2011 National Postgraduate Conference最新文献

B-spline finite element solution for the current flow through thermistor 热敏电阻电流的b样条有限元解

2011 National Postgraduate Conference Pub Date : 2011-09-01 DOI: 10.1109/NATPC.2011.6136453

V. Dabral, S. Kapoor, L. M. Tiwari, S. Agrawal

引用次数: 0

Using game as part of the knowledge transfer module in a multimedia courseware: Lines and planes in 3-Dimensions 利用游戏作为多媒体课件中知识传递模块的一部分:三维中的线与面

2011 National Postgraduate Conference Pub Date : 2011-09-01 DOI: 10.1109/NATPC.2011.6136270

S. Noordin, W. Ahmad

引用次数: 4

Forward modeling of seabed logging with controlled source electromagnetic method using radial basis function networks 基于径向基函数网络的可控源电磁法海底测井正演模拟

2011 National Postgraduate Conference Pub Date : 2011-09-01 DOI: 10.1109/NATPC.2011.6136385

Agus Arif, V. Asirvadam, M. N. Karsiti

引用次数: 1

Nitrogen physical adsorption and adsorption equilibrium for natural gas dehydration on zeolite 3A and 4A 3A和4A沸石对天然气脱水过程中氮气的物理吸附及吸附平衡

2011 National Postgraduate Conference Pub Date : 2011-09-01 DOI: 10.1109/NATPC.2011.6136250

N. N. Amran, A. Shariff, K. K. Lau

{"title":"Nitrogen physical adsorption and adsorption equilibrium for natural gas dehydration on zeolite 3A and 4A","authors":"N. N. Amran, A. Shariff, K. K. Lau","doi":"10.1109/NATPC.2011.6136250","DOIUrl":"https://doi.org/10.1109/NATPC.2011.6136250","url":null,"abstract":"Natural gas dehydration is one of the crucial upstream operation processes to protect the gas transportation pipeline and fulfill the sale gas specification. The most commonly used technology for the gas dehydration is glycol absorption. Even though the glycol absorption is effective for practical dehydration application, but it still have various drawbacks related to its operation, environmental effect (due to chemical carry-over), large footprint, and frequent monitoring and maintenance. Physical adsorption with zeolite material has been identified as a potential alternative for dehydration technology. Based on the preliminary screening work, zeolite 3A and 4A have been identified for further performance evaluation due to its potential for practical dehydration application. The performance is based on dehydration capacity of these adsorbents which was evaluated through nitrogen physical adsorption and equilibrium adsorption using Magnetic Suspension Balance (MSB). The results showed that physical adsorption potentially gives better or at par separation efficiency as compared to absorption dehydration process and greener technology approach.","PeriodicalId":6411,"journal":{"name":"2011 National Postgraduate Conference","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2011-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81905238","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: 4

Public bus passenger demographic and travel characteristics a study of public bus passenger profile in Kota Bharu, Kelantan 吉兰丹州哥打巴鲁市公共汽车乘客人口统计与出行特征研究

2011 National Postgraduate Conference Pub Date : 2011-09-01 DOI: 10.1109/NATPC.2011.6136379

N. Yaakub, M. Napiah

引用次数: 18

Modeling of wax crystallization in production of lube oil base stock in solvent dewaxing 润滑油基础油溶剂脱蜡过程中蜡结晶的建模

2011 National Postgraduate Conference Pub Date : 2011-09-01 DOI: 10.1109/NATPC.2011.6136400

Nassir D. Mokhlif, H. Al-Kayiem, M. Baharom

引用次数: 0

A flexible Polyimide based SAW delay line for corrosion detection 一种用于腐蚀检测的柔性聚酰亚胺SAW延迟线

2011 National Postgraduate Conference Pub Date : 2011-09-01 DOI: 10.1109/NATPC.2011.6136384

A. F. Malik, Z. A. Burhanudin, V. Jeoti

{"title":"A flexible Polyimide based SAW delay line for corrosion detection","authors":"A. F. Malik, Z. A. Burhanudin, V. Jeoti","doi":"10.1109/NATPC.2011.6136384","DOIUrl":"https://doi.org/10.1109/NATPC.2011.6136384","url":null,"abstract":"The focus of this paper is to explore a most suitable piezoelectric material for a surface acoustic wave (SAW) sensor to monitor corrosion for curved and complex surfaces at elevated temperatures. A comparison between piezocrystal Quartz and piezopolymers PVDF and Polyimide is made on the basis of simulation. It is found that Piezoelectric Polyimide is a promising material that fulfils our requirements. Finally a flexible Polyimide based surface acoustic wave (SAW) delay line is proposed to detect and monitor corrosion. It consists of a pair of Interdigital Transducers (IDTs) and an intermediate metal sensing element. Generation and detection of SAW on Polyimide piezoelectric substrate are obtained through input and output IDTs made of highly corrosive resistant material i.e. platinum (Pt). The SAW is propagated between the IDTs and underneath a sensing element made of iron (Fe). The device parameters like central frequency, SAW wavelength, number of finger pairs and others are designed using impulse response model. The theoretical phase shift as a function of sensing element's thinness is calculated using mathematical equations and then compared to the phase shift obtained using coupling-of-mode (COM) Model. It is found that thinner the sensing element, the higher the phase shift, especially when thinness of sensing element is at nm scale. It is also noticed that at central frequency greater than 400 MHz, the phase shift is quite high and easily measureable. Since corrosion can be considered as thinning of a metallic element, the results suggest that it is feasible to develop a flexible Polyimide SAW based sensor for corrosion detection.","PeriodicalId":6411,"journal":{"name":"2011 National Postgraduate Conference","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2011-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72798097","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: 7

Feature based classification for classroom speech intelligibility prediction 基于特征分类的课堂语音可理解度预测

2011 National Postgraduate Conference Pub Date : 2011-09-01 DOI: 10.1109/NATPC.2011.6136318

M. R. Tamjis, S. Yaacob, Paulraj Pandian, A. N. Abdullah, R. B. W. Heng

引用次数: 0

Efficient image retrieval based on texture features 基于纹理特征的高效图像检索

2011 National Postgraduate Conference Pub Date : 2011-09-01 DOI: 10.1109/NATPC.2011.6136308

Fazal-e-Malik, B. Baharudin

引用次数: 7

Theoretical analysis of resonant lateral electrostatic Comb drive actuator and sensor 共振式横向静电梳状驱动作动器及传感器的理论分析

2011 National Postgraduate Conference Pub Date : 2011-09-01 DOI: 10.1109/NATPC.2011.6136435

F. Ahmad, M. Khir, N. H. Hamid, J. Dennis

引用次数: 6