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Automotive air-conditioning system technology: a review 汽车空调系统技术综述
Q1 Economics, Econometrics and Finance Pub Date : 2020-01-01 DOI: 10.1504/pie.2020.10032140
S. S. Vali, S. Saboor, S. Rajan, T. P. A. Babu
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引用次数: 0
Assessment of performance, emission and combustion characteristics of dual-fuel engine with exhaust gas recirculation 废气再循环双燃料发动机的性能、排放及燃烧特性评估
Q1 Economics, Econometrics and Finance Pub Date : 2020-01-01 DOI: 10.1504/pie.2020.10032141
Radha Krishna Gopidesi, Anjaneyulu Kancharla, Nagarjuna Kumma, Bhaskara Rao Pathakokila
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引用次数: 0
Foresight as an innovative tool for strategic planning of sustainable rural development 前瞻性作为农村可持续发展战略规划的创新工具
Q1 Economics, Econometrics and Finance Pub Date : 2020-01-01 DOI: 10.1504/PIE.2020.10034888
R. Galiev, M. Lukyanova, N. Avarskii, E. Stovba, R. Gusmanov
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引用次数: 1
Enhancing eco-economic efficiency of mineral deposit exploration to achieve sustainable development in the mining industry of Kazakhstan 提高矿床勘探生态经济效益,实现哈萨克斯坦矿业可持续发展
Q1 Economics, Econometrics and Finance Pub Date : 2020-01-01 DOI: 10.1504/pie.2020.10032017
S. Tulupova, K. Tazhibekova, A. Shametova, A. Urazbekov, B. Akhmetzhanov, S. Akenov
{"title":"Enhancing eco-economic efficiency of mineral deposit exploration to achieve sustainable development in the mining industry of Kazakhstan","authors":"S. Tulupova, K. Tazhibekova, A. Shametova, A. Urazbekov, B. Akhmetzhanov, S. Akenov","doi":"10.1504/pie.2020.10032017","DOIUrl":"https://doi.org/10.1504/pie.2020.10032017","url":null,"abstract":"","PeriodicalId":35407,"journal":{"name":"Progress in Industrial Ecology","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2020-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"66716395","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
A comparative study of performance and emission characteristics of a diesel engine using various non-edible extracts 使用各种非食用提取物的柴油机性能和排放特性的比较研究
Q1 Economics, Econometrics and Finance Pub Date : 2020-01-01 DOI: 10.1504/pie.2020.10032139
R. Rajkumar, K. Kannan, M. Mohanraj
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引用次数: 1
An evaluation of classroom-illumination: a critical requirement for effective designing and construction of naturally-illuminated schools in Nigeria 教室照明评估:尼日利亚自然照明学校有效设计和建设的关键要求
Q1 Economics, Econometrics and Finance Pub Date : 2019-09-03 DOI: 10.1504/pie.2019.10023633
O. Ibhadode, O. Ajayi, A. Abioye, Joseph Ismaila, A. Adekunle
Indoor lighting-levels (illuminances) of 180 classrooms in 60 public [primary and secondary] schools located in all six geopolitical zones of Nigeria, were experimentally investigated 12 times under three different sky-conditions ['clear', 'partly-clear' and 'overcast'] using the Hagner digital lux-meter. The analysed empirical-data were: 'Mean indoor illuminance for tasks on desks' tops near windows exposed to direct sunlight and/or higher illumination(Ld(DSL))' ranging from 1,243 lux-4,486 lux, 'Mean indoor illuminance for tasks on desks' tops near windows exposed to indirect sunlight and/or lower illumination(Ld(ISL))' ranging from 674 lux-2,987 lux, 'Mean indoor illuminance for tasks on desks' tops at Center of Classroom(Ld(CrC))' ranging from 101 lux-449 lux and 'Mean indoor illuminance for tasks on boards(Lb)' ranging from 110 lux-494 lux. Three globally recommended standards' ['CIE-ISO', 'IESNA', and 'EN'], values [of minimal/optimal lighting-levels for classroom-activities like 'reading on the blackboard' (Lsb 500 lux) and 'writing, drawing and reading on desks' (Lsd = 300 lux)]; and the follow-up statistical-analyses reveal 'excessive solar irradiation' and/or 'inadequate illumination' in the classrooms.
在尼日利亚所有六个地缘政治区域的60所公立[小学和中学]的180间教室的室内照明水平(照度),使用Hagner数字亮度计在三种不同的天空条件下(“晴朗”,“部分晴朗”和“阴天”)进行了12次实验研究。分析的实证数据为:“办公桌上靠近窗户、暴露在阳光直射和/或较高照度的工作的平均室内照度(Ld(DSL))”范围为1,243 lux-4,486 lux,“办公桌上靠近窗户、暴露在间接阳光和/或较低照度的工作的平均室内照度(Ld(ISL))”范围为674 lux-2,987 lux,“教室中央课桌上作业的平均室内照度(Ld(CrC))”范围从101勒克斯到449勒克斯,“板子上作业的平均室内照度(Lb)”范围从110勒克斯到494勒克斯。三个全球推荐的标准[CIE-ISO, IESNA和EN],教室活动的最小/最佳照明水平值,如“在黑板上阅读”(Lsb 500勒克斯)和“在桌子上书写,绘画和阅读”(Lsd = 300勒克斯);随后的统计分析显示,教室里“太阳照射过度”和/或“照明不足”。
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引用次数: 7
The tribological potential of graphene growth from solid waste 从固体废物中生长石墨烯的摩擦学潜力
Q1 Economics, Econometrics and Finance Pub Date : 2019-09-03 DOI: 10.1504/pie.2019.10023640
N. A. M. Tahir, M. Abdollah, N. Tamaldin, H. Amiruddin, Mohd. Zin, T. Tokoroyama, N. Umehara
This study aimed to identify the tribological potential of graphene growth from solid waste products on copper substrate via the chemical vapour deposition method. The study focused on graphene growth from fruit cover plastic waste (FCPW) and oil palm fibre (OPF), the graphene structure was examined using Raman spectroscopy. Then, the tribological testing was performed using a ball-on-disc tribometer, and the hardness was performed using a nano-indenter on both the worn and unworn surfaces. The results show that graphene was successfully grown from both sources. Meanwhile, the tribological study found that both coatings showed a higher coefficient of friction (μ) compared to pure copper. However, the wear rate (k) was contradicted by the μ where the k was found to be 60% to 75% lower than pure copper. Finally, the hardness analysis revealed that the coating was damaged at 100 m sliding as the surface hardness increased.
本研究旨在通过化学气相沉积法确定固体废物在铜基底上生长石墨烯的摩擦学潜力。这项研究的重点是从水果覆盖塑料垃圾(FCPW)和油棕纤维(OPF)中生长石墨烯,并使用拉曼光谱检测了石墨烯的结构。然后,使用球盘式摩擦计进行摩擦学测试,并使用纳米压头在磨损和未磨损表面上进行硬度测试。结果表明,石墨烯是从这两种来源成功生长的。同时,摩擦学研究发现,与纯铜相比,这两种涂层都显示出更高的摩擦系数(μ)。然而,磨损率(k)与μ相矛盾,其中发现k比纯铜低60%至75%。最后,硬度分析表明,随着表面硬度的增加,涂层在100米的滑动中受损。
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引用次数: 2
Aqua-Ammonia based Thermally Activated Combined Power and Cooling System 基于氨水的热激活联合动力和冷却系统
Q1 Economics, Econometrics and Finance Pub Date : 2019-09-03 DOI: 10.1504/PIE.2019.10020699
K. Deepak
The use of aqua-ammonia-based power generating system is a promising way to utilise low temperature heat sources originating either from a renewable energy resource or industrial process waste heat up to a temperature of 150°C. A thermally activated combined power and cooling system to produce electricity and refrigeration effect simultaneously has been modelled and analysed. The proposed system is a Kalina cycle-based power generating system that utilises aqua-ammonia as working fluid. Refrigeration effect is produced by the working fluid from the turbine exit. The combined system produces mechanical power and as well as cooling effect simultaneously. A simulation study has been conducted to analyse the performance of the proposed system and to develop the optimum operating parameters. Result shows thermal efficiency of 18.20% operating with the source fluid temperature at 135°C. This research work provides a new approach to produce cooling effect from low temperature heat sources.
使用氨水发电系统是一种很有前途的方式,可以利用来自可再生能源或温度高达150°C的工业过程废热的低温热源。对一种同时发电和制冷的热激活联合动力和冷却系统进行了建模和分析。所提出的系统是一个基于Kalina循环的发电系统,利用氨水作为工作流体。制冷效果是由来自涡轮机出口的工作流体产生的。组合系统同时产生机械动力和冷却效果。进行了模拟研究,以分析所提出的系统的性能并制定最佳操作参数。结果表明,在源流体温度为135°C的情况下,热效率为18.20%。这项研究工作为低温热源产生冷却效果提供了一种新的途径。
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引用次数: 1
Influence of tilt angle on energy yields and performance ratios of grid connected photovoltaic generators in Southeast Asia 倾角对东南亚并网光伏发电机组发电量及性能比的影响
Q1 Economics, Econometrics and Finance Pub Date : 2019-06-21 DOI: 10.1504/PIE.2019.10022059
Nallapaneni Manoj Kumar, Farah Shabila Dinniyah
This study aims to analyse the influence of tilt angle on energy yields and performance ratio of photovoltaic (PV) systems with three PV technologies over the selected cities in Southeast Asia. 10 kWp grid connected PV generator is proposed with net-metering option in Jakarta, Jayapura, Kuala Lumpur, Singapore and Bangkok. Simulation is carried for three different PV technologies positioned at tilt angle (0° to 90° with 15° step variations). It is observed that, PV generators performance in Southeast Asia is in order of Si-amorph, Si-mono and Si-poly. Energy yield is moderate in PV generators at 0° (horizontal) and at zenith, i.e., 90° the output is little. PV generators positioned at 15° tilt angle in Jakarta, Jayapura, Kuala Lumpur and Bangkok shows better energy yields and performance ratio (PR). In similar, PV generator positioned at close to 0° tilt at Kuala Lumpur and Singapore City shows better energy yields and PR.
本研究旨在分析倾斜角度对三种光伏技术的光伏发电系统发电量和性能比的影响,并在东南亚选定的城市中,在雅加达、查亚普拉、吉隆坡、新加坡和曼谷提出了10 kWp并网光伏发电机的净计量方案。在倾斜角度(0°至90°,15°阶跃变化)下,对三种不同的光伏技术进行了仿真。观察发现,东南亚地区的光伏发电机组性能依次为硅晶型、硅单晶型和硅多晶型。光伏发电机组在0°(水平)的能量产量适中,在天顶,即90°的输出很少。在雅加达、查亚普拉、吉隆坡和曼谷设置15°倾角的光伏发电机组显示出更好的发电量和性能比(PR)。同样,位于吉隆坡和新加坡市的光伏发电机倾角接近0°,显示出更好的能源产量和PR。
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引用次数: 3
Improving the performance and emission of CI engine using biofuel (Botryococcus) 利用生物燃料(葡萄球菌)改善内燃机的性能和排放
Q1 Economics, Econometrics and Finance Pub Date : 2019-06-21 DOI: 10.1504/PIE.2019.10022063
J. Kuberan, N. Alagumurthi
In this modern world, the technology is developing day by day and hence, the demand on fossil fuels and power keeps on increasing. Since the demand is very high, it is impossible to power up the entire world using petrol and diesel. The depletion of fossil fuels and the worst impact on environmental pollution have led to the search for renewable clean energies. Micro algae are presently the favourable source of biofuels for the substitution of fossil fuels. This study focused on to extract bio-oil from the Botryococcus algae which has high lipid content, by using pyrolysis method. The Botryococcus algae oil is used as the biofuel in the direct injection (DI) diesel engine. The 90% diesel is blended with 10% Botryococcus algae oil and the test was carried out to analyse the effect of diesel-biofuel on the engine performance, emission and properties such as SFC, BTE, CO, NOx and HC. The experiment was conducted on a single cylinder four stroke diesel engine with diesel and biofuel blend at varying loads. The performance and emission results of the blended biofuel and diesel were compared, and the performance results, shows the biofuel blend is almost closer to the diesel, and the biofuel blend gives less emission than the diesel.
在这个现代世界,科技日益发展,因此,对化石燃料和电力的需求不断增加。由于需求非常高,不可能用汽油和柴油为整个世界提供动力。化石燃料的枯竭和对环境污染的最严重影响促使人们寻找可再生的清洁能源。微藻是目前替代化石燃料的生物燃料的有利来源。本研究主要从脂质含量高的芽孢球菌藻类中,采用热解法提取生物油。在直喷(DI)柴油发动机中,将藻油作为生物燃料。将90%的柴油与10%的葡萄球菌藻类油混合,进行测试以分析柴油生物燃料对发动机性能,排放和SFC, BTE, CO, NOx和HC等性能的影响。实验是在一个单缸四冲程柴油机上进行的,柴油和生物燃料混合在不同负荷下。对混合生物燃料和柴油的性能和排放结果进行了比较,性能结果表明,混合生物燃料几乎接近柴油,混合生物燃料的排放比柴油少。
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Progress in Industrial Ecology
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