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Operating characteristics of rotating beds 旋转床的工作特点
IF 0.4 4区 工程技术
Chemical Engineering Progress Pub Date : 1988-01-01 DOI: 10.2172/7279454
M. Keyvani, N. Gardner
{"title":"Operating characteristics of rotating beds","authors":"M. Keyvani, N. Gardner","doi":"10.2172/7279454","DOIUrl":"https://doi.org/10.2172/7279454","url":null,"abstract":"Vapor-liquid contacting in high gravitational fields offers prospects for significant reductions in the physical size, capital, and operating costs of packed towers. Pressure drops, power requirements, mass transfer coefficients and liquid residence time distributions are reported for a rotating bed separator. The beds studied were rigid, foamed aluminum, with specific surface areas ranging from 650 to 3000 m{sup 2}/m{sup 2}. Gravitational fields were varied from 50 to 300g.","PeriodicalId":9889,"journal":{"name":"Chemical Engineering Progress","volume":"85 1","pages":"48-52"},"PeriodicalIF":0.4,"publicationDate":"1988-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"68234121","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}
引用次数: 58
Solid-liquid phase transfer catalysis 固-液相转移催化
IF 0.4 4区 工程技术
Chemical Engineering Progress Pub Date : 1987-02-01 DOI: 10.1002/CHIN.198730355
H. A. Yee, H. J. Palmer, Shaw H. Chen
{"title":"Solid-liquid phase transfer catalysis","authors":"H. A. Yee, H. J. Palmer, Shaw H. Chen","doi":"10.1002/CHIN.198730355","DOIUrl":"https://doi.org/10.1002/CHIN.198730355","url":null,"abstract":"Chemical reactions between two compounds located in different phases are often inhibited by the interface between the phases. The interface separates the reactants, preventing them from coming together in sufficiently high concentrations for the reaction to proceed. This can occur in liquid-liquid systems when the organic reagent is immiscible with the aqueous solution containing the inorganic reactant.","PeriodicalId":9889,"journal":{"name":"Chemical Engineering Progress","volume":"83 1","pages":"33-39"},"PeriodicalIF":0.4,"publicationDate":"1987-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1002/CHIN.198730355","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"50862155","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}
引用次数: 4
Introduction to Artificial Intelligence 人工智能概论
IF 0.4 4区 工程技术
Chemical Engineering Progress Pub Date : 1986-01-06 DOI: 10.2514/6.1986-163
Ashley Wu, Jeff Caddell, Charlene MacNeil
{"title":"Introduction to Artificial Intelligence","authors":"Ashley Wu, Jeff Caddell, Charlene MacNeil","doi":"10.2514/6.1986-163","DOIUrl":"https://doi.org/10.2514/6.1986-163","url":null,"abstract":"The author discusses the development of artificial intelligence (AI). He explains the basic elements of AI: Heuristic search, knowledge representation, AI languages and tools, Natural Language Processing, computer vision, expert systems and problem solving and planning.","PeriodicalId":9889,"journal":{"name":"Chemical Engineering Progress","volume":"1 1","pages":""},"PeriodicalIF":0.4,"publicationDate":"1986-01-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.2514/6.1986-163","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"69053821","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}
引用次数: 21
Chemical vapor deposition in microelectronics 微电子学中的化学气相沉积
IF 0.4 4区 工程技术
Chemical Engineering Progress Pub Date : 1985-01-01 DOI: 10.1016/0026-2714(88)90017-0
R. Kurnik
{"title":"Chemical vapor deposition in microelectronics","authors":"R. Kurnik","doi":"10.1016/0026-2714(88)90017-0","DOIUrl":"https://doi.org/10.1016/0026-2714(88)90017-0","url":null,"abstract":"","PeriodicalId":9889,"journal":{"name":"Chemical Engineering Progress","volume":"81 1","pages":"30-35"},"PeriodicalIF":0.4,"publicationDate":"1985-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0026-2714(88)90017-0","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"53723232","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}
引用次数: 28
Mechanically Aided Heat Transfer 机械辅助传热
IF 0.4 4区 工程技术
Chemical Engineering Progress Pub Date : 1959-01-01 DOI: 10.21236/ada319151
D. Kern, H. Karakas
{"title":"Mechanically Aided Heat Transfer","authors":"D. Kern, H. Karakas","doi":"10.21236/ada319151","DOIUrl":"https://doi.org/10.21236/ada319151","url":null,"abstract":"Heat transfer devices with moving parts implement phase changes to and from viscous Newtonian and nonNewtonian fluids. By combining certain principles of heat and mass transfer, hydrodynamics, and rheology, equations are developed for the design of these machines and the prediction of their performance. A numerical example illustrates the use of the derived equations. (auth)","PeriodicalId":9889,"journal":{"name":"Chemical Engineering Progress","volume":"1 1","pages":""},"PeriodicalIF":0.4,"publicationDate":"1959-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"67987399","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}
引用次数: 10
Local Shell-Side Heat-Transfer Coefficients in the Vicinity of Segmental Baffles in Tubular Heat Exchangers, 管片折流板附近管式换热器壳侧局部换热系数
IF 0.4 4区 工程技术
Chemical Engineering Progress Pub Date : 1958-08-01 DOI: 10.21236/ada319140
M. S. Gurushankariah, J. Knudsen
{"title":"Local Shell-Side Heat-Transfer Coefficients in the Vicinity of Segmental Baffles in Tubular Heat Exchangers,","authors":"M. S. Gurushankariah, J. Knudsen","doi":"10.21236/ada319140","DOIUrl":"https://doi.org/10.21236/ada319140","url":null,"abstract":"Abstract : Local heat-transfer coefficients were studied in detail in the central baffle space between two segmental baffles in a tubular heat exchanger. Two baffle spacings and three flow rates were investigated. baffle spacings and three flow rates were investigated. Average overall Nusselt numbers determined from the measured local coefficients compare favorably with average Nusselt numbers measured by other workers. The data are presented in picture form which enabled the drawing up of a schematic diagram, of the flow pattern in the baffle space. The results indicate the presence of three flow zones between two baffles. The longitudinal-flow zone occurs in the baffle windows. The cross-flow zone and eddy-flow zone occur on the downstream and upstream sides of the baffle space respectively. Heat transfer rates were in general higher in the eddy-flow zone. The heat transfer rate varies along individual tubes from a maximum at the baffle to a minimum midway between the baffle. The minimum value is one-fourth to one-half the value at the baffle.","PeriodicalId":9889,"journal":{"name":"Chemical Engineering Progress","volume":"1 1","pages":""},"PeriodicalIF":0.4,"publicationDate":"1958-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"67987388","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}
引用次数: 4
Filtration of Radioactive Aerosols By Glass Fibers 玻璃纤维对放射性气溶胶的过滤
IF 0.4 4区 工程技术
Chemical Engineering Progress Pub Date : 1955-01-01 DOI: 10.1080/00966665.1955.10467674
A. G. Blasewitz, B. Judson
{"title":"Filtration of Radioactive Aerosols By Glass Fibers","authors":"A. G. Blasewitz, B. Judson","doi":"10.1080/00966665.1955.10467674","DOIUrl":"https://doi.org/10.1080/00966665.1955.10467674","url":null,"abstract":"","PeriodicalId":9889,"journal":{"name":"Chemical Engineering Progress","volume":"4 1","pages":"223-229"},"PeriodicalIF":0.4,"publicationDate":"1955-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/00966665.1955.10467674","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"59015498","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}
引用次数: 11
CHEMICAL ENGINEERING ASPECTS OF TITANIUM METAL PRODUCTION 化工方面的钛金属生产
IF 0.4 4区 工程技术
Chemical Engineering Progress Pub Date : 1954-11-01 DOI: 10.1016/0042-207x(56)90141-5
R. Powell
{"title":"CHEMICAL ENGINEERING ASPECTS OF TITANIUM METAL PRODUCTION","authors":"R. Powell","doi":"10.1016/0042-207x(56)90141-5","DOIUrl":"https://doi.org/10.1016/0042-207x(56)90141-5","url":null,"abstract":"","PeriodicalId":9889,"journal":{"name":"Chemical Engineering Progress","volume":"1 1","pages":""},"PeriodicalIF":0.4,"publicationDate":"1954-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0042-207x(56)90141-5","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"53715684","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}
引用次数: 1
Evaporation from drops 水滴蒸发
IF 0.4 4区 工程技术
Chemical Engineering Progress Pub Date : 1952-01-01 DOI: 10.1615/atoz.e.evaporation_of_drops
W. Ranz
{"title":"Evaporation from drops","authors":"W. Ranz","doi":"10.1615/atoz.e.evaporation_of_drops","DOIUrl":"https://doi.org/10.1615/atoz.e.evaporation_of_drops","url":null,"abstract":"","PeriodicalId":9889,"journal":{"name":"Chemical Engineering Progress","volume":"48 1","pages":"142-180"},"PeriodicalIF":0.4,"publicationDate":"1952-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"67418183","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}
引用次数: 2491
Caught in the act 当场被抓
IF 0.4 4区 工程技术
Chemical Engineering Progress Pub Date : 1900-01-01 DOI: 10.1126/science.333.6039.133-f
J. Urquhart
{"title":"Caught in the act","authors":"J. Urquhart","doi":"10.1126/science.333.6039.133-f","DOIUrl":"https://doi.org/10.1126/science.333.6039.133-f","url":null,"abstract":"This article offers suggestions for developing a more-personalized employee reward system, including how to catch them in the act of doing their job well.","PeriodicalId":9889,"journal":{"name":"Chemical Engineering Progress","volume":"98 1","pages":"90-93"},"PeriodicalIF":0.4,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1126/science.333.6039.133-f","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"64392239","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}
引用次数: 0
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