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Processes, Volume 8, Issue 12

2020 December - 166 articles

Cover Story: Under safety and reaction engineering aspects, good radial heat transfer is of outstanding importance in slender packed-beds. However, because of local wall effects, the radial heat transport in the near-wall region is limited. In this original research article, we study with particle-resolved CFD simulations and experiments the impact of internal heat fins on the near-wall radial heat transport in slender packed beds filled with spherical particles. The simulation results show that internal heat fins increase the conductive portion of the radial heat transport close to the reactor wall, leading to an overall increased thermal performance of the system. View this paper
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Articles (166)

  • Article
  • Open Access
5 Citations
3,243 Views
20 Pages

21 December 2020

To provide guidance towards reducing the weight of the HFC-125 storage vessel by reducing the release pressure and to reveal the effects of release pressure on the extinguishing efficiency of HFC-125, we investigated the flow and diffusion characteri...

  • Feature Paper
  • Article
  • Open Access
3 Citations
3,729 Views
16 Pages

Characterization of a Wireless Vacuum Sensor Prototype Based on the SAW-Pirani Principle

  • Sofia Toto,
  • Mazin Jouda,
  • Jan G. Korvink,
  • Suparna Sundarayyan,
  • Achim Voigt,
  • Hossein Davoodi and
  • Juergen J. Brandner

21 December 2020

A prototype of a wireless vacuum microsensor combining the Pirani principle and surface acoustic waves (SAW) with extended range and sensitivity was designed, modelled, manufactured and characterised under different conditions. The main components of...

  • Feature Paper
  • Article
  • Open Access
7 Citations
3,087 Views
15 Pages

21 December 2020

This manuscript addresses the problem of modeling an industrial (Sartorius) bioreactor using process data. In the context of the Sartorius Bioreactor, it is important to appropriately address the problem of dealing with a large number of variables, w...

  • Article
  • Open Access
12 Citations
3,501 Views
12 Pages

Comparative Study on CFD Turbulence Models for the Flow Field in Air Cooled Radiator

  • Chao Yu,
  • Xiangyao Xue,
  • Kui Shi,
  • Mingzhen Shao and
  • Yang Liu

21 December 2020

This paper compares the performances of three Computational Fluid Dynamics (CFD) turbulence models, Reynolds Average Navier-Stokes (RANS), Detached Eddy Simulation (DES), and Large Eddy Simulation (LES), for simulating the flow field of a wheel loade...

  • Feature Paper
  • Article
  • Open Access
11 Citations
8,474 Views
16 Pages

Mixing of Particles in a Rotating Drum with Inclined Axis of Rotation

  • Parag Widhate,
  • Haiping Zhu,
  • Qinghua Zeng and
  • Kejun Dong

21 December 2020

Various experimental and numerical studies have been carried out to study the mixing processes inside rotating drums with a horizontal axis of rotation in the past, but little effort has been made to investigate the rotating drums with an inclined ax...

  • Article
  • Open Access
7 Citations
3,745 Views
20 Pages

21 December 2020

The last 20-year announcement predicts a 3.5% increase in the number of yearly passengers which will result in the doubling of the number of passengers in air transport by 2037. Such anticipation indicates the need for efficient monitoring of airport...

  • Feature Paper
  • Article
  • Open Access
28 Citations
4,734 Views
18 Pages

An Integrated Approach to the Design of Centralized and Decentralized Biorefineries with Environmental, Safety, and Economic Objectives

  • Antioco López-Molina,
  • Debalina Sengupta,
  • Claire Shi,
  • Eman Aldamigh,
  • Maha Alandejani and
  • Mahmoud M. El-Halwagi

20 December 2020

Biorefineries provide economic, environmental, and social benefits towards sustainable development. Because of the relatively small size of typical biorefineries compared to oil and gas processes, it is necessary to evaluate the options of decentrali...

  • Feature Paper
  • Review
  • Open Access
16 Citations
7,459 Views
32 Pages

Iron-Based Catalytically Active Complexes in Preparation of Functional Materials

  • Katarzyna Rydel-Ciszek,
  • Tomasz Pacześniak,
  • Izabela Zaborniak,
  • Paweł Błoniarz,
  • Karolina Surmacz,
  • Andrzej Sobkowiak and
  • Paweł Chmielarz

20 December 2020

Iron complexes are particularly interesting as catalyst systems over the other transition metals (including noble metals) due to iron’s high natural abundance and mediation in important biological processes, therefore making them non-toxic, cos...

  • Feature Paper
  • Review
  • Open Access
18 Citations
4,932 Views
21 Pages

19 December 2020

Nanotechnology refers to technologies using at least one nanometric dimension. Most advances have been in the field of nanomaterials used in research and industry. The vast potential of polymeric nanocomposites for advanced materials and applications...

  • Article
  • Open Access
55 Citations
12,177 Views
16 Pages

The Effects of Biofertilizers on Growth, Soil Fertility, and Nutrients Uptake of Oil Palm (Elaeis Guineensis) under Greenhouse Conditions

  • Aaronn Avit Ajeng,
  • Rosazlin Abdullah,
  • Marlinda Abdul Malek,
  • Kit Wayne Chew,
  • Yeek-Chia Ho,
  • Tau Chuan Ling,
  • Beng Fye Lau and
  • Pau Loke Show

19 December 2020

The full dependency on chemical fertilizers in oil palm plantation poses an enormous threat to the ecosystem through the degradation of soil and water quality through leaching to the groundwater and contaminating the river. A greenhouse study was con...

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Processes - ISSN 2227-9717