Proceedings of The 2nd International Conference on Applied Research in Engineering, Science and Technology最新文献

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Pretreatment of Seawater Using Forward Osmosis for Multistage Flash Desalination 正渗透预处理多级闪蒸淡化海水
Alaa H. Hawaria, Mhd. Hafez Ammara, Ahmed T. Yasira, Syed Zaidib, Ali Altaeec
{"title":"Pretreatment of Seawater Using Forward Osmosis for Multistage Flash Desalination","authors":"Alaa H. Hawaria, Mhd. Hafez Ammara, Ahmed T. Yasira, Syed Zaidib, Ali Altaeec","doi":"10.33422/2nd-icarest.2019.06.285","DOIUrl":"https://doi.org/10.33422/2nd-icarest.2019.06.285","url":null,"abstract":"Pretreatment of seawater using Forward Osmosis (FO) before a Multistage Flash (MSF) desalination plant could enhance the performance of the thermal desalination process. In this study, brine is used as the draw solution while the feed solution is seawater. The impact of the flow rate of the feed solution and the draw solution on the membrane flux was studied. In addition, the impact of pretreatment of feed solution by a sand filter on the membrane flux was studied. The pretreatment of the feed solution (i.e. seawater) had minimal impact on the membrane flux. A membrane flux of 14.2 LPM and 13.4 LPM was obtained with non-treated seawater as feed solution and treated seawater as feed solution, respectively. The recovery rate was 26% and 24% for the non-treated seawater and treated seawater, respectively.","PeriodicalId":320278,"journal":{"name":"Proceedings of The 2nd International Conference on Applied Research in Engineering, Science and Technology","volume":"113 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-06-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127274873","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
The New Model of Lower Limb Prosthesis: Lower Limb Prosthesis Design Based on Indonesian Anthropometry 下肢假肢的新模式:基于印尼人体测量学的下肢假肢设计
Muh.Abd.Rauf Lamada
{"title":"The New Model of Lower Limb Prosthesis: Lower Limb Prosthesis Design Based on Indonesian Anthropometry","authors":"Muh.Abd.Rauf Lamada","doi":"10.33422/2nd-icarest.2019.06.286","DOIUrl":"https://doi.org/10.33422/2nd-icarest.2019.06.286","url":null,"abstract":". There have been many different types of lower limb prosthesis offered today. in this paper, a new design has been created that aims to make a prosthesis without measuring the dimensions of the amputation patient's legs. The material used in this design is nylon filament and aluminum 6061. In designing the prosthesis, Indonesian anthropometry is used with ages above 12 years with the 95th percentile. The process of design and analysis using Autodesk Inventor software which uses the theory of finite element analysis. In the process, the analysis is carried out static loading test on the prosthesis and assumed the load is centered on the shank section. Static loading carried out on the prosthesis with nylon and aluminum material after testing showed that the maximum von mises value in the shank part is 0.83 MPa and the foot part is 0.76 MPa. The design of prosthesis using nylon filament and aluminum after analysis proved to be quite strong. However, in this design, the pressure testing that occurs in the socket section due to the load given is still unknown. In designing this prosthesis, it is also designed with three different sizes, considering the variation in the shape of the calves of each different amputation patient.","PeriodicalId":320278,"journal":{"name":"Proceedings of The 2nd International Conference on Applied Research in Engineering, Science and Technology","volume":"183 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-06-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134057240","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
Production of an engineered fertilizing solution from treated waste water using forward osmosis 利用正向渗透从处理过的废水中生产工程化肥料溶液
M. Hafez, A. Hawari, A. Altaee
{"title":"Production of an engineered fertilizing solution from treated waste water using forward osmosis","authors":"M. Hafez, A. Hawari, A. Altaee","doi":"10.33422/2nd-icarest.2019.06.284","DOIUrl":"https://doi.org/10.33422/2nd-icarest.2019.06.284","url":null,"abstract":"Treated sewage effluent (TSE) contains high concentrations of total dissolved solids and nutrients, which makes TSE unsuitable for direct use for irrigation. In this study, forward osmosis (FO) is utilized to produce a fertilizing solution from TSE that can be directly used for irrigation. An engineered fertilizing solution was used as a draw solution while the feed solution was TSE in the forward osmosis process. The engineered fertilizing solution is made of 0.5 M NaCl and 0.01 M of Diammonium phosphate [(NH4)2HPO4]. The effect of feed solution and draw solution flow rate on the permeate flux is studied. Furthermore, the impact of the membrane orientation on the permeate flux is also studied. Results showed that the highest membrane flux was 13.2 LMH, achieved at a flow rate of 2 LPM for the feed solution and the draw solution. Moreover, at 2 LPM flowrate, when the feed solution is facing the active layer of the membrane (FO mode) showed 114% higher permeate flux than when the draw solution is facing the active layer (PRO mode).","PeriodicalId":320278,"journal":{"name":"Proceedings of The 2nd International Conference on Applied Research in Engineering, Science and Technology","volume":"18 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-06-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131550170","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
Rehabilitation of Bridges between Thailand and Laos 修复泰国和老挝之间的桥梁
P. Chupanit
{"title":"Rehabilitation of Bridges between Thailand and Laos","authors":"P. Chupanit","doi":"10.33422/2nd-icarest.2019.06.283","DOIUrl":"https://doi.org/10.33422/2nd-icarest.2019.06.283","url":null,"abstract":"","PeriodicalId":320278,"journal":{"name":"Proceedings of The 2nd International Conference on Applied Research in Engineering, Science and Technology","volume":"23 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-06-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123790327","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
An Experimental Study on the Heat Transfer Characteristics of a Radiant Cooled Floor 辐射制冷地板换热特性的实验研究
Yakup Karakoyun, O. Acikgoz, Z. Yumurtacı, Ahmet Selim Dalkılıç, B. Acar
{"title":"An Experimental Study on the Heat Transfer Characteristics of a Radiant Cooled Floor","authors":"Yakup Karakoyun, O. Acikgoz, Z. Yumurtacı, Ahmet Selim Dalkılıç, B. Acar","doi":"10.33422/2nd-icarest.2019.06.282","DOIUrl":"https://doi.org/10.33422/2nd-icarest.2019.06.282","url":null,"abstract":"Radiant heating/cooling systems are being important and preferable due to their extensive usage area and energy saving status. Many kinds of energy generation systems can be utilized to supply energy for heating systems, such as renewable energy systems. As a result of these advantages, research over radiant heating and cooling in various sub-areas have remarkably increased in last decades, particularly with regard to obtaining the most suitable heat transfer characteristics for the use in building simulation programs, dimensioning, and designing. This study presents the heat transfer characteristics over a radiant cooled floor under the experimental conditions as of 3 different supply water temperatures of 10C, 15 C, and 20C with supply water flow rates as 0.056 and 0,125 kg/s. The experimental results are compared with relevant literature and heat transfer coefficients are recommended.","PeriodicalId":320278,"journal":{"name":"Proceedings of The 2nd International Conference on Applied Research in Engineering, Science and Technology","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122339674","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
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