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Designs, Volume 7, Issue 1

February 2023 - 33 articles

Cover Story: As with most engine components, the intake manifold requires a multi-objective approach right from its design phase. Apart from its geometry that plays a key role in air–fuel mixture formation and the control of organized charge motion such as tumble, it also needs to fulfill demanding strength requirements as well as thermal characteristics. Applying optical methods to study specific phenomena can provide valuable insight into ways of improving overall performance. An optically accessible manifold presents a unique design challenge, as it needs to not only fulfill its primary role but also maximize the use of various techniques. Validation of its structural integrity needs to be coupled with a procedure that can evaluate the overall compliance with component performance requirements. View this paper
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Articles (33)

  • Article
  • Open Access
4 Citations
6,823 Views
39 Pages

High-Fidelity Dynamics Modelling for the Design of a High-Altitude Supersonic Sounding Rocket

  • Benjamin Milne,
  • Sean Samson,
  • Robert Carrese,
  • Alessandro Gardi and
  • Roberto Sabatini

15 February 2023

The accurate modelling and simulation of vehicle dynamics is a fundamental prerequisite for the design and experimental flight testing of aerospace vehicles. In the case of high-altitude supersonic sounding rockets, it is critically important to prod...

  • Article
  • Open Access
11 Citations
4,036 Views
22 Pages

Designing Power Transformer Using Particle Swarm Optimization with Respect to Transformer Noise, Weight, and Losses

  • Wahyudi Budi Pramono,
  • Fransisco Danang Wijaya,
  • Sasongko Pramono Hadi,
  • Moh. Slamet Wahyudi and
  • Agus Indarto

10 February 2023

The increased use of electrical energy will encourage the installation of more power transformers in residential areas as well as in industrial areas. Each power transformer, in its operation, will generate noise that can interfere with comfort and,...

  • Article
  • Open Access
4 Citations
7,006 Views
26 Pages

10 February 2023

The findings of several research studies conducted with university students that aimed to investigate the quantitative relationship between psychological distress, sleep difficulties, and homesickness have shown a significant interrelation among thos...

  • Article
  • Open Access
3 Citations
2,669 Views
25 Pages

Flow Field Explorations in a Boundary Layer Pump Rotor for Improving 1D Design Codes

  • Rosa Freschi,
  • Agapi Bakogianni,
  • David John Rajendran,
  • Eduardo Anselmi Palma,
  • Lorenzo Talluri and
  • Ioannis Roumeliotis

3 February 2023

Boundary layer pumps, although attractive due to their compactness, robustness and multi-fluid and phase-handling capability, have been reported to have low experimental efficiencies despite optimistic predictions from analytical models. A lower-orde...

  • Article
  • Open Access
3 Citations
5,431 Views
38 Pages

2 February 2023

The aim of this work is to implement an innovative parameterization and fitting procedure for the definition of a mathematical model useful to describe a wide range of airfoils. They are partitioned into three sections: central box, leading edge, and...

  • Article
  • Open Access
7 Citations
3,240 Views
15 Pages

1 February 2023

Public spaces and green areas have been proven to influence people’s mental and physical health, thermal comfort being one of the main indicators. The growing trend of an ageing population globally led this research to analyse the outdoor therm...

  • Article
  • Open Access
14 Citations
3,228 Views
12 Pages

Fabrication of Graphene Oxide-Decorated Mesoporous NiFe2O4 as an Electrocatalyst in the Hydrogen Gas Evolution Reaction

  • Afiten R. Sanjaya,
  • Salsabila Amanda,
  • Tribidasari A. Ivandini,
  • Faisal Abnisa,
  • Grandprix T. M. Kadja,
  • Uji Pratomo,
  • Yatimah Alias and
  • Munawar Khalil

1 February 2023

An electrocatalyst for the hydrogen evolution reaction has been successfully synthesized from graphene oxide (GO) decorated with the mesoporous NiFe2O4. A high catalytic activity performance was reached by using the GCE surface as a conductor, and th...

  • Article
  • Open Access
5 Citations
2,625 Views
20 Pages

1 February 2023

The performance of electric vehicle (EV) drivetrains depends on the power capability of individual components, including the battery pack, motor drive, and electric motor. To ensure safety, maximum power must be limited by considering the constraint...

  • Article
  • Open Access
2 Citations
4,029 Views
13 Pages

1 February 2023

The intake manifold and its components play a key role in the proper formation of air–fuel mixtures suitable for correct engine operation. In this article, starting from the original intake manifold design fitted to an optically accessible spar...

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Designs - ISSN 2411-9660