Relevant bibliographies by topics / Flow-path design

Academic literature on the topic 'Flow-path design'

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Published: 14 March 2023

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Journal articles on the topic "Flow-path design"

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Leno, I. Jerin, S. Saravanasankar, and S. G. Ponnambalam. "Layout Design for Efficient Material Flow Path." Procedia Engineering 38 (2012): 872–79. http://dx.doi.org/10.1016/j.proeng.2012.06.110.

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Hund, S., J. F. Antaki, and O. Ghattas. "OPTIMAL FLOW PATH DESIGN OF A CANNULA." ASAIO Journal 50, no. 2 (March 2004): 143. http://dx.doi.org/10.1097/00002480-200403000-00131.

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GASKINS, R. J., and J. M. A. TANCHOCO. "Flow path design for automated guided vehicle systems." International Journal of Production Research 25, no. 5 (May 1987): 667–76. http://dx.doi.org/10.1080/00207548708919869.

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KASPI, MOSHE, and J. M. A. TANCHOCO. "Optimal flow path design of unidirectional AGV systems." International Journal of Production Research 28, no. 6 (June 1990): 1023–30. http://dx.doi.org/10.1080/00207549008942772.

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SINRIECH, DAVID, and J. M. A. TANCHOCO. "Intersection graph method for AGV flow path design." International Journal of Production Research 29, no. 9 (September 1991): 1725–32. http://dx.doi.org/10.1080/00207549108948044.

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Rubaszewski, J., A. Yalaoui, L. Amodeo, and S. Fuchs. "Efficient genetic algorithm for unidirectional flow path design." IFAC Proceedings Volumes 45, no. 6 (May 2012): 883–88. http://dx.doi.org/10.3182/20120523-3-ro-2023.00105.

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Chiba, Ryosuke, Tamio Arai, and Jun Ota. "Flow Path Network Design for Robust AGV Systems Against Tasks Using Competitive Coevolution." Journal of Robotics and Mechatronics 22, no. 4 (August 20, 2010): 475–84. http://dx.doi.org/10.20965/jrm.2010.p0475.

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An effective and robust flow path network is desired in Automated Guided Vehicle (AGV) systems. A design process to obtain the desired flow path network in AGV systems is proposed in this paper. Our proposed method can make flow path networks robust against tasks, which include pick-up point, drop-off point and throughput and number of AGVs . It is important for this robust flow path network that the kinds of tasks be of various and non-linear to the system effectiveness. The problem is solved by the design method of various kinds of tasks that are difficult for AGV systems using Genetic Algorithm (GA). An effective flow path network is designed with GA simultaneously because the difficult tasks and number of AGVs depend on the flow path networks. Competitive coevolution is applied to the simultaneous design. AGV systems can be effective with uni/bi-directional combined flow path networks which utilize just simple routings. Results of the design are shown through simulations, and the designed flow path network makes it possible to complete various tasks with various numbers of AGVs.
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Gao, Wei Guo, Wen Tie Niu, and Da Wei Zhang. "Dynamic Flow Path Feature Based Hydraulic Manifold Block Design." Materials Science Forum 628-629 (August 2009): 275–80. http://dx.doi.org/10.4028/www.scientific.net/msf.628-629.275.

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The modelling method of dynamic flow path feature (DFPF) is proposed for the design process of hydraulic manifold block (HMB). In this method, temporary body model and B-Rep model are adopted to represent geometric model of DFPF; the former is used for showing flow path, checking connectivity and safe wall thickness, and the latter is used for saving the final results. A novel feature topological representation method based on solid adjacency graph (SAG) is provided, and then validity of feature semantics can be checked through SAG. Finally dynamic topological changeability of flow path feature is realized by constraint solution and knowledge driving. Object-oriented model of DFPF is given, and the design process of HMB based on DFPF is illustrated.
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Li, Guang, Wen Tie Niu, Da Wei Zhang, and Wei Guo Gao. "An Adaptive Changeability Approach of Flow Path Feature in Hydraulic Manifold Blocks Design." Advanced Materials Research 311-313 (August 2011): 787–91. http://dx.doi.org/10.4028/www.scientific.net/amr.311-313.787.

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The connection design of flow path is the most important task in Hydraulic Manifold Blocks (HMB) design. But the traditional method of feature design can not dynamically change the topology configuration and parameters of flow path when the design changed. This paper use a hybrid model consisting of temporary body model and B-Rep model, and represent flow path pattern using adjacency graph, adjacency matrix, weight matrix and degree array. The design parameters can be optimized by non-dominated sorting genetic algorithm (NSGA2). The topology configuration of flow path can adaptively change according to the design change.
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Ammons, Glenn, and James R. Larus. "Improving data-flow analysis with path profiles." ACM SIGPLAN Notices 33, no. 5 (May 1998): 72–84. http://dx.doi.org/10.1145/277652.277665.

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Dissertations / Theses on the topic "Flow-path design"

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Gough, William Dennis. "Automated Flow Path Design Optimization Using Mesh Morphing." BYU ScholarsArchive, 2011. https://scholarsarchive.byu.edu/etd/2843.

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The use of CAD models and CFD analysis has become an essential part of fluid flow design. To reduce the time spent determining a design, optimization frameworks have been implemented to automate the process. Mesh morphing has been implemented within these frameworks to further reduce the time needed. While optimization methods have been developed to optimize a fluid flow path, the optimum design needs to be recreated in a CAD model. A method has been developed which eliminates the need to recreate the optimal results in CAD. This is accomplished by using mesh morphing, CAD and CFD together in an optimization framework. The method developed has been implemented with a significant time savings over the use of a traditional meshing optimization framework.
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Bakkalbasi, Omer. "Flow path network design and layout configuration for material delivery systems." Diss., Georgia Institute of Technology, 1989. http://hdl.handle.net/1853/25617.

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AGARKAR, KEDAR GIRISH. "FLOW PATH DESIGN AND RELIABILITY OF AUTOMATED GUIDED VEHICLES IN MATERIAL HANDLING." University of Cincinnati / OhioLINK, 2004. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1089661534.

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Agarkar, Kedar G. "Flow path design and reliability of automated guided vehicles in material building." Cincinnati, Ohio : University of Cincinnati, 2004. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=ucin1089661534.

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Mishra, Shashank. "Developing Novel Computational Fluid Dynamics Technique for Incompressible Flow and Flow Path Design of Novel Centrifugal Compressor." University of Cincinnati / OhioLINK, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1460731437.

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Chen, Ming-Te Mark. "Flow path design of a class of material handling systems for robustness and reliability." Diss., Georgia Institute of Technology, 1994. http://hdl.handle.net/1853/25381.

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Agbenowosi, Newland Komla. "GIS based optimal design of sewer networks and pump stations." Thesis, Virginia Tech, 1995. http://hdl.handle.net/10919/43184.

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In the planning and design of sewer networks, most of the decisions are spatially dependent because of the right of way considerations and the desire to have flow by gravity. This research addresses the application of combined optimization-geographic information system (GIS) technology in the design process. The program developed for the design uses selected manhole locations to generate the candidate potential sewer networks. The design area is delineated into subwatersheds for determining the locations for lift stations when gravity flow is not possible. Flows from upstream subwatersheds are transported to the downstream subwatersheds via a force main. The path and destination of each force main in the system is determined by applying the Dijkstra's shortest path algorithm to select the least cost path from a set of potential paths. This method seeks to minimize the total dynamic head. A modified length is used to represent the length of each link or force main segment. The modified length is the physical length of the link (representing the friction loss) plus an equivalent length (representing the static head). The least cost path for the force main is the path with the least total modified length. The design approach is applied to two areas in the town of Blacksburg, Virginia. The resulting network and the force main paths are discussed.


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Wan, Yen-Tai. "Material transport system design in manufacturing." Diss., Available online, Georgia Institute of Technology, 2006, 2006. http://etd.gatech.edu/theses/available/etd-03282006-231022/.

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Thesis (Ph. D.)--Industrial and Systems Engineering, Georgia Institute of Technology, 2006.
Dr. Yih-Long Chang, Committee Member ; Dr. Martin Savelsbergh, Committee Member ; Dr. Leon McGinnis, Committee Co-Chair ; Dr. Gunter Sharp, Committee Chair ; Dr. Doug Bodner, Committee Member ; Dr. Joel Sokol, Committee Member.
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Chiang, Chia-Sheng, and 江家昇. "Heat Sinks Shape Design Techniques Based on Flow Path." Thesis, 2003. http://ndltd.ncl.edu.tw/handle/84134149402953199858.

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碩士
國立臺灣科技大學
機械工程系
91
This research aims first to establish the analysis capabilities on AMD Athlon XP heat sinks by using the commercial FEM package, ANSYS. A good comparison between the experimental data and the numerical results was obtained. Many different inlet/outlet location combinations in the same design space were defined, and the proposed method is then used to design the heat dissipation fins based on air flow patterns. By using identical fin materials, the air flow based techniques can automatically create curvilinear fins that will minimize the maximum temperature of the fins. To test the effectiveness of the proposed air flow based method, for each inlet/outlet conditions, the straight line fins of the optimum angle orientation is obtained and the performance is compared to the curvilinear fins obtained by using the proposed air flow based method. Experiments show that the air flow based method can be used to create curvilinear fins with improved heat dissipation capabilities.
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Huang, Sheng Chih, and 黃聖智. "FLOW PATH AND P/D LOCATION DESIGN FOR AGVS." Thesis, 1993. http://ndltd.ncl.edu.tw/handle/31001013293487554549.

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碩士
國立清華大學
工業工程研究所
81
Several studies about automated guided vehicle system have been discussed in recently years. E- specially in flow path and P/D location design p- roblem, various kinds of flow path such tandem, single loop and traditional guide path have been studied with different features and perform diff- erent goal. In this thesis, an IP model to determine the optimal, uni- directional flow path and P/D locat- ion that permitted separable P/D location in one department is presented. We then develope a two phase peocedure to assign flow path directions a- nd locate P/D station of each department by cons- idering the vehicle congestion simultaneous. Two examples are illustrated and show the results for these important issues in automated guided vehic- le system.
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Books on the topic "Flow-path design"

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Gain, W. Scott. The effects of flow-path modificaton on water-quality constituent retention in an urban stormwater detention pond and wetland system, Orlando, Florida. Tallahassee, Fla: U.S. Dept. of the Interior, U.S. Geological Survey, 1996.

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Gain, W. Scott. The effects of flow-path modification on water-quality constituent retention in an urban stormwater detention pond and wetland system, Orlando, Florida. Tallahassee, Fla: U.S. Dept. of the Interior, U.S. Geological Survey, 1996.

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Gain, W. Scott. The effects of flow-path modification on water-quality constituent retention in an urban stormwater detention pond and wetland system, Orlando, Florida. Tallahassee, Fla: U.S. Dept. of the Interior, U.S. Geological Survey, 1996.

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Gain, W. Scott. The effects of flow-path modificaton on water-quality constituent retention in an urban stormwater detention pond and wetland system, Orlando, Florida. Tallahassee, Fla: U.S. Dept. of the Interior, U.S. Geological Survey, 1996.

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Gain, W. Scott. The effects of flow-path modification on water-quality constituent retention in an urban stormwater detention pond and wetland system, Orlando, Florida. Tallahassee, Fla: U.S. Dept. of the Interior, U.S. Geological Survey, 1996.

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Gain, W. Scott. The effects of flow-path modificaton on water-quality constituent retention in an urban stormwater detention pond and wetland system, Orlando, Florida. Tallahassee, Fla: U.S. Dept. of the Interior, U.S. Geological Survey, 1996.

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Gain, W. Scott. The effects of flow-path modificaton on water-quality constituent retention in an urban stormwater detention pond and wetland system, Orlando, Florida. Tallahassee, Fla: U.S. Dept. of the Interior, U.S. Geological Survey, 1996.

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(Editor), B. R. King, and INTERNATIONAL JOINT POWER GENERATION CON (Editor), eds. The Steam Turbine-Generator Today: Materials Flow Path Design Repair and Refurbishment (Pwr Series : Volume 21). Amer Society of Mechanical, 1993.

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The Steam turbine-generator today: Materials, flow path design, repair and refurbishment : presented at the 1993 International Joint Power Generation Conference, Kansas City, Missouri, October 17-22, 1993. New York: American Society of Mechanical Engineers, 1993.

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Suen, Sze-chuan, David Scheinker, and Eva Enns, eds. Artificial Intelligence for Healthcare. Cambridge University Press, 2022. http://dx.doi.org/10.1017/9781108872188.

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Healthcare has recently seen numerous exciting applications of artificial intelligence, industrial engineering, and operations research. This book, designed to be accessible to a diverse audience, provides an overview of interdisciplinary research partnerships that leverage AI, IE, and OR to tackle societal and operational problems in healthcare. The topics are drawn from a wide variety of disciplines, ranging from optimizing the location of AEDs for cardiac arrests to data mining for facilitating patient flow through a hospital. These applications highlight how engineering has contributed to medical knowledge, health system operations, and behavioral health. Chapter authors include medical doctors, policy-makers, social scientists, and engineers. Each chapter begins with a summary of the health care problem and engineering method. In these examples, researchers in public health, medicine, and social science as well as engineers will find a path to start interdisciplinary collaborations in health applications of AI/IE/OR.
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Book chapters on the topic "Flow-path design"

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Kim, K. H., and J. M. A. Tanchoco. "Reachability in material flow path design." In Material Flow Systems in Manufacturing, 159–76. Boston, MA: Springer US, 1994. http://dx.doi.org/10.1007/978-1-4615-2498-4_6.

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Rubaszewski, Julie, Alice Yalaoui, and Lionel Amodeo. "Solving Unidirectional Flow Path Design Problems Using Metaheuristics." In Operations Research/Computer Science Interfaces Series, 25–56. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-23350-5_2.

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Prabhakar, N., G. Gopinath, S. Bharathiraja, M. Praveen, and V. R. SwaroopRaj. "Flow Path Optimization of Pneumatic Valves Through CFD Analysis." In Advances in Simulation, Product Design and Development, 349–59. Singapore: Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-32-9487-5_27.

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Guan, Xianping, Baijing Qiu, and Hongbing Yang. "Integrated RMS Layout and Flow Path Design: Modelling and a Heuristic method." In Lecture Notes in Electrical Engineering, 403–11. Dordrecht: Springer Netherlands, 2011. http://dx.doi.org/10.1007/978-94-007-1839-5_43.

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Chinazzo, André, Christian De Schryver, Katharina Zweig, and Norbert Wehn. "A Custom Hardware Architecture for the Link Assessment Problem." In Lecture Notes in Computer Science, 57–75. Cham: Springer Nature Switzerland, 2022. http://dx.doi.org/10.1007/978-3-031-21534-6_4.

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AbstractHeterogeneous accelerator enhanced computing architectures are a common solution in embedded computing, mainly due to the constraints in energy and power efficiency. Such accelerator enhanced systems dispatch data- and computing-intensive tasks to specialized, optimized and thus efficient hardware units, leaving most control flow tasks for the more generic but less efficient central processing units (CPUs). Nowadays, also high-performance computing (HPC) systems are becoming more heterogeneous by incorporating accelerators into the computing nodes.In this chapter, we introduce the concept of heterogeneous computing and present the design of a hardware accelerator for solving the Link Assessment (LA) problem, in introduced Chapter 3. The hardware accelerator integrates its main dedicated processing units with a customized cache design and light-weight data path. We provide detailed area, energy, and timing results for a 28 nm application specific integrated circuit (ASIC) process and DDR3 memory devices. Compared to an CPU-based cluster, our proposed solution uses 38x less memory and is 1030x more energy efficient for processing a users-movies dataset with half a million edges.
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Righi, Riccardo. "Information Flow Simulations in Multi-dimensional and Dynamic Systems." In Communications in Computer and Information Science, 233–48. Cham: Springer Nature Switzerland, 2022. http://dx.doi.org/10.1007/978-3-031-23929-8_22.

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AbstractThe relevance of nodes with respect to the position they have in a network is often investigated with centrality measures. In particular, in cases where it is specifically meaningful to consider nodes’ ability to cumulate and convey information, like in economic systems, betweenness centrality is one of the most pertinent options because of its underlying concept. However, this statistic presents two limitations. First, as it relies on the computation of shortest paths, it is grounded on a binary topological evaluation: every time a node is not located in the shortest path between two other nodes, it gains no score at all in its centrality (even if it is located on a path just one step longer). Second, betweenness centrality does not allow the direct analysis of multi-dimensional and dynamic networks: it has to be computed one dimension and one instant at a time, and this causes problems of comparability in case of weighted connections. The scope and the originality of this work is to design a network model that makes it possible to solve these issues. The proposed Dynamic Multi-Layer Network (DMLN) allows the structural representation of the multi-dimensional and dynamic properties of nodes’ interactions. Then, this allows the computation of a metric that, based on Infomap random walks, assesses the level of information cumulated and conveyed by nodes in any moment and in any dimension of interaction. Importantly, this is performed without relying on a binary evaluation, and by jointly taking into account what occurred in all the dimensions and during the entire period, in which the system is observed. We present and discuss an implementation based on ICT worldwide trade of goods and services in the period 2004–2014.
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Paulukuhn, L., M. Deckers, A. Kaliwoda, and S. Hecker. "Steam valves and turbine inlet flow path design." In Advances in Steam Turbines for Modern Power Plants, 449–62. Elsevier, 2022. http://dx.doi.org/10.1016/b978-0-12-824359-6.00017-2.

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Farahani, Reza Zanjirani, Hannaneh Rashidi-Bajgan, and Taravatsadat Nehzati. "Inbound Logistics and Vehicle Routing." In Graph Theory for Operations Research and Management, 197–211. IGI Global, 2013. http://dx.doi.org/10.4018/978-1-4666-2661-4.ch014.

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One of the most important factors in the design of automated guided vehicle system (AGVS) is the flow path design. The unidirectional/ conventional flow path design in automated guided vehicle (AGV) routing problem considers aisles to be undirected so that each pair of cells could be reached mutually. Regarding the flow between cells, this chapter presents a novel algorithm to minimize the total distance traveled by the loaded vehicles on the block layout graph. The algorithm is an efficient branch-and-band method with branches on the feasible solutions to solve the strongly connected graph layout. To find the feasible and efficient flow path, the authors use the Revised-DFS based on testing connectivity of the graph.
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Sridhar, Varadharajan, and June Park. "Design of High Capacity Survivable Networks." In Business Data Communications and Networking, 1–19. IGI Global, 2007. http://dx.doi.org/10.4018/978-1-59904-274-9.ch001.

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Survivability, also known as terminal reliability, refers to keeping at least one path between specified network nodes so that some or all of traffic between nodes is routed through. Survivability in high capacity telecommunication networks is crucial as failure of network component such as nodes or links between nodes can potentially bring down the whole communication network, as happened in some real-world cases. Adding redundant network components increases the survivability of a network with an associated increase in cost. In this chapter we consider the design of survivable telecommunications network architecture that uses high-capacity transport facilities. The model considers selection of capacitated links and routing of multicommodity traffic flow in the network that minimizes overall network cost. Two node disjoint paths are selected for each commodity. In case of failure of the primary path, a portion of the traffic for each commodity is rerouted through the secondary path. The methodology presented in this chapter can be used by the network designer to construct cost-effective high capacity survivable networks.
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Konda, Tirumaleswar Reddy. "Collaborative Networking Towards Application-Aware Networking." In Design Innovation and Network Architecture for the Future Internet, 43–65. IGI Global, 2021. http://dx.doi.org/10.4018/978-1-7998-7646-5.ch002.

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Application-aware networking (AAN) is a framework in which applications can discover services offered by a network and explicitly signal their flow characteristics and requirements to the network. Such framework provides network nodes with knowledge of the application flow characteristics, which enables them to apply the correct flow treatment (e.g., bind the flow to a network slice, bind the flow to a service function chaining, set appropriate quality of service marking, invoke policing and shaping rules) and provide feedback to applications accordingly. This chapter describes how an application enabled collaborative networking framework contributes to solve the encountered problems. The chapter also describes recent proposals such as the PAN (path-aware networking) framework discussed within the IRTF and the APN (application-aware networking) framework that is meant to convey application identification and its network performance in-band.
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Conference papers on the topic "Flow-path design"

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Moroz, Leonid, Yuri Govoruschenko, Petr Pagur, and Leonid Romanenko. "Integrated Conceptual Design Environment for Centrifugal Compressors Flow Path Design." In ASME 2008 International Mechanical Engineering Congress and Exposition. ASMEDC, 2008. http://dx.doi.org/10.1115/imece2008-69122.

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A new method for centrifugal and mixed-type compressors flow paths design based on a unique integrated conceptual design environment is presented in this article. At the heart of this new method is the translation of proven, integrated design environments that have been successfully used for axial turbomachinery for many years. This integrated environment is a seamless and swift processing scheme that incorporates stages aerodynamic analysis and preliminary design/sizing based on the one-dimensional method interactive spatial blade profiling, export of blade geometry to CAD and CFD tools, 3D stress and vibration analysis, and finally, flow modeling. The design process is demonstrated for a centrifugal compressor design utilizing AxSTREAM software.
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Roh, Wonjoo, and Noboru Kikuchi. "Optimal Design of Cooling Flow Path by Homogenization Design Method." In ASME 2002 International Mechanical Engineering Congress and Exposition. ASMEDC, 2002. http://dx.doi.org/10.1115/imece2002-33846.

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Topology optimization by homogenization design method has made successful results in the structural design. The idea can be extended to find an optimal structure which interacts with fluid flow, which is coupled to energy conservation. From the fact that an initial design domain is a type of black box composed of repetitions of unit microcells, analysis of a fluid flow through porous media is to be accomplished. Newly developed unit cell structure makes fluid run through a void area in the microcell. The fluid flow is governed by Darcy’s law which is theoretically derived by applying homogenization theory to momentum and continuity equation while assuming inertia-less viscous flow. A sequential linear programming is implemented to converge a final structure as an optimum.
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Liu, Qiong, and Gang Zhou. "Research on bottleneck resources focused flow path design." In 2009 IEEE International Conference on Control and Automation (ICCA). IEEE, 2009. http://dx.doi.org/10.1109/icca.2009.5410502.

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Rubaszewski, Julie, Alice Yalaoui, Lionel Amodeo, and Sylvain Fuchs. "Efficient optimization methods for extended flow path design." In 2013 IEEE International Conference on Industrial Engineering and Engineering Management (IEEM). IEEE, 2013. http://dx.doi.org/10.1109/ieem.2013.6962467.

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Kilian, Tobias, Markus Hanel, Daniel Tille, Martin Huch, and Ulf Schlichtmann. "A Path Selection Flow for Functional Path Ring Oscillators using Physical Design Data." In 2022 IEEE International Test Conference (ITC). IEEE, 2022. http://dx.doi.org/10.1109/itc50671.2022.00034.

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Briones, Alejandro M., Nathan Thomas, and Brent A. Rankin. "Effects of Combustor Enclosure Flow Path on Combustor Design." In ASME Turbo Expo 2020: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/gt2020-14127.

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Abstract A design optimization procedure was implemented to resize the holes of a combustor liner for practical applications. A combustor geometry evaluated without an enclosure was to be reformulated within an enclosure. The objective functions of the combustor with enclosure involved targeting the flow splits of the combustor without enclosure. Latin Hypercube Sampling (LHS) design of experiments (DOE) was utilized to obtain at least a pure quadratic response surface (RS). These were computed using Genetic Aggregate (GA). These RS were, in turn, evaluated by a multiple objective genetic algorithm (MOGA) optimizer. The focus of this study was a small-scale cavity-stabilized combustor. Steady, compressible three-dimensional simulations are performed using a multi-phase Realizable k-ε Reynolds-averaged Navier-Stokes (RANS) approach. Combustion-turbulence interaction is modeled with flamelet progress variable (FPV) and β-presumed probability density function (PDF). There are eleven input and output parameters corresponding to the combustor hole sizes and associated mass flow rates. The RS obtained with GA were principally of the Kriging kind (with constant and linear trends and damped sinusoid and Gaussian kernels). A combustor hole mass flow rate was mainly determined by its hole size but was also influenced by the other holes. The combustor flow split non-linearity shows that increasing a hole size increases its mass flow rate, but simultaneously decreases another hole flow rate. This was also verified by sensitivity analysis. Due to this non-linearity, matching flow splits between geometry without and with enclosure is challenging and may not be possible for some situations. Thus, it is concluded that optimization of the combustor geometry without the enclosure is not the best route. Rather, it would be better for the geometry to be optimized with the enclosure included in order to account for flow separation and non-linear influence of the combustor holes on the flow field.
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Baturin, Oleg V., Chongshan Liu, Peng Sun, and Kuo Han. "Educational Optimization Software for Axial Compressor Flow Path Design." In 2022 IEEE 5th International Conference on Electronics Technology (ICET). IEEE, 2022. http://dx.doi.org/10.1109/icet55676.2022.9824409.

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Li, Mengchu, Tsun-Ming Tseng, Yanlu Ma, Tsung-Yi Ho, and Ulf Schlichtmann. "VOM: Flow-Path Validation and Control-Sequence Optimization for Multilayered Continuous-Flow Microfluidic Biochips." In 2019 IEEE/ACM International Conference on Computer-Aided Design (ICCAD). IEEE, 2019. http://dx.doi.org/10.1109/iccad45719.2019.8942066.

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Pinto, Sonal, and Michael S. Hsiao. "Fast Search-Based RTL Test Generation Using Control-Flow Path Guidance." In 2017 IEEE 35th International Conference on Computer Design (ICCD). IEEE, 2017. http://dx.doi.org/10.1109/iccd.2017.69.

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Ebrahimi, Mohammad, Zana Ghaderi, Eli Bozorgzadeh, and Zain Navabi. "Path Selection and Sensor Insertion Flow for Age Monitoring in FPGAs." In Proceedings of the 2016 Design, Automation & Test in Europe Conference & Exhibition (DATE). Singapore: Research Publishing Services, 2016. http://dx.doi.org/10.3850/9783981537079_0801.

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Reports on the topic "Flow-path design"

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Madrzykowski, Daniel. Firefighter Equipment Operational Environment: Evaluation of Thermal Conditions. UL Firefighter Safety Research Institute, August 2017. http://dx.doi.org/10.54206/102376/igfm4492.

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The goal of this study was to review the available literature to develop a quantitative description of the thermal conditions firefighters and their equipment are exposed to in a structural fire environment. The thermal exposure from the modern fire environment was characterized through the review of fire research studies and fire-ground incidents that provided insight and data to develop a range of quantification. This information was compared with existing standards for firefighting protective equipment to generate a sense of the gap between known information and the need for improved understanding. The comparison of fire conditions with the thermal performance requirements of firefighter protective gear and equipment demonstrates that a fire in a compartment can generate conditions that can fail the equipment that a firefighter wears or uses. The review pointed out the following: 1. The accepted pairing of gas temperature ranges with a corresponding range of heat fluxes does not reflect all compartment fire conditions. There are cases in which the heat flux exceeds the hazard level of the surrounding gas temperature. 2. Thermal conditions can change within seconds. Experimental conditions and incidents were identified in which firefighters would be operating in thermal conditions that were safe for operation based on the temperature and heat flux, but then due to a change in the environment the firefighters would be exposed to conditions that could exceed the protective capabilities of their PPE. 3. Gas velocity is not explicitly considered within the thermal performance requirements. Clothing and equipment tested with a hot air circulating (convection) oven are exposed to gas velocities that measure approximately 1.5 m/s (3 mph). In contrast, the convected hot gas flows within a structure fire could range from 2.3 m/s (5 mph) to 7.0 m/s (15 mph). In cases where the firefighter or equipment would be located in the exhaust portion of a flow path, while operating above the level of the fire, the hot gas velocity could be even higher. This increased hot gas velocity would serve to increase the convective heat transfer rate to the equipment and the firefighter, thereby reducing the safe operating time within the structure. 4. Based on the limited data available, it appears currently available protective clothing enables firefighters to routinely operate in conditions above and beyond the "routine" conditions measured in the fire-ground exposure studies conducted during the 1970s. The fire service and fire standards communities could benefit from an improved understanding of: • real world fire-ground conditions, including temperatures, heat flux, pressure, and chemical exposures; • the impact of convection on the thermal resistance capabilities of firefighting PPE and equipment; and • the benefits of balancing the thermal exposures (thermal performance requirements) across different components of firefighter protective clothing and safety equipment. Because it is unlikely due to trade offs in weight, breathe-ability, usability, cost, etc., that fireproof PPE and equipment will ever be a reality, fire officers and fire chiefs need to consider the capabilities of the protection that their firefighters have when determining fire attack strategies and tactics to ensure that the PPE and equipment is kept within its design operating environment, and that the safety buffer it provides is maintained.
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Regan, Jack, Julie Bryant, and Craig Weinschenk. Analysis of the Coordination of Suppression and Ventilation in Single-Family Homes. UL Firefighter Safety Research Institute, March 2020. http://dx.doi.org/10.54206/102376/slzh7498.

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Prior full-scale research with the fire service was primarily designed to isolate specific tactics, most often either ventilation or suppression, which allowed researchers to develop science-based recommendations related to the specific components of fireground operations studied in relatively controlled conditions. The current project went beyond earlier research by conducting twenty experiments in eight acquired, single-family residential structures and that combined fireground tactics to quantify the impact of coordination between ventilation and suppression actions. This experimental series included second-story bedroom fires (14 experiments) and first-floor kitchen fires (6 experiments). The main control variables studied included the position of initial application of water, the ventilation method, and the timing of ventilation relative to water application. The ventilation tactics examined in these experiments included horizontal, vertical, positive pressure, and hydraulic ventilation, while the suppression tactics included both interior water application and initial exterior water application followed by interior water application. While some elements of the experiments (e.g. structure floor plan and weather) resulted in increased variability, the lessons learned highlighted the importance of having a systematic approach to the implementation of tactics. Most importantly, there was no meaningful increase in temperature outside of fire rooms when ventilation tactics were executed in coordination with (shortly after or shortly before) the onset of suppression. The effectiveness of suppression actions in extinguishing the fire were dependent on the ability of those actions to 1) cool surfaces in the fire room and 2) wet unburned fuel. Exterior suppression actions on second-floor bedroom fires resulted in a decrease in temperatures throughout the second floor, followed by regrowth prior to final suppression through interior streams. When exterior suppression was performed on first-floor kitchen fires, where more complete fuel wetting was possible, regrowth was not observed prior to interior suppression. When surface cooling or fuel wetting are not possible due to the elevation of the fire room, missing ceiling, or obstacles, firefighters should consider alternative means of water distribution to improve the effectiveness of suppression actions from outside the fire room. Suppression actions, whether interior or exterior, generally resulted in a decrease in temperatures and gas concentrations at locations where occupants may potentially be located. Conditions improved most quickly at locations closest in proximity to the inlet of the flow path established between the front door and the fire room. For this reason, opening an exterior door to gain access should be thought of as an important ventilation action, both in terms of its potential to cause fire growth and its potential to improve conditions for potentially trapped occupants. After effective suppression, structure ventilation operations should similarly be cognizant of gas flows, with the aim of establishing flow throughout all areas where occupants may be located.
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