∼7.6 wt%), environmental friendliness, and excellent reversibility. However, the stable thermodynamic and sluggish hydrogen absorption/desorption kinetics of MgH₂ significantly hinder its commercial application. Considerable efforts have been dedicated to lowering the dehydrogenation temperature and facilitating the hydrogen absorption/desorption reaction rate of MgH₂, resulting in substantial progress. Catalyzing is recognized as one of the most effective strategies for ameliorating the hydrogen storage performances of MgH₂. Over the past years, two-dimensional (2D) transition metal carbides or nitrides or carbonitrides, i.e., MXenes, have gained widespread applications in energy storage, biomedicine, gas separation and water purification, owing to their 2D layered structure, high specific surface area, tunable surface terminations, and exceptional thermal stability. In particular, MXenes have demonstrated efficiency as catalysts for the de/hydrogenation reactions of MgH₂. Herein, this review article systematically reviews the advancement of MXenes, covering their structure, synthesis methods, and potential applications for storing hydrogen. Meanwhile, it comprehensively summarizes the effect of MXenes as catalysts in improving the hydrogen absorption/desorption properties of MgH₂, covering three aspects: MXenes themselves, MXenes derivatives and MXenes composites, while highlighting their respective catalytic mechanisms. Furthermore, the future research and development of MXenes catalysts and their application in MgH₂ are elucidated.

氢化镁（MgH2）由于其高质量（约7.6 wt%）、环境友好和优异的可逆性等优点，被认为是一种很有前途的固态储氢材料。然而，MgH2的热力学稳定性和缓慢的吸氢/解吸动力学严重阻碍了其商业化应用。在降低脱氢温度和提高MgH2吸氢/脱氢反应速率方面已经做了大量的工作，取得了实质性的进展。催化是改善MgH2储氢性能最有效的方法之一。在过去的几年里，二维（2D）过渡金属碳化物或氮化物或碳氮化物，即MXenes，由于其二维层状结构、高比表面积、可调表面末端和优异的热稳定性，在储能、生物医学、气体分离和水净化等领域得到了广泛的应用。特别是，MXenes作为MgH2脱氢化反应的催化剂已经被证明是有效的。本文系统地综述了MXenes的结构、合成方法以及在储氢方面的潜在应用。同时，全面总结了MXenes作为催化剂在改善MgH2吸氢/解吸性能方面的作用，涵盖了MXenes本身、MXenes衍生物和MXenes复合材料三个方面，并重点介绍了各自的催化机理。展望了MXenes催化剂的未来研究与发展，并对其在MgH2中的应用进行了展望。

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引用次数: 0

A comprehensive review on definitions, development, and policies of net-zero carbon buildings (nZCBs) 净零碳建筑的定义、发展和政策综述

IF 16.3 1区工程技术 Q1 ENERGY & FUELS

Renewable and Sustainable Energy Reviews

Pub Date : 2025-04-19 DOI: 10.1016/j.rser.2025.115750

Dan Wang , Yao Lin

The energy consumption and carbon emissions of the building sector are expected to rise significantly in the near future. Net-zero carbon buildings (nZCBs) have emerged as a critical area of research to reduce fossil energy use and greenhouse gas emissions in the building sector. In recent years, leading economic bodies, including China, the United States, Canada, and the European Union etc., have made substantial efforts to advance nZCB initiatives. This study aims to provide a comprehensive understanding of nZCBs through three key objectives in leading economic bodies while carrying out a more in-depth analysis of progress in China. First, it reviews and compares nZCB definitions in leading economic bodies, emphasizing critical parameters and boundary conditions. It also investigates the distinctions and overlaps between nZCBs and net-zero energy buildings (nZEBs), providing valuable insights into their unique features. Second, the study outlines mid-to-long term goals for achieving large-scale implementation at various levels, and further investigates the development and current progress of nZCBs in China, and highlights key achievements and pilot projects. Third, the study analyzes various national policies and regional policies, regulations, and guidelines shaping nZCBs development. Additionally, it evaluates certification systems for nZCBs in leading economic bodies, integrating regional characteristics, renewable energy distribution, and diverse building types, and sets carbon emission limits tailored to climate zones and solar radiation levels. This study offers critical insights and strategic recommendations to accelerate nZCB adoption, contributing to long-term sustainability objectives.

在不久的将来，建筑行业的能源消耗和碳排放预计将大幅上升。净零碳建筑（nzcb）已成为减少建筑行业化石能源使用和温室气体排放的关键研究领域。近年来，包括中国、美国、加拿大、欧盟等在内的主要经济机构为推进纽加央行倡议做出了大量努力。本研究旨在通过主要经济机构的三个关键目标，提供对新西兰银行的全面了解，同时对中国的进展进行更深入的分析。首先，它回顾和比较了主要经济机构的nZCB定义，强调了关键参数和边界条件。它还调查了nzcb和净零能耗建筑（nzeb）之间的区别和重叠之处，为它们的独特之处提供了有价值的见解。其次，本研究概述了在各个层面实现大规模实施的中长期目标，并进一步调查了nzcb在中国的发展和现状，突出了重点成果和试点项目。第三，分析了影响nzcb发展的各种国家政策和区域政策、法规和指导方针。此外，它还评估主要经济机构的nzcb认证体系，整合区域特征、可再生能源分布和各种建筑类型，并根据气候区域和太阳辐射水平设定碳排放限制。本研究为加快nZCB的采用提供了重要的见解和战略建议，有助于实现长期可持续发展目标。

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引用次数: 0

Strategies for achieving carbon neutrality within the chemical industry 在化学工业中实现碳中和的战略

IF 16.3 1区工程技术 Q1 ENERGY & FUELS

Renewable and Sustainable Energy Reviews

Pub Date : 2025-04-19 DOI: 10.1016/j.rser.2025.115762

Ladan Malehmirchegini , Andrew J. Chapman

This review paper explores the diverse strategies chemical companies are employing to achieve carbon neutrality amid escalating environmental regulations and societal demands for sustainability. The analysis focuses on the integration of advanced technologies, process optimization, and the transition to sustainable raw materials, with a special emphasis on the role of Carbon Capture, Utilization, and Storage (CCUS) technologies, renewable energy sources such as wind and solar, and the development of bio-based alternatives. These measures aim to lower the chemical sector's significant carbon footprint while also contributing to a broader sustainability goal. The evaluations of CCUS technology and renewable energy integration are central to this study's analysis, since they are critical for lowering direct CO₂ emissions and dependency on fossil fuels. The study also examines how adopting more sustainable raw materials and improving process efficiency might reduce manufacturing waste and carbon footprints. This article highlights top chemical companies that have made great strides toward their carbon neutrality objectives, such as those using CCUS technology to significantly reduce operating emissions, through successful case studies. It also addresses the challenges and opportunities facing the industry, including advances in technology, and evolving regulatory demands. The findings provide chemical companies with practical insights for achieving carbon neutrality and offer policymakers a roadmap for creating supportive frameworks. The study emphasizes how the chemical industry is at the forefront of sustainability practices and shows how corporate goals and environmental responsibility may work together to support global sustainability initiatives.

这篇综述论文探讨了在不断升级的环境法规和社会对可持续性的需求中，化学公司为实现碳中和而采用的各种策略。分析侧重于先进技术的整合、工艺优化和向可持续原材料的过渡，特别强调碳捕获、利用和储存（CCUS）技术、风能和太阳能等可再生能源的作用，以及生物基替代品的发展。这些措施旨在降低化工行业的碳足迹，同时也有助于实现更广泛的可持续发展目标。CCUS技术和可再生能源整合的评估是本研究分析的核心，因为它们对于降低直接二氧化碳排放和对化石燃料的依赖至关重要。该研究还探讨了如何采用更可持续的原材料和提高工艺效率，以减少制造浪费和碳足迹。本文通过成功的案例研究，重点介绍了在实现碳中和目标方面取得重大进展的顶级化工公司，例如那些使用CCUS技术显著减少运营排放的公司。它还解决了行业面临的挑战和机遇，包括技术进步和不断变化的监管要求。研究结果为化工企业提供了实现碳中和的实际见解，并为政策制定者提供了创建支持性框架的路线图。该研究强调了化工行业如何走在可持续发展实践的前沿，并展示了企业目标和环境责任如何共同支持全球可持续发展倡议。

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引用次数: 0

Effect of various motion modes on the performance of a floating pneumatic wave energy converter with a backward bent duct 不同运动方式对后弯风道浮式气动波能转换器性能的影响

IF 16.3 1区工程技术 Q1 ENERGY & FUELS

Renewable and Sustainable Energy Reviews

Pub Date : 2025-04-19 DOI: 10.1016/j.rser.2025.115766

Haochun Xu , Yongliang Zhang , Peng Guo

A floating pneumatic wave energy conversion device with a backward bent duct has six degrees of freedom (DOF) motion, each of which may have different effects on wave energy conversion efficiency. To understand the contribution of each DOF motion to the capture width ratio (CWR), this study explored the impact of nine distinct motion modes on the CWR, including fixed mode; 1-DOF motion modes of surge, heave, and pitch; pairwise combinations of these 1-DOF motion modes; 3-DOF mode (surge, heave, and pitch), and 6-DOF mode (surge, heave, pitch, sway, roll, and yaw), based on Reynolds Averaged Navier-Stokes (RANS) equations. The results revealed the following: (1) The CWRs were essentially equal in both the 3-DOF and 6-DOF modes, suggesting that the influence of yaw, roll, and sway on the CWRs is very small and can be ignored. (2) As the wave period increases from a short period of 4 s to a long period of 9 s, the main contributor to energy conversion gradually shifts from surge motion to heave motion. (3) Different motions can also affect the motion characteristics of other degrees of freedom. This study provides an understanding of the contribution and influence mechanism of different single degrees of freedom and different combinations of single degrees of freedom on the energy conversion and motion characteristics of a floating pneumatic wave energy converter, laying a foundation for further optimization of the converter.

具有后向弯曲风道的浮式气动波能转换装置具有6个运动自由度，每个运动自由度对波能转换效率的影响可能不同。为了了解各自由度运动对捕获宽度比（CWR）的贡献，本研究探讨了9种不同运动模式对CWR的影响，包括固定模式；脉动、升沉、俯仰的一自由度运动模式；这些1自由度运动模式的成对组合；基于Reynolds平均Navier-Stokes （RANS）方程的3-DOF模式（浪涌、垂荡和俯仰）和6-DOF模式（浪涌、垂荡、俯仰、摇摆、滚转和偏航）。结果表明：(1)在三自由度和六自由度模式下，横摇、横摇和摇摆对横摇力矩的影响很小，可以忽略不计。(2)随着波浪周期由4 s的短周期增加到9 s的长周期，能量转换的主要贡献者逐渐由浪涌运动转向升沉运动。(3)不同的运动也会影响其他自由度的运动特性。本研究了解了不同单自由度和不同单自由度组合对浮式气动波能转换器能量转换和运动特性的贡献及影响机理，为进一步优化转换器奠定了基础。

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引用次数: 0

A comprehensive review of design optimization methods for hybrid electric vehicles 混合动力汽车设计优化方法综述

IF 16.3 1区工程技术 Q1 ENERGY & FUELS

Renewable and Sustainable Energy Reviews

Pub Date : 2025-04-19 DOI: 10.1016/j.rser.2025.115765

Xiaodong Sun , Ziyin Dong , Yingfeng Cai , Zhijia Jin , Gang Lei , Xiang Tian

Due to the advantages of low emissions and high energy efficiency, hybrid electric vehicles (HEVs) have garnered significant attention in the automotive industry. However, addressing the multi-variable, nonlinear, and multi-dimensional optimization challenges arising from the collaborative operation of multiple power sources remains a complex and unresolved issue in HEVs. It is imperative to build an efficient system to achieve an optimal design. Many researchers have already explored various design optimization methods for HEVs. The review aims to integrate and critically analyze the current research status of optimal design methods from three perspectives, offering insights into future developments. It provides valuable guidance and reference for professionals developing, designing, and optimizing HEVs.

混合动力汽车由于其低排放、高能效的优点，在汽车行业备受关注。然而，解决多电源协同运行所带来的多变量、非线性和多维优化挑战仍然是混合动力汽车中一个复杂而未解决的问题。为了实现优化设计，必须建立一个高效的系统。许多研究者已经探索了各种混合动力汽车的设计优化方法。本文旨在从三个角度对优化设计方法的研究现状进行整合和批判性分析，为未来的发展提供见解。为专业人员开发、设计和优化混合动力汽车提供了有价值的指导和参考。

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