Pub Date : 2023-09-14DOI: 10.1007/s40997-023-00707-0
Fifi N. M. Elwekeel, Qun Zheng, Antar M. M. Abdala
Abstract The impact of roughened swirl cooling chamber walls on heat transfer and fluid flow characteristics is explored in this study. This study compares ten roughened wall shapes against a smooth wall in a swirl cooling chamber. The roughened wall shapes are circumferential and longitudinal with and without cuts. The circumferential cases consist of four cases. The first case, designated as a circumferential groove (CG), contains eight grooves along the surface. The second case, designated as a circumferential groove cut (CGC), has eight cut grooves along the surface. The third case is called a circumferential rib (CR), and the fourth case is called a circumferential rib cut (CRC), and it has eight ribs without and with surface cuts. While the longitudinal cases consist of six cases. The first four cases, which have six longitudinal grooves and ribs with and without cuts, are longitudinal groove (LG), longitudinal groove cut (LGC), longitudinal rib (LR), and longitudinal rib cut (LRGC). The final two longitudinal cases, longitudinal rib groove (LRG) and Longitudinal rib and groove cut (LRGC), have hybrid grooves and ribs without and with surface cuts. Bulk temperature averaged circumferential heat transfer ratio, friction factor, global thermal performance factor, and turbulent kinetic energy are among the variables that were examined. Simulations are performed using CFD codes. These examined parameters are contrasted with results from previous studies. The findings demonstrate that heat transfer is boosted by roughly 2.7, 2.6, and 2.5 times higher in cases with LG, CG, and CGC, respectively, than in the smooth case. The use of rough walls in the swirl cooling chamber boosts the global thermal performance factor; the LG case has a 2.8 times higher global thermal performance factor than a smooth case. In comparison with alternative internal cooling technologies, a grooved wall, as shown in the LG case, has the best heat transfer characteristics.
{"title":"Effects of Circumferential and Longitudinal Ribs and Grooves in Swirl Cooling on Characteristics of Pressure Drop and Heat Transfer","authors":"Fifi N. M. Elwekeel, Qun Zheng, Antar M. M. Abdala","doi":"10.1007/s40997-023-00707-0","DOIUrl":"https://doi.org/10.1007/s40997-023-00707-0","url":null,"abstract":"Abstract The impact of roughened swirl cooling chamber walls on heat transfer and fluid flow characteristics is explored in this study. This study compares ten roughened wall shapes against a smooth wall in a swirl cooling chamber. The roughened wall shapes are circumferential and longitudinal with and without cuts. The circumferential cases consist of four cases. The first case, designated as a circumferential groove (CG), contains eight grooves along the surface. The second case, designated as a circumferential groove cut (CGC), has eight cut grooves along the surface. The third case is called a circumferential rib (CR), and the fourth case is called a circumferential rib cut (CRC), and it has eight ribs without and with surface cuts. While the longitudinal cases consist of six cases. The first four cases, which have six longitudinal grooves and ribs with and without cuts, are longitudinal groove (LG), longitudinal groove cut (LGC), longitudinal rib (LR), and longitudinal rib cut (LRGC). The final two longitudinal cases, longitudinal rib groove (LRG) and Longitudinal rib and groove cut (LRGC), have hybrid grooves and ribs without and with surface cuts. Bulk temperature averaged circumferential heat transfer ratio, friction factor, global thermal performance factor, and turbulent kinetic energy are among the variables that were examined. Simulations are performed using CFD codes. These examined parameters are contrasted with results from previous studies. The findings demonstrate that heat transfer is boosted by roughly 2.7, 2.6, and 2.5 times higher in cases with LG, CG, and CGC, respectively, than in the smooth case. The use of rough walls in the swirl cooling chamber boosts the global thermal performance factor; the LG case has a 2.8 times higher global thermal performance factor than a smooth case. In comparison with alternative internal cooling technologies, a grooved wall, as shown in the LG case, has the best heat transfer characteristics.","PeriodicalId":49063,"journal":{"name":"Iranian Journal of Science and Technology-Transactions of Mechanical Engineering","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-09-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134912756","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-09-13DOI: 10.1007/s40997-023-00703-4
Zhan Wei, Jiameng Chen, Guoguang Jin, Dong Liang, Zhimin Wang
{"title":"Research on Dynamic Analysis and Simulation of Cam Mechanism Considering Contact Collision","authors":"Zhan Wei, Jiameng Chen, Guoguang Jin, Dong Liang, Zhimin Wang","doi":"10.1007/s40997-023-00703-4","DOIUrl":"https://doi.org/10.1007/s40997-023-00703-4","url":null,"abstract":"","PeriodicalId":49063,"journal":{"name":"Iranian Journal of Science and Technology-Transactions of Mechanical Engineering","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-09-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135741742","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-09-05DOI: 10.1007/s40997-023-00706-1
Abhishek Mandal, Abhijit Banik, John Deb Barma, Gautam Majumdar
{"title":"Friction Stir Welding of Two Dissimilar Metals: Weld Quality Characterization Using the Wavelet Transform Approach","authors":"Abhishek Mandal, Abhijit Banik, John Deb Barma, Gautam Majumdar","doi":"10.1007/s40997-023-00706-1","DOIUrl":"https://doi.org/10.1007/s40997-023-00706-1","url":null,"abstract":"","PeriodicalId":49063,"journal":{"name":"Iranian Journal of Science and Technology-Transactions of Mechanical Engineering","volume":null,"pages":null},"PeriodicalIF":1.3,"publicationDate":"2023-09-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82527528","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-08-31DOI: 10.1007/s40997-023-00696-0
Kapil Kumar, H. Singh
{"title":"Parametric Optimization of the 3D Printing Process for Dimensional Accuracy of Biopolymer Parts Using the Grey–Taguchi Method","authors":"Kapil Kumar, H. Singh","doi":"10.1007/s40997-023-00696-0","DOIUrl":"https://doi.org/10.1007/s40997-023-00696-0","url":null,"abstract":"","PeriodicalId":49063,"journal":{"name":"Iranian Journal of Science and Technology-Transactions of Mechanical Engineering","volume":null,"pages":null},"PeriodicalIF":1.3,"publicationDate":"2023-08-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84872187","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-08-29DOI: 10.1007/s40997-023-00700-7
Ahmed Mouthanna, S. Bakhy, M. Al-Waily, E. Njim
{"title":"Free Vibration Investigation of Single-Phase Porous FG Sandwich Cylindrical Shells: Analytical, Numerical and Experimental Study","authors":"Ahmed Mouthanna, S. Bakhy, M. Al-Waily, E. Njim","doi":"10.1007/s40997-023-00700-7","DOIUrl":"https://doi.org/10.1007/s40997-023-00700-7","url":null,"abstract":"","PeriodicalId":49063,"journal":{"name":"Iranian Journal of Science and Technology-Transactions of Mechanical Engineering","volume":null,"pages":null},"PeriodicalIF":1.3,"publicationDate":"2023-08-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78029456","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-08-26DOI: 10.1007/s40997-023-00701-6
Tengda Liu, G. Wei, Yijie Zhang
{"title":"Radial Basis Reproducing Kernel Particle Method for Damped Elastic Dynamics Problems","authors":"Tengda Liu, G. Wei, Yijie Zhang","doi":"10.1007/s40997-023-00701-6","DOIUrl":"https://doi.org/10.1007/s40997-023-00701-6","url":null,"abstract":"","PeriodicalId":49063,"journal":{"name":"Iranian Journal of Science and Technology-Transactions of Mechanical Engineering","volume":null,"pages":null},"PeriodicalIF":1.3,"publicationDate":"2023-08-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77412648","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-08-26DOI: 10.1007/s40997-023-00702-5
M. Mohebbi, Yuan-Xue Ma, R. Mohebbi
{"title":"The Analysis of Utilizing Multiple Fences in High-Speed Tracks on the Aerodynamic Characteristics of a High-Speed Train Model","authors":"M. Mohebbi, Yuan-Xue Ma, R. Mohebbi","doi":"10.1007/s40997-023-00702-5","DOIUrl":"https://doi.org/10.1007/s40997-023-00702-5","url":null,"abstract":"","PeriodicalId":49063,"journal":{"name":"Iranian Journal of Science and Technology-Transactions of Mechanical Engineering","volume":null,"pages":null},"PeriodicalIF":1.3,"publicationDate":"2023-08-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83418936","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-08-18DOI: 10.1007/s40997-023-00698-y
A. Soleiman, A. Abouelregal, M. Fahmy, H. Sedighi
{"title":"Thermomechanical Behavior of Functionally Graded Nanoscale Beams Under Fractional Heat Transfer Model with a Two-Parameter Mittag-Leffler Function","authors":"A. Soleiman, A. Abouelregal, M. Fahmy, H. Sedighi","doi":"10.1007/s40997-023-00698-y","DOIUrl":"https://doi.org/10.1007/s40997-023-00698-y","url":null,"abstract":"","PeriodicalId":49063,"journal":{"name":"Iranian Journal of Science and Technology-Transactions of Mechanical Engineering","volume":null,"pages":null},"PeriodicalIF":1.3,"publicationDate":"2023-08-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81029870","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-08-16DOI: 10.1007/s40997-023-00693-3
A. Bagheri, A. Ershadi, E. Assareh
{"title":"Hybrid Computational Fluid Dynamic (CFD) and Thermodynamic Analysis for a Gas Power Plant Coupled Two Rankine Cycles and Thermoelectric Generator-Effects Swirl Number, Pressure Ratio Compressor, and Fuel Selection: A TOPSIS Approach","authors":"A. Bagheri, A. Ershadi, E. Assareh","doi":"10.1007/s40997-023-00693-3","DOIUrl":"https://doi.org/10.1007/s40997-023-00693-3","url":null,"abstract":"","PeriodicalId":49063,"journal":{"name":"Iranian Journal of Science and Technology-Transactions of Mechanical Engineering","volume":null,"pages":null},"PeriodicalIF":1.3,"publicationDate":"2023-08-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88822467","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-08-16DOI: 10.1007/s40997-023-00690-6
Hormoz Karimi, Mohammad Mehdi Alishahi, M. Tavakol
{"title":"Turbulence Intensity Measurement in the Test Section of Shiraz Wind Tunnel Using Hot Wire Anemometry","authors":"Hormoz Karimi, Mohammad Mehdi Alishahi, M. Tavakol","doi":"10.1007/s40997-023-00690-6","DOIUrl":"https://doi.org/10.1007/s40997-023-00690-6","url":null,"abstract":"","PeriodicalId":49063,"journal":{"name":"Iranian Journal of Science and Technology-Transactions of Mechanical Engineering","volume":null,"pages":null},"PeriodicalIF":1.3,"publicationDate":"2023-08-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83265285","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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