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Performance and emission characteristics of a DI diesel engine using diestrol blends and diesel as fuel 使用混合柴油和柴油作为燃料的直喷式柴油发动机的性能和排放特性
Q3 Business, Management and Accounting Pub Date : 2019-06-27 DOI: 10.1504/IJENM.2019.10022229
R. Rajesh, Chidambaranathan Bibin, P. Seeni Kannan, P. Devan
Biofuels, namely, biodiesel and ethanol produced from renewable energy sources are used as fuels in the blended form along with diesel to investigate the performance and emission characteristics of a DI diesel engine. Diestrol blend consists of diesel, biodiesel/methyl ester and ethanol. In diestrol blends, ethanol percentage is steadily elevated with an incremental factor of 5% culminating into three blends with a maximum percentage of 15% by volume and named as EB5, EB10 and EB15 respectively. A comprehensive analysis of engine performance characteristics such as brake thermal efficiency, brake specific fuel consumption, exhaust gas temperature and emission characteristics such as carbon monoxide, carbon dioxide, unburned hydrocarbon, oxides of nitrogen and smoke opacity were carried out. From the above investigation, it was found that brake thermal efficiency increased by 3%, 5% and oxides of nitrogen emission decreased by 23%, 24.5% when compared to diesel and B20 respectively.
生物燃料,即由可再生能源生产的生物柴油和乙醇,与柴油一起用作混合形式的燃料,以研究直喷式柴油发动机的性能和排放特性。Diestrol混合物由柴油、生物柴油/甲酯和乙醇组成。在二醇混合物中,乙醇百分比以5%的增量因子稳步提高,最终形成三种混合物,其最大体积百分比为15%,分别命名为EB5、EB10和EB15。对发动机的制动热效率、制动比油耗、排气温度等性能特性以及一氧化碳、二氧化碳、未燃碳氢化合物、氮氧化物和烟度等排放特性进行了综合分析。研究发现,与柴油机和B20相比,制动器热效率分别提高了3%、5%,氮氧化物排放量分别降低了23%、24.5%。
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引用次数: 10
Do you gain by green supply chain management 你从绿色供应链管理中获益吗
Q3 Business, Management and Accounting Pub Date : 2019-06-27 DOI: 10.1504/IJENM.2019.10022247
A. Balakrishnan, J. Suresh
The importance of green has increased due to the environmental change. The burning of oil and other fossil fuels releases carbon dioxide, which rises, blankets the earth and traps heat. On environmental issues, there are intensive studies which have been dealt with extensively by practitioners and academicians. There is an increasing pressure on businesses to improve economic and environmental performance. Green supply chain management (GSCM) is an emerging approach for economic and ecological benefit to manufacturers. This paper presents the case study on how GSCM practiced in Ford India in the areas of logistics, packaging and manufacturing processes, how GSCM influence with firm performance and its gain by extending across firms in developing markets such as India.
由于环境的变化,绿色的重要性增加了。石油和其他化石燃料的燃烧会释放出二氧化碳,二氧化碳会上升,覆盖地球并锁住热量。在环境问题上,有深入的研究,从业者和学者对此进行了广泛的研究。企业提高经济和环境绩效的压力越来越大。绿色供应链管理(GSCM)是一种新兴的为制造商带来经济和生态效益的方法。本文介绍了葛兰素史克如何在福特印度公司的物流、包装和制造流程领域进行实践的案例研究,以及葛兰素史克如何通过在印度等发展中市场的企业之间扩展来影响企业绩效及其收益。
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引用次数: 1
A simulated annealing for the cell formation problem with ratio level data 具有比率水平数据的细胞形成问题的模拟退火
Q3 Business, Management and Accounting Pub Date : 2019-03-05 DOI: 10.1504/IJENM.2019.10019590
R. Kamalakannan, R. Pandian, P. Sivakumar
In this paper, the cell formation problem is considered with ratio level data with an objective of minimising the cell load variation. The attempt has been made to propose a simulated annealing (SA) based on the perturbation scheme as random insertion perturbation scheme (RIPS). The ratio level data is distinguished by utilising the workload information gathered from process times, production quantity of parts and also from the capacity of the machines. A modified grouping efficiency (MGE) is used to measure the performance of the system. From the results it is observed that the simulated annealing produces the solution does not differ significantly from the optimal solutions for the benchmark problems. The algorithms which we have chosen the benchmark problems are K-means, modified ART1 and genetic algorithm taken from the literature.
在本文中,用比率水平数据来考虑单元形成问题,目的是最小化单元负载变化。已经尝试提出一种基于扰动方案的模拟退火(SA)作为随机插入扰动方案(RIPS)。比率级数据是通过利用从工艺时间、零件生产数量以及机器容量中收集的工作量信息来区分的。使用修改的分组效率(MGE)来测量系统的性能。从结果中可以观察到,模拟退火产生的解与基准问题的最优解没有显著差异。我们选择的基准问题的算法是K-means、改进的ART1和遗传算法。
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引用次数: 13
Comparative study of machine learning techniques for breast cancer identification/diagnosis 机器学习技术在癌症识别/诊断中的比较研究
Q3 Business, Management and Accounting Pub Date : 2019-03-05 DOI: 10.1504/IJENM.2019.10019586
G. Ganapathy, N. Sivakumaran, M. Punniyamoorthy, R. Surendheran, Srijan Thokala
The number of new cases of female breast cancer was 124.9 per 100,000 women per year. Similarly, deaths were 21.2 per 100,000 women per year. It calls for an urge to increase the awareness of breast cancer and very accurately analyse the causes which may differ in minute variations. This is why the application of computation techniques are widely increasing to support the diagnostic results. In this paper, we present the application of several machine learning techniques and models like neural network, SVM is used to quantify the classifications. The techniques that are most reliable, accurate and robust are emphasised. It gives a plethora of explorations into the research field for developing predictive models. To achieve higher reliability on the data, we present the comparison of various Machine Learning techniques on a dataset that is available on the website Kaggle.
癌症女性新增病例数为每年每10万名妇女124.9例。同样,每年每100000名妇女中有21.2人死亡。它呼吁提高人们对癌症的认识,并非常准确地分析可能在细微变化中不同的原因。这就是为什么计算技术的应用正在广泛增加以支持诊断结果的原因。在本文中,我们介绍了几种机器学习技术和模型的应用,如神经网络,SVM用于量化分类。强调了最可靠、最准确、最稳健的技术。它对开发预测模型的研究领域进行了大量探索。为了获得更高的数据可靠性,我们在Kaggle网站上提供的数据集上对各种机器学习技术进行了比较。
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引用次数: 2
Investigation on effect of geometric, material and load parameters on strength of composites with cutouts 几何、材料和载荷参数对切口复合材料强度影响的研究
Q3 Business, Management and Accounting Pub Date : 2019-03-05 DOI: 10.1504/IJENM.2019.10019570
S. A. Kumar, R. Rajesh
Composite applications require presence of multiple holes for mechanical fasteners or cutouts in laminates. Unlike isotropic materials, composite materials experience change in stress values due to different parameters such as geometric, material and loading parameters. The present study is devoted to primarily determine whether geometric or material parameters have dominant influence on strength of composite laminates. Computational study using ABAQUS CAE software is employed for the analyses. Results reveal that geometric parameters have much significant influence on stress concentration factor and thereby the strength of composite laminates, when compared to material parameters. An elliptical cutout is seen to have comparatively more adverse effect on strength of laminate, when compared with other cutout shapes. Further, effect of load parameters - in-plane tension, compression and shear, is also studied. However, no significant effect was evidenced in stress concentration factor due to load parameters.
复合材料应用需要在层压板中存在用于机械紧固件或切口的多个孔。与各向同性材料不同,复合材料由于几何参数、材料参数和载荷参数等不同参数而经历应力值的变化。本研究主要致力于确定几何参数或材料参数是否对复合材料层压板的强度有主要影响。采用ABAQUS CAE软件进行计算研究。结果表明,与材料参数相比,几何参数对复合材料层压板的应力集中因子以及强度有很大影响。与其他切口形状相比,椭圆形切口对层压板强度的不利影响相对较大。此外,还研究了载荷参数——平面内张力、压缩和剪切——的影响。然而,由于载荷参数的影响,应力集中系数没有显著影响。
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引用次数: 0
Combined economic and emission dispatch using whale optimisation algorithm 使用鲸鱼优化算法的经济和排放联合调度
Q3 Business, Management and Accounting Pub Date : 2019-03-05 DOI: 10.1504/IJENM.2019.10019585
C. K. Faseela, H. Vennila
This paper highlight the use of latest whale optimisation meta heuristic algorithm for solving economic dispatch problem efficiently. This is used to solve the combined economic and emission dispatch problems for standard three generators system and 30 bus IEEE system. The whale optimisation algorithm was found to provide optimum results with easy convergence in comparison with other algorithms like PSO algorithm. Fuel cost and emission costs are combined to derive better result for economic dispatch. For checking the effectiveness of the algorithm, the results obtained using the same are compared with the results of particle swarm optimisation (PSO) and analysed the same against minimum generation cost and easy convergence. The results are found to be excellent for the systems considered.
本文强调使用最新的鲸鱼优化元启发式算法来有效地解决经济调度问题。它用于解决标准三发电机系统和30总线IEEE系统的经济和排放调度问题。与PSO算法等其他算法相比,鲸鱼优化算法可以提供易于收敛的优化结果。将燃料成本和排放成本相结合,得出更好的经济调度结果。为了检查该算法的有效性,将使用该算法获得的结果与粒子群优化(PSO)的结果进行了比较,并针对最小生成成本和容易收敛性对其进行了分析。对于所考虑的系统,结果是极好的。
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引用次数: 1
Experimental study on the influence of fibre surface treatments and coconut shell powder addition on the compressive strength, hardness and tribological properties of sisal fibre-natural rubber composites 纤维表面处理和椰壳粉添加对剑麻纤维-天然橡胶复合材料抗压强度、硬度和摩擦学性能影响的实验研究
Q3 Business, Management and Accounting Pub Date : 2019-03-05 DOI: 10.1504/IJENM.2019.10019583
R. Gopakumar, R. Rajesh
In the present environment scenario, toxic wastes and their disposal is a major issue. Use of natural materials is the viable solution for this problem. This work aims to design and develop an elastomer composite using natural materials - natural rubber composite reinforced with sisal fibres. Since rubber components are essentials in industrial products, the developed material has lot significance. Six composites made with sisal fibres with various surface modifications and a 10%w/w coconut shell filler powder in natural rubber matrix. Sisal fibres used are raw fibre, alkalised fibres, rubber pre-impregnated raw fibres and rubber pre-impregnated alkalised fibre. The specimens tested for wear resistance, compressive strength and hardness. Maximum wear resistance exhibited by alkalised pre-impregnated sisal-rubber composite, followed by raw pre-impregnated-coconut shell powder-rubber composite. The hardness of raw sisal-rubber and raw pre-impregnated fibre composites improved by 228% than pure rubber (25 Shore A). Compressive strengths also showed improvements.
在目前的环境情况下,有毒废物及其处置是一个重大问题。使用天然材料是解决这个问题的可行办法。这项工作旨在设计和开发一种使用天然材料的弹性体复合材料-天然橡胶复合材料与剑麻纤维增强。橡胶构件是工业产品的重要组成部分,开发橡胶材料具有重要意义。六种由不同表面改性的剑麻纤维和10%w/w的椰子壳填充粉在天然橡胶基体中制成的复合材料。使用的剑麻纤维有生纤维、碱化纤维、橡胶预浸渍生纤维和橡胶预浸渍碱化纤维。试样进行了耐磨性、抗压强度和硬度测试。碱预浸渍剑麻-橡胶复合材料耐磨性最高,其次是生预浸渍椰壳粉-橡胶复合材料。生剑麻橡胶和生预浸渍纤维复合材料的硬度比纯橡胶(25 Shore A)提高了228%,抗压强度也有所提高。
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引用次数: 5
Automatic detection and classification of brain tumours using k-means clustering with classifiers 基于k-均值聚类的脑肿瘤自动检测与分类
Q3 Business, Management and Accounting Pub Date : 2019-03-05 DOI: 10.1504/IJENM.2019.10019587
N. Rajini, R. Bhavani
A brain tumour detection and classification system has been designed and developed. This work presents a new approach to the automated detection and classification of astrocytoma, medulloblastoma, glioma, glioblastoma multiforme and craniopharyngioma type of brain tumours based on k-means clustering and texture features, which separate brain tumour from healthy tissues in magnetic resonance images. The magnetic resonance feature image used for the tumour detection consists of T2-weighted magnetic resonance images for each axial slice through the head. The application of the proposed method for tracking tumour is demonstrated to help pathologists distinguish exactly tumour region and its type of tumour. The results are quantitatively evaluated by a human expert. The average overlap metric, average precision and the average recall between the results obtained using the proposed approach and ground truth are 0.92, 0.97 and 0.92, respectively. A classification with accuracy of 100%, 99% and 98% has been obtained by SVM, ANN and decision tree.
设计并开发了一套脑肿瘤检测与分类系统。本文提出了一种基于k均值聚类和纹理特征的星形细胞瘤、髓母细胞瘤、胶质瘤、多形性胶质母细胞瘤和颅咽管瘤类型脑肿瘤自动检测和分类的新方法,该方法将脑肿瘤与磁共振图像中的健康组织分离开来。用于肿瘤检测的磁共振特征图像由通过头部的每个轴向切片的t2加权磁共振图像组成。应用所提出的方法跟踪肿瘤被证明可以帮助病理学家准确区分肿瘤区域和肿瘤类型。结果由人类专家进行定量评估。所得结果与地面真值的平均重叠度、平均精度和平均召回率分别为0.92、0.97和0.92。利用支持向量机、人工神经网络和决策树分别获得了准确率为100%、99%和98%的分类结果。
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引用次数: 0
Three phase optimisation for qualified and secured VMs for resource allocation 对符合条件且安全的虚拟机进行资源分配的三期优化
Q3 Business, Management and Accounting Pub Date : 2018-09-13 DOI: 10.1504/IJENM.2018.10015842
D. Arivudainambi, D. Dhanya
Cloud computing services enable the users to use required computing resources for the required period which thereby permit the users to build a flexible information system. Choosing genuine and secured virtual machines (VM) among thousands of virtual machines is one of the main challenges in resource allocation to achieve higher accuracy. In this paper, VM optimisation techniques namely match making algorithm, memory aware VM and cuckoo technique is incorporated to select the best and secured virtual machine from cloud. In the proposed technique the first two are combined to select the best VM, where cuckoo is used to provide optimised resources to the finest VM. During the selection of finest VM from above techniques, it is necessary to select secured VM's to achieve an optimum result during resource allocation. To select secured VM, signature based detection and secure counters are employed to analyse network traffic and to monitor the data transactions.
云计算服务使用户能够在规定的期限内使用规定的计算资源,从而使用户能够建立灵活的信息系统。在成千上万的虚拟机中选择真正的和安全的虚拟机(VM)是实现更高精度的资源分配的主要挑战之一。本文结合虚拟机优化技术,即匹配算法、内存感知虚拟机和布谷鸟技术,从云中选择最佳和安全的虚拟机。在提出的技术中,将前两者结合起来选择最佳VM,其中cuckoo用于向最佳VM提供优化的资源。在从上述技术中选择最佳VM时,必须选择安全的VM,以在资源分配过程中获得最优结果。为了选择安全虚拟机,采用基于签名的检测和安全计数器对网络流量进行分析,并对数据交易进行监控。
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引用次数: 1
Entropy a new measure to gauge search engine optimisation 熵——衡量搜索引擎优化的一种新方法
Q3 Business, Management and Accounting Pub Date : 2018-09-13 DOI: 10.1504/IJENM.2018.10015770
S. Lakshmi, B. Sathiyabhama, K. Batri
This article tries to analyse, and measure the uncertainty associated with the relevant document selection in web-search engines. The number of index terms, and their occurrence frequency influences the relevance calculation. The variation in term frequency either in processed web documents or in users' query influences the relevance calculation. This leads to an uncertainty associated with the document selection, and it is relevance calculation. In this article, we proposed a new measure called entropy. The entropy can be measured by varying the documents' term frequency or user's query term frequency. As the web documents can't be changed, we used variation in user's query term frequency to measure the uncertainty associated with the document selection in web-search engines. The query's term frequency is varied and given to the search engines. namely 'Google', and 'Bing' The high uncertainty gives scope for search engine optimisation. From the high uncertainty search engines, we can extract more relevant documents.
本文试图分析和衡量网络搜索引擎中相关文档选择的不确定性。索引项的数量及其出现频率影响相关性计算。处理后的网络文档或用户查询中术语频率的变化会影响相关性计算。这导致了与文档选择相关的不确定性,这就是相关性计算。在这篇文章中,我们提出了一种新的度量,称为熵。熵可以通过改变文档的术语频率或用户的查询术语频率来测量。由于网络文档是不可更改的,我们使用用户查询词频率的变化来衡量网络搜索引擎中与文档选择相关的不确定性。查询的术语频率是可变的,并提供给搜索引擎。即“谷歌”和“必应”。高不确定性为搜索引擎优化提供了空间。从高不确定性的搜索引擎中,我们可以提取更多相关的文档。
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引用次数: 4
期刊
International Journal of Enterprise Network Management
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