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Progress in Canadian Mechanical Engineering最新文献

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Preparation and Properties of Nanoparticle-enhanced Composite Phase Change Material with Ceramic Porous Media 陶瓷多孔介质纳米颗粒增强复合相变材料的制备及性能研究
Progress in Canadian Mechanical Engineering Pub Date : 2018-05-30 DOI: 10.25071/10315/35340
Runfeng Li, Yang Zhou, X. Duan
{"title":"Preparation and Properties of Nanoparticle-enhanced Composite Phase Change Material with Ceramic Porous Media","authors":"Runfeng Li, Yang Zhou, X. Duan","doi":"10.25071/10315/35340","DOIUrl":"https://doi.org/10.25071/10315/35340","url":null,"abstract":"Paper presented at 2018 Canadian Society of Mechanical Engineers International Congress, 27-30 May 2018.","PeriodicalId":216319,"journal":{"name":"Progress in Canadian Mechanical Engineering","volume":"16 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-05-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115301759","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: 0
Motion Of Pigments In Thin Paint Films 颜料在漆膜中的运动
Progress in Canadian Mechanical Engineering Pub Date : 2018-05-30 DOI: 10.25071/10315/35286
Marina Ćurak, N. Saranjam, S. Chandra
{"title":"Motion Of Pigments In Thin Paint Films","authors":"Marina Ćurak, N. Saranjam, S. Chandra","doi":"10.25071/10315/35286","DOIUrl":"https://doi.org/10.25071/10315/35286","url":null,"abstract":"When thin paint layers are exposed to heat, evaporation of the solvent begins, and significant movement within the paint film occur, causing temperature and concentration gradients. A clear coat paint was used, which had a density of 988 kg/m3, viscosity of 240 cP and a surface tension of 26 mN/m and was mixed with spherical solid blue particles with a mean diameter 26 μm were added to the paint at 2% concentration of the total mass. A knife edge was used to coat stainless steel substrates at different thicknesses and placed in a convection oven at 121oC for 30 minutes. Images of the samples during the curing process were taken, showing how the pigments moved from low to high surface tension areas. Colour measurements were taken to show that increasing the thickness of the same paint significantly decreases the lightness value. Keywords-component; Mass transfer and drying, colour, boiling and evaporation, two-phase flow, surface-tension-driven, concentration gradient, self-organizing patterns, automotive paint","PeriodicalId":216319,"journal":{"name":"Progress in Canadian Mechanical Engineering","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-05-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115376018","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: 0
Thermal Conductivity Of Advanced Architected Cellular Materials 先进结构蜂窝材料的热导率
Progress in Canadian Mechanical Engineering Pub Date : 2018-05-30 DOI: 10.25071/10315/35276
A. Mirabolghasemi, H. Akbarzadeh, D. Rodrigue, D. Therriault
{"title":"Thermal Conductivity Of Advanced Architected Cellular Materials","authors":"A. Mirabolghasemi, H. Akbarzadeh, D. Rodrigue, D. Therriault","doi":"10.25071/10315/35276","DOIUrl":"https://doi.org/10.25071/10315/35276","url":null,"abstract":"— Architected cellular materials, as a novel class of low density materials, gain their unprecedented multifunctional performance mainly from their underlying architecture. In this paper, we focus on thermal conductivity of cellular materials. Standard mechanics homogenization with periodic boundary conditions is used to determine the thermal conductivity of cells with supershape pores. The computational results confirm that a wide range of possible anisotropic behaviour for thermal conductivity is achievable for cellular materials. Effective thermal conductivity of shellular materials based on three triply periodic minimal surfaces are also compared with those of cells with supershape pores. It is found that unlike the shellular materials, which only cover a narrow portion of thermal conductivity vs. relative density chart, cellular materials with anisotropic effective thermal conductivity could be engineered by employing supershape pores in cells.","PeriodicalId":216319,"journal":{"name":"Progress in Canadian Mechanical Engineering","volume":"45 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-05-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116894378","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: 0
Strategies For Improving Electrospinability Of Polysulfone 提高聚砜电可纺性的策略
Progress in Canadian Mechanical Engineering Pub Date : 2018-05-30 DOI: 10.25071/10315/35424
Iman Azarian Borojeni, Biao Zhou, S. Eichhorn
{"title":"Strategies For Improving Electrospinability Of Polysulfone","authors":"Iman Azarian Borojeni, Biao Zhou, S. Eichhorn","doi":"10.25071/10315/35424","DOIUrl":"https://doi.org/10.25071/10315/35424","url":null,"abstract":"The overall objective of this study is the fabrication of defect-free electrospun mats of polysulfone (PSU) for applications as a porous support for proton exchange membranes. Electrospinning of PSU from dimethylformamide (DMF) solution generated mats free of cast formation and over-wetting, but unspun droplets were frequently observed in the mats because the electrospun jet was unstable. A stable jet and a large reduction of beads in the electrospun mats were obtained with a mixture of 20 vol.% acetone in DMF. Subsequent optomization of the flow rate to 1.5 mL/h and the applied voltage to 14 kV generated electrospun mats free of any beads based on SEM analysis. Keywords-component; Electrospinning; polysulfone (PSU); Dimethylformamide (DMF); Proton Exchange Membrane","PeriodicalId":216319,"journal":{"name":"Progress in Canadian Mechanical Engineering","volume":"45 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-05-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124795728","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: 0
Review Paper On Digital Manufacturing & Design 数字化制造与设计综述
Progress in Canadian Mechanical Engineering Pub Date : 2018-05-30 DOI: 10.25071/10315/35248
Mukhtiar Singh
{"title":"Review Paper On Digital Manufacturing & Design","authors":"Mukhtiar Singh","doi":"10.25071/10315/35248","DOIUrl":"https://doi.org/10.25071/10315/35248","url":null,"abstract":"—The transformation is happening through digital manufacturing and design (DM&D) – a shift from paper-based processes to digital processes in the manufacturing industry.as technology is having a huge impact on the ways products or services are designed & manufactured. Ever increasing customer demands for newer products with better features is transforming the dynamic of manufacturing towards embracing digital technology. Mass customization of products and services is preferred over mass production. There is an increased pressure upon businesses to serve an individual customer at a competitive cost comparable to the mass production cost, with shortest possible development time and production by focusing on levels of customization, quality and performance along with competitive price and value. With the advancements made in Information","PeriodicalId":216319,"journal":{"name":"Progress in Canadian Mechanical Engineering","volume":"94 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-05-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126078464","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: 0
A Hybrid Manufacturing Approach For Low Volume High Temperature Thermoplastic / Thermoset Material Molds 小批量高温热塑性/热固性材料模具的混合制造方法
Progress in Canadian Mechanical Engineering Pub Date : 2018-05-30 DOI: 10.25071/10315/35425
H. Kalami, R. Urbanic
{"title":"A Hybrid Manufacturing Approach For Low Volume High Temperature Thermoplastic / Thermoset Material Molds","authors":"H. Kalami, R. Urbanic","doi":"10.25071/10315/35425","DOIUrl":"https://doi.org/10.25071/10315/35425","url":null,"abstract":"The mold costs for low volume production molds can be expensive due to the mold material, the process planning time, and the fabrication costs. The focus of this research is to develop a methodology to fabricate molds for low volume production, where the production quantities vary between 1 – 200 components. For this application, the cycle time is not an issue. Employing an additive manufacturing solution could reduce the required amount of materials and the processing planning costs, but there are cost, or technology feasibility issues related to constructing a mold directly from a CAD file. Consequently, a hybrid manufacturing approach is taken where an AM process (material extrusion based) is used to create a sacrificial pattern for specialty, low cost, interchangeable inserts manufactured using an epoxy (Aremco 805). An over molding case study is carried out using a high temperature molding material Technomelt-PA 7846 black. The pattern, insert, coating, and mold fabrication is discussed, as well as the initial results. The initial material cost estimates to fabricate this over molding solution is approximately $140 US. The durability of the RTV coating and the inserts needs to be determined to yield the final solution costs. Keywords-mold fabrication; low volume; high temperature plastic materials; additive manufacturing","PeriodicalId":216319,"journal":{"name":"Progress in Canadian Mechanical Engineering","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-05-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122297874","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: 2
Development And Validation Of A Numerical Model For Vibration Of Power Lines 电力线振动数值模型的建立与验证
Progress in Canadian Mechanical Engineering Pub Date : 2018-05-30 DOI: 10.25071/10315/35278
M. Jalali, G. Rideout
{"title":"Development And Validation Of A Numerical Model For Vibration Of Power Lines","authors":"M. Jalali, G. Rideout","doi":"10.25071/10315/35278","DOIUrl":"https://doi.org/10.25071/10315/35278","url":null,"abstract":"","PeriodicalId":216319,"journal":{"name":"Progress in Canadian Mechanical Engineering","volume":"9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-05-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122846133","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
The Evaluation Of Modelling Techniques For Lubricant Cavitaion In The Application Of Squeeze Film Dampers 挤压膜阻尼器应用中润滑油气蚀建模技术评价
Progress in Canadian Mechanical Engineering Pub Date : 2018-05-30 DOI: 10.25071/10315/35384
Tieshu Fan, K. Behdinan
{"title":"The Evaluation Of Modelling Techniques For Lubricant Cavitaion In The Application Of Squeeze Film Dampers","authors":"Tieshu Fan, K. Behdinan","doi":"10.25071/10315/35384","DOIUrl":"https://doi.org/10.25071/10315/35384","url":null,"abstract":"—Squeeze film damper (SFD) is widely adopted in turbo-engines to suppress the rotor vibration. However, the prediction of SFD performance is complicated due to the inevitable occurrence of lubricant cavitation. This paper shows the application of three different cavitation algorithms for SFD with sealed conditions. In particular, the linear complementarity problem (LCP) method, which is advanced from a previous research study, is applied to compare results from the well-known methods, i.e. the π -film model and the Elrod cavitation method, for SFD executing circular centered orbits with fully degassed lubricant in the absence of oil feeding. Moreover, numerical models are developed incorporating the mentioned algorithms to predict the hydrodynamic pressure distribution over the cavitated fluid film. Results show that the conventional π -film model over-estimates the cavitation region but under-estimates the reaction force.","PeriodicalId":216319,"journal":{"name":"Progress in Canadian Mechanical Engineering","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-05-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129690728","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: 2
Bearing Fault Signature Extraction Under Time-Varying Speed Conditions Via Oscillatory Behavior-Based Signal Decomposition (Obsd) 基于振动行为的时变转速条件下轴承故障特征提取
Progress in Canadian Mechanical Engineering Pub Date : 2018-05-30 DOI: 10.25071/10315/35217
Huancong. Huang, N. Baddour, M. Liang
{"title":"Bearing Fault Signature Extraction Under Time-Varying Speed Conditions Via Oscillatory Behavior-Based Signal Decomposition (Obsd)","authors":"Huancong. Huang, N. Baddour, M. Liang","doi":"10.25071/10315/35217","DOIUrl":"https://doi.org/10.25071/10315/35217","url":null,"abstract":"— Oscillatory Behavior-based Signal Decomposition (OBSD) is a new technique which decomposes a signal according to oscillatory behavior, instead of frequency bands. It has been used for bearing fault signature extraction under constant speed conditions, where the bearing fault-induced vibration signal can be regarded as a low oscillatory component and the interference can be regarded as a high oscillatory component. However, its effectiveness for bearing fault signature extraction under time-varying speed conditions has not been evaluated. Theoretically, the OBSD is a frequency-independent method and should thus be effective under time-varying speed conditions. In this paper, the performance of the OBSD for bearing fault signature extraction under time-varying speed conditions is examined. The results show that the OBSD can be effectively utilized to extract the bearing fault signature under time-varying speed conditions.","PeriodicalId":216319,"journal":{"name":"Progress in Canadian Mechanical Engineering","volume":"63 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-05-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129955157","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: 1
Smelling Through Microfluidic Olfaction Technology 利用微流控嗅觉技术进行嗅觉
Progress in Canadian Mechanical Engineering Pub Date : 2018-05-30 DOI: 10.25071/10315/35359
Pouria Pouria, Justin Hui, Mahyar Mohaghegh Montazeri, K. T. Nguyen, Abigail Logel, Allen O'Brian, M. Hoorfar
{"title":"Smelling Through Microfluidic Olfaction Technology","authors":"Pouria Pouria, Justin Hui, Mahyar Mohaghegh Montazeri, K. T. Nguyen, Abigail Logel, Allen O'Brian, M. Hoorfar","doi":"10.25071/10315/35359","DOIUrl":"https://doi.org/10.25071/10315/35359","url":null,"abstract":"Detection of volatile organic compounds (VOCs) in the exhaled breath is found to be a promising method to diagnose different diseases. The amount of alcohol or drugs absorbed/inhaled in the body can also be measured using gas sensors. Oral habits can affect the composition and also concentration of VOCs produced as a result of cellular metabolic reactions inside our body. Recognition of exhaled breath patterns including composition and concentration of VOCs provides useful information regarding how the breath affects the artificial olfaction systems. This can provide a powerful tool to calibrate gas sensors and detect VOCs associated with different diseases. In the following study, the breath signatures are extracted after different activities including fasting, brushing teeth, and drinking coffee. The results are normalized and implemented into a feature extraction model that extracts principal features for each regime. This will determine the breath signature of each regime. The results show that the effect of these activities on the breath is consistent between different subjects. This study provides the base signature of the exhaled breath which can be used in a clinical setting to identify other target VOCs that are considered the biomarkers of diseases.","PeriodicalId":216319,"journal":{"name":"Progress in Canadian Mechanical Engineering","volume":"202 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-05-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116355467","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
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