Method of computer-aided design of multi-stage heat exchange systems with direct-flow and counter-current flow organization

2020 ◽  
Author(s):  
I.I. Emelyanov ◽  
N.N. Ziyatdinov ◽  
T.V. Lapteva
Keyword(s):  
Heat Exchange ◽  
Computer Aided Design ◽  
Current Flow ◽  
Direct Flow ◽  
Multi Stage ◽  
Computer Aided ◽  
Counter Current Flow ◽  
Aided Design ◽  
Counter Current

Computer Aided Design of Manufacturing of Anchors and Formulation of the Optimization Task for in Use Properties

2013 ◽  
Vol 554-557 ◽  
pp. 372-382
Author(s):  
Mariusz Skóra ◽  
Stanislaw Weglarczyk ◽  
Jan Kusiak ◽  
Maciej Pietrzyk
Keyword(s):  
Computer Aided Design ◽  
Dimensional Accuracy ◽  
Influence Of Process Parameters ◽  
Rheological Models ◽  
Optimization Task ◽  
Multi Stage ◽  
Bainitic Steels ◽  
Computer Aided ◽  
Aided Design ◽  
Selection Of

Computer aided design of the manufacturing technology for anchors is presented in the paper. Evaluation of applicability of various materials for anchors, as well as analysis of the influence of process parameters on the in use properties of product, were the objectives of the research. In the material part, bainitic steels were considered as an alternative for the commonly used C-Mn steels. Possibility of elimination of the heat treatment was evaluated. Rheological models for the investigated steels were developed and implemented into the finite element code for simulations of drawing and multi stage forging. Criteria for the selection of the best manufacturing chain composed dimensional accuracy, tool life and product properties. Industrial trials were performed for the selected cycle and the efficiency of this cycle was evaluated. Finally, simulations of the in use behaviour of the anchor-concrete joint were performed. On the basis of the simulations the optimization task using strength of the joint as the objective function was formulated

scholarly journals Computer-aided design software for multi-stage amplifiers with bipolar transistors and field effect

2019 ◽  
Vol 1418 ◽  
pp. 012001 ◽  
Author(s):  
L Ramírez-Carvajal ◽  
G Sierra-Peñaranda ◽  
K Puerto-López ◽  
D Guevara-Ibarra
Keyword(s):  
Computer Aided Design ◽  
Field Effect ◽  
Bipolar Transistors ◽  
Multi Stage ◽  
Computer Aided ◽  
Design Software ◽  
Aided Design
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