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IF 2.1 4区环境科学与生态学

Environmental Progress & Sustainable Energy Pub Date : 2025-03-21 DOI: 10.1002/ep.14427

引用次数: 0

Utilizing phase change materials for proton exchange membrane fuel cell cooling: A review 相变材料在质子交换膜燃料电池冷却中的应用综述

IF 2.1 4区环境科学与生态学

Environmental Progress & Sustainable Energy Pub Date : 2025-03-21 DOI: 10.1002/ep.14596

S. Swathi, Amandeep Singh Oberoi, Rohit Kumar Singla

{"title":"Utilizing phase change materials for proton exchange membrane fuel cell cooling: A review","authors":"S. Swathi, Amandeep Singh Oberoi, Rohit Kumar Singla","doi":"10.1002/ep.14596","DOIUrl":"https://doi.org/10.1002/ep.14596","url":null,"abstract":"The effective cooling of proton exchange membrane (PEM) fuel cells is essential for their optimal performance and durability. Excessive heat production during operation can result in performance decline, material deterioration, and diminished system efficiency. A viable option to address the thermal problems of PEM fuel cells is the implementation of phase change materials (PCMs), which may absorb and release thermal energy during phase transitions, hence offering a more efficient and reliable cooling mechanism. This review paper provides a comprehensive examination of the function of phase change materials in the cooling of proton exchange membrane fuel cells. It investigates the thermal characteristics of diverse PCMs, encompassing their melting points, thermal conductivity, and latent heat, while assessing their incorporation into proton exchange membrane (PEM) fuel cell systems. The research examines several cooling solutions, including PCM-embedded heat exchangers, PCM-based cooling plates, and the integration of PCM with traditional liquid cooling systems. Additionally, issues related to PCM applications, such as the increase in thermal conductivity, cycle stability, and cost-effectiveness, are thoroughly examined. The analysis finishes with a discourse on prospective research avenues and the potential for enhancing PCM-based cooling solutions to augment the efficiency and sustainability of PEM fuel cells across diverse applications.","PeriodicalId":11701,"journal":{"name":"Environmental Progress & Sustainable Energy","volume":"44 3","pages":""},"PeriodicalIF":2.1,"publicationDate":"2025-03-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144171299","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Turmeric (Curcuma longa L.) drying in a phase change material based solar drying unit with variable tilt angle solar air heater 姜黄（Curcuma longa L.）干燥在相变材料为基础的太阳能干燥装置与可变倾斜角太阳能空气加热器

IF 2.1 4区环境科学与生态学

Environmental Progress & Sustainable Energy Pub Date : 2025-03-21 DOI: 10.1002/ep.14588

Pankaj Kalita, Pushpendra Singh, Monikesh Kakoty, Manash Das, Biraj Das, Ruprekha Saikia

{"title":"Turmeric (Curcuma longa L.) drying in a phase change material based solar drying unit with variable tilt angle solar air heater","authors":"Pankaj Kalita, Pushpendra Singh, Monikesh Kakoty, Manash Das, Biraj Das, Ruprekha Saikia","doi":"10.1002/ep.14588","DOIUrl":"https://doi.org/10.1002/ep.14588","url":null,"abstract":"Solar dryers with thermal energy storage units emerge as the best solution for heating and drying purposes, especially during off-sunshine hours or overcast weather. This study introduces a Mixed Mode Solar Dryer (MMSD) enhanced with phase change material (PCM) to extend operational time. A Double Pass Solar Air Heater (DPSAH) is integrated with the dryer to optimize solar insolation collection, adjustable at various angles. The research enhances DPSAH efficiency by testing it at different tilt angles (17°, 22°, 27°, 32°, and 37°), varying airflow rates (0.0166 and 0.0217 m/s), and introducing wire meshes to obstruct airflow within the collector. After determining the optimal tilt angle and airflow rate, the dryer performance is evaluated by drying turmeric. The turmeric is dried from 84.2% moisture to 10.1% in 22.5 h, reducing drying time by 26.5 h compared to open sun drying (OSD). The average cabinet temperature of the dryer remains 19.41 °C higher than the ambient temperature, demonstrating effective heating. With an average efficiency of 49.28%, the DPSAH proves its effectiveness. This dryer is promising, especially in northeastern India, known for spices like turmeric, significantly reducing drying time and benefiting local economies.","PeriodicalId":11701,"journal":{"name":"Environmental Progress & Sustainable Energy","volume":"44 3","pages":""},"PeriodicalIF":2.1,"publicationDate":"2025-03-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144171306","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Overcoming barriers to clean cooking solutions: Political risk, financial development, and their implications for achieving SDG 7 in Nigeria 克服清洁烹饪解决方案的障碍：政治风险、金融发展及其对尼日利亚实现可持续发展目标7的影响

IF 2.1 4区环境科学与生态学

Environmental Progress & Sustainable Energy Pub Date : 2025-03-20 DOI: 10.1002/ep.14592

Tomiwa Sunday Adebayo

{"title":"Overcoming barriers to clean cooking solutions: Political risk, financial development, and their implications for achieving SDG 7 in Nigeria","authors":"Tomiwa Sunday Adebayo","doi":"10.1002/ep.14592","DOIUrl":"https://doi.org/10.1002/ep.14592","url":null,"abstract":"Clean cooking fuels and technologies are crucial for tackling environmental degradation, climate change, deforestation, health issues, air pollution, and poverty. However, many African countries, including Nigeria, continue to face significant challenges in accessing these resources. Existing research provides limited insights into the factors influencing the adoption of clean cooking fuels and technologies, particularly when analyzed through macroeconomic indicators from 2000 to 2022. Due to the nature of the data, nonlinear techniques were employed to uncover these associations. Specifically, the innovative Wavelet Kernel Regularized Least Squares method was applied to examine the impact of financial development, renewable energy consumption, information and communication technology (ICT), and political risk on access to clean fuels and technologies for cooking (ACE). Additionally, wavelet quantile cointegration was introduced to assess the cointegration relationships among the variables. The results reveal that economic growth has a minimal impact on ACE in the short term but becomes more significant over time. ICT positively influences ACE in the medium to long term, while financial development tends to reduce ACE. Renewable energy consumption promotes ACE, whereas political risk impedes it in the short term. However, improvements in political stability significantly enhance ACE in the long run. These findings form the basis for policy recommendations proposed in the study.","PeriodicalId":11701,"journal":{"name":"Environmental Progress & Sustainable Energy","volume":"44 3","pages":""},"PeriodicalIF":2.1,"publicationDate":"2025-03-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144171386","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

The impact of nano additives in corn oil biodiesel used in combustion engines on the environment and optimization using response surface methodology 内燃机用玉米油生物柴油中纳米添加剂对环境的影响及响应面法优化

IF 2.1 4区环境科学与生态学

Environmental Progress & Sustainable Energy Pub Date : 2025-03-19 DOI: 10.1002/ep.14590

Raviteja Surakasi, Manyala Gangadhar Rao

{"title":"The impact of nano additives in corn oil biodiesel used in combustion engines on the environment and optimization using response surface methodology","authors":"Raviteja Surakasi, Manyala Gangadhar Rao","doi":"10.1002/ep.14590","DOIUrl":"https://doi.org/10.1002/ep.14590","url":null,"abstract":"This study investigates the use of biodiesel produced from corn oil in diesel engines, with a focus on optimizing fuel performance and reducing emissions. The increasing environmental impact of fossil fuels has led to a growing interest in alternative fuels like biodiesel. However, the challenge lies in maintaining engine performance while reducing emissions such as carbon dioxide (CO₂) and unburnt hydrocarbons (UHC). In this work, corn oil biodiesel was blended with diesel at a concentration of 20%, and a 5.2 kW diesel engine was tested for performance, including torque and emissions. The study employed response surface methodology (RSM) to determine optimal engine settings for factors such as load and TiO nanoparticle concentration. Results revealed that the 20% biodiesel blend did not negatively impact engine torque and power, with a significant 20% reduction in CO₂ emissions. The best torque, UHC, and CO₂ emissions were found to be 20.331 N m, 43.811 ppm, and 5.891 ppm, respectively, when the load was 8.546 kg and the TiO₂ concentration was 86.513 ppm. The novelty of this work lies in the innovative use of TiO₂ nanoparticles to improve biodiesel combustion efficiency and reduce emissions while maintaining engine performance. This study fills a gap in the research by combining nano-additives with biodiesel optimization using RSM to make engines more efficient and better for the environment.","PeriodicalId":11701,"journal":{"name":"Environmental Progress & Sustainable Energy","volume":"44 3","pages":""},"PeriodicalIF":2.1,"publicationDate":"2025-03-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144171193","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Flow velocity impact on energy and carbon metrics of earth-based cooling systems 流速对地面冷却系统能量和碳指标的影响

IF 2.1 4区环境科学与生态学

Environmental Progress & Sustainable Energy Pub Date : 2025-03-19 DOI: 10.1002/ep.14594

Veena Chaudhary, Ashish Bilatiya

{"title":"Flow velocity impact on energy and carbon metrics of earth-based cooling systems","authors":"Veena Chaudhary, Ashish Bilatiya","doi":"10.1002/ep.14594","DOIUrl":"https://doi.org/10.1002/ep.14594","url":null,"abstract":"This article investigates the thermal performance and sustainability of U-shaped and serpentine earth-to-air heat exchanger (EAHE) systems with varying flow velocities. The life cycle analysis, embodied energy, carbon credit, and energy payback period for earth air heat exchanger systems are also investigated. This study reveals that increasing flow velocity leads to higher convective heat transfer coefficients but reduced air-ground contact time, resulting in a smaller temperature difference at higher velocities. Interestingly, pipe configuration shows minimal impact on outlet temperatures. The energy analysis, employing computational fluid dynamics simulations, reveals a decreasing trend in percentage heating and cooling potential increases with higher airflow velocities, notably showing a rise of approximately 35% from 2 to 3 m/s and diminishing to about 8% from 4 to 5 m/s for both EAHE systems. Additionally, annual thermal energy evaluation indicates a 34.7% increase from 2 to 3 m/s, followed by a reduced rise of 13.4% from 4 to 5 m/s. Embodied energy is estimated at 2991.403 kWh, with total annual energy outputs of 1193.2 and 1206.7 kWh for U-shaped and serpentine EAHEs, respectively. With a 50-year system lifespan, energy payback time stands at 2.51 years for U-shaped and 2.47 years for serpentine EAHEs. Assessing long-term environmental impact, the study quantifies CO2 emission mitigation and carbon credits, indicating 93.67 tonnes reduction and Rs. 1,59,801.02 credits for U-shaped EAHE and 94.73 tonnes reduction and Rs. 1,61,609.38 credits for serpentine EAHE.","PeriodicalId":11701,"journal":{"name":"Environmental Progress & Sustainable Energy","volume":"44 3","pages":""},"PeriodicalIF":2.1,"publicationDate":"2025-03-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144171192","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

NOx removal from simulated marine exhaust gas via wet absorption using TBAB/PBS composite solution and subsequent reduction by adding Na2SO3 TBAB/PBS复合溶液湿吸收法去除模拟船舶废气中的NOx，随后加入Na2SO3进行还原

IF 2.1 4区环境科学与生态学

Environmental Progress & Sustainable Energy Pub Date : 2025-03-19 DOI: 10.1002/ep.14587

Zhengxiong Jiang, Zhitao Han

{"title":"NOx removal from simulated marine exhaust gas via wet absorption using TBAB/PBS composite solution and subsequent reduction by adding Na2SO3","authors":"Zhengxiong Jiang, Zhitao Han","doi":"10.1002/ep.14587","DOIUrl":"https://doi.org/10.1002/ep.14587","url":null,"abstract":"With the aim to develop wet denitration process for marine application, it is still challenging to simultaneously achieve high-efficiency NOx removal from flue gas and low nitrate concentration in scrubbed solution. Herein a novel two-step method was proposed to solve this issue: phosphate buffer solution (PBS) with organic additive was used to absorb NOx efficiently from flue gas, and in next step, Na2SO3 as a reductant was added in the scrubbed solution to reduce NOx off-line. Five typical organic additives were chosen to compose with PBS. The tetrabutylammonium bromide and phosphate buffer solution (TBAB/PBS) composite solution exhibited superior NOx absorption performance. Furthermore, the effects of TBAB concentration, NOx oxidation degree, solution pH, temperature and O2 concentration on NOx absorption performance of TBAB/PBS composite solution were investigated systematically, and a high NOx absorption efficiency of >90% could be achieved. It was mainly attributed to a physical complex between PBS and NO2, <math>\u0000 <mi>N</mi>\u0000 <msubsup>\u0000 <mi>O</mi>\u0000 <mn>3</mn>\u0000 <mo>−</mo>\u0000 </msubsup></math>, <math>\u0000 <mi>N</mi>\u0000 <msubsup>\u0000 <mi>O</mi>\u0000 <mn>2</mn>\u0000 <mo>−</mo>\u0000 </msubsup></math>, together with a mass transfer enhancement by TBAB. A long-run test showed that nitrate concentration was much lower than the limit value of IMO. Cyclic absorption and regeneration tests confirmed that Na2SO3 could effectively regenerate the scrubbed solution in the absence of O2.","PeriodicalId":11701,"journal":{"name":"Environmental Progress & Sustainable Energy","volume":"44 3","pages":""},"PeriodicalIF":2.1,"publicationDate":"2025-03-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144171194","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Evaluation of the renewable energy sources with an integrated neutrosophic DEMATEL-ANP-VIKOR approach 用综合中性DEMATEL-ANP-VIKOR方法评价可再生能源

IF 2.1 4区环境科学与生态学

Environmental Progress & Sustainable Energy Pub Date : 2025-03-17 DOI: 10.1002/ep.14589

Yakup Çelikbilek

{"title":"Evaluation of the renewable energy sources with an integrated neutrosophic DEMATEL-ANP-VIKOR approach","authors":"Yakup Çelikbilek","doi":"10.1002/ep.14589","DOIUrl":"https://doi.org/10.1002/ep.14589","url":null,"abstract":"Renewable energy sources are essential for meeting global energy needs while reducing environmental impacts. This study introduces an integrated neutrosophic DEMATEL-ANP-VIKOR approach to evaluate and prioritize renewable energy sources based on various criteria, providing a comprehensive and systematic decision-making framework. The approach leverages DEMATEL to identify and analyze causal relationships between criteria, offering valuable insights into the interdependencies and influence of each factor. ANP is then employed to calculate the relative importance of these criteria, accounting for the complex interrelations that often exist in multi-criteria problems. Finally, VIKOR is utilized to rank the alternatives by balancing conflicting criteria and highlighting the most optimal renewable energy source alternatives. By incorporating neutrosophic numbers, the approach effectively addresses the uncertainty, vagueness, and imprecision commonly encountered in expert judgments, ensuring more reliable and robust evaluations. This integrated methodology not only enhances the accuracy and consistency of the decision-making process but also provides decision-makers with a flexible tool adaptable to varying contexts and priorities in renewable energy investments.","PeriodicalId":11701,"journal":{"name":"Environmental Progress & Sustainable Energy","volume":"44 3","pages":""},"PeriodicalIF":2.1,"publicationDate":"2025-03-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144171350","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Investigation of thermal comfort and environmental design in historic buildings: A case study of Shubra palace 历史建筑热舒适与环境设计研究——以舒勃拉宫为例

IF 2.1 4区环境科学与生态学

Environmental Progress & Sustainable Energy Pub Date : 2025-03-17 DOI: 10.1002/ep.14586

Mamdooh Alwetaishi

{"title":"Investigation of thermal comfort and environmental design in historic buildings: A case study of Shubra palace","authors":"Mamdooh Alwetaishi","doi":"10.1002/ep.14586","DOIUrl":"https://doi.org/10.1002/ep.14586","url":null,"abstract":"This study investigated the comfort levels of historically significant structures at high altitudes in Saudi Arabia's Arabian Peninsula. The study primarily focused on the influence of thermal mass and direction on thermal performance at Shubra. This research encompassed both qualitative and quantitative assessments. Data and information were collected from local experts via a questionnaire interview with architecture professionals residing in Taif City, situated at a considerable elevation. The building's thermal performance was assessed using on-site data loggers, thermal imaging cameras, and the TAS EDSL program. The study revealed that the experts' years of experience and age were major determinants in collecting information for the survey. The implementation of thermal mass, while enhancing thermal comfort, had a negligible impact on energy consumption and indoor air temperature. Ventilation can enhance the level of thermal comfort. The application of evaporative cooling technology markedly enhances thermal comfort perception by reducing indoor air temperature by 4°C. This method is novel as it integrates computer modeling and field monitoring data with the qualitative insights of specialists. This might facilitate the accurate collection of data for adequate comparable case studies.","PeriodicalId":11701,"journal":{"name":"Environmental Progress & Sustainable Energy","volume":"44 3","pages":""},"PeriodicalIF":2.1,"publicationDate":"2025-03-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144171349","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

The influence of industrial expansion on carbon dioxide emissions in China: The interplay of financial development and renewable energy 工业扩张对中国二氧化碳排放的影响：金融发展与可再生能源的相互作用

IF 2.1 4区环境科学与生态学

Environmental Progress & Sustainable Energy Pub Date : 2025-03-17 DOI: 10.1002/ep.14560

Atef Dallali, Mehdi Ben Jebli, Imen Gam

{"title":"The influence of industrial expansion on carbon dioxide emissions in China: The interplay of financial development and renewable energy","authors":"Atef Dallali, Mehdi Ben Jebli, Imen Gam","doi":"10.1002/ep.14560","DOIUrl":"https://doi.org/10.1002/ep.14560","url":null,"abstract":"Industrial expansion in China often results in heightened carbon dioxide (CO2) emissions due to manufacturing processes' energy-intensive nature. Nevertheless, embracing clean technologies driven by renewable energy sources offers a means to counteract these emissions. Through diminishing dependence on carbon-intensive energy sources, such as coal, renewable energy provides a hopeful avenue for alleviating the environmental repercussions of industrial operations. The study examines how industrial growth, the financial development index and renewable energy affect CO2 emissions in China from 1980 to 2021, using the linear Autoregressive Distributed Lag (ARDL) approach. It also includes economic growth and non-renewable energy as explanatory variables. The variables are found to be integrated of order one, and the Fisher-statistic test indicates a long-run relationship between them. The long-run analysis shows that economic growth, renewable energy, and financial development help reduce CO2 emissions, while non-renewable energy and industrial value-added increase them. The effect of the interaction between renewable energies and financial development contributes to emission reduction. This means that the Chinese government is pursuing a financial policy that is synchronized with the use of renewable energies and the promotion of clean technologies.","PeriodicalId":11701,"journal":{"name":"Environmental Progress & Sustainable Energy","volume":"44 3","pages":""},"PeriodicalIF":2.1,"publicationDate":"2025-03-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144171351","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0