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Computation, Volume 11, Issue 4

April 2023 - 16 articles

Cover Story: Supercritical CO2 cycle is one of the most attractive heat-to-power technologies; due to the abrupt variation of CO2 properties in the vicinity of its critical point, small compression work is required, and high cycle efficiency is achieved. The most critical component of such a cycle is the main compressor. In this study, the design of a centrifugal compressor for a particular supercritical CO2 recompression Brayton cycle is presented, with a numerical investigation of 3D flow phenomena occurring in it, focusing on the investigation of possible condensation. The effect of accuracy in the evaluation of real gas properties approaching the critical point is examined, and the regions where static pressure is lower than saturation pressure are identified, leading possibly to two-phase flow. View this paper
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Articles (16)

  • Article
  • Open Access
1 Citations
4,223 Views
14 Pages

One of the actual tasks of the contemporary logistics business using the “just in time” supply planning concept, is to distribute manufactured goods among the objects of the distribution network in the most efficient manner at the lowest...

  • Article
  • Open Access
21 Citations
3,604 Views
18 Pages

The focus of this study is on the significance of location in establishing distribution centers. The key question when selecting a location is regarding which location would contribute the most to the growth of a company’s business through the...

  • Article
  • Open Access
2,618 Views
18 Pages

Although the full form of the Rayleigh–Plesset (RP) equation more accurately depicts the bubble behavior in a cavitating flow than its reduced form, it finds much less application than the latter in the computational fluid dynamic (CFD) simulat...

  • Article
  • Open Access
4 Citations
2,503 Views
23 Pages

This paper presents a thermo-mechanical model with phase transition considering changes in the mechanical properties of the medium. The proposed thermo-mechanical model is described by a system of partial differential equations for temperature and di...

  • Article
  • Open Access
3 Citations
4,036 Views
12 Pages

In the field of cryptography, many algorithms rely on the computation of modular multiplicative inverses to ensure the security of their systems. In this study, we build upon our previous research by introducing a novel sequence, (zj)j≥0, that can...

  • Article
  • Open Access
5 Citations
3,239 Views
25 Pages

The Maximum Common Subgraph problem has been long proven NP-hard. Nevertheless, it has countless practical applications, and researchers are still searching for exact solutions and scalable heuristic approaches. Driven by applications in molecular sc...

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Computation - ISSN 2079-3197