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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
25 Citations
2,694 Views
19 Pages

In this article, monkeypox is studied as a zoonotic poxvirus disease which can occur in humans and other animals due to substitution of the amino acid serine with methionine. We investigate the (+)-catechin, betulinic acid, ursolic acid, quercetin-3-...

  • Article
  • Open Access
8 Citations
3,417 Views
12 Pages

Development of Mathematical Model to Predict Soymilk Fouling Deposit Mass on Heat Transfer Surfaces Using Dimensional Analysis

  • Eakasit Sritham,
  • Navaphattra Nunak,
  • Ekarin Ongwongsakul,
  • Jedsada Chaishome,
  • Gerhard Schleining and
  • Taweepol Suesut

The formation of fouling deposits on heat exchanger surfaces is one of the major concerns in thermal processes. The fouling behavior of food materials is complex, and its mechanism remains, in general, unclear. This study was aimed at developing a pr...

  • Article
  • Open Access
3 Citations
3,128 Views
12 Pages

The current study examines how different types of passengers (elders, travelers with luggage, travelers without luggage, and mixed population) affect the evacuation process in railway tunnels after a fire accident based on Fractional Effective Dose (...

  • Review
  • Open Access
9 Citations
4,019 Views
17 Pages

Deep learning (DL) and convolutional neural networks (CNNs) have achieved state-of-the-art performance in many medical image analysis tasks. Histopathological images contain valuable information that can be used to diagnose diseases and create treatm...

  • Article
  • Open Access
6 Citations
4,093 Views
15 Pages

Computational Investigation of Dental Implant Restoration Using Platform-Switched and -Matched Configurations

  • Mohammad Afazal,
  • Shubham Gupta,
  • Abhishek Tevatia,
  • Saba Afreen and
  • Arnab Chanda

Dental trauma is a serious and highly prevalent health issue across the globe. Most of the frequent dental injuries result in the loss of teeth and affects the overall quality of life. The loss of a tooth is usually compensated by a dental implant. T...

  • Article
  • Open Access
10 Citations
8,604 Views
19 Pages

Energy Consumption Monitoring System Based on IoT for Residential Rooftops

  • Sarah El Himer,
  • Mariyam Ouaissa,
  • Mariya Ouaissa,
  • Moez Krichen,
  • Mohannad Alswailim and
  • Mutiq Almutiq

This work aims to create a web-based real-time monitoring system for electrical energy consumption inside a specific residence. This electrical energy is generated from a micro-CPV system lying on the roof of this residence. The micro-CPV is composed...

  • Article
  • Open Access
3 Citations
2,953 Views
18 Pages

Waste heat recovery is one of the main practices used to reduce the carbon footprint of the industrial sector regarding environmental concern. The supercritical carbon dioxide (s-CO2) cycle is one of the most attractive heat-to-power technologies; du...

  • Article
  • Open Access
3 Citations
2,247 Views
15 Pages

This paper presents a novel design for and an experimental study of a dual-polarized quad-port MIMO antenna. The design achieves resonance at five distinct frequency bands with reduced mutual coupling. The design includes a single annular ring slot,...

  • Feature Paper
  • Article
  • Open Access
4 Citations
2,888 Views
17 Pages

Robust Stabilization of a Microgrid with Communication Delay and Uncertainties

  • Ashraf Khalil,
  • Asma Alfergani,
  • Farhat M. Shaltami and
  • Ali Asheibi

In this paper, the robust stabilization for the networked microgrid system is presented. A microgrid implements master-slave control architecture where the communication channel is utilized to exchange the reference current signals. With this structu...

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Computation - ISSN 2079-3197