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Designs, Volume 2, Issue 3

2018 September - 15 articles

Cover Story: The Working Space research project led to the development an innovative, modular and prefabricated timber construction system specifically adapted to the vertical extension of office buildings. The wooden components are all adjustable to the different static systems and structural grids of existing buildings. The envelope is based on the principles of bioclimatic architecture and offers large surfaces dedicated to photovoltaic energy production and urban biodiversity. Following the integrated design phase, an experimental prototype was recently constructed in Lausanne, Switzerland. View the paper here
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Articles (15)

  • Article
  • Open Access
7 Citations
4,507 Views
17 Pages

Financial and Energetic Optimization of Greek Buildings Insulation

  • Georgios Mitsopoulos,
  • Evangelos Bellos and
  • Christos Tzivanidis

17 September 2018

The most important parameter in the design of the building envelope is the insulation thickness, because it dramatically influences the heating and cooling loads. The objective of this study is the investigation of different insulation scenarios for...

  • Article
  • Open Access
40 Citations
10,148 Views
22 Pages

PV Microgrid Design for Rural Electrification

  • Sivapriya Mothilal Bhagavathy and
  • Gobind Pillai

12 September 2018

There are high numbers of remote villages that still need electrification in some countries. Extension of the central electrical power network to these villages is not viable owing to the high costs and power losses involved. Isolated power systems s...

  • Article
  • Open Access
9 Citations
4,879 Views
9 Pages

8 September 2018

It is well known that the major constraints to the efficiency of photovoltaic devices come from the generation of heat. In this context, thermoelectric generators have been proposed as a viable heat recovery solution, leading to an increase of the ov...

  • Article
  • Open Access
2 Citations
3,186 Views
12 Pages

20 August 2018

Concerning the robust model predictive control (MPC) for constrained systems with polytopic model characterization, some approaches have already been given in the literature. One famous approach is an off-line MPC, which off-line finds a state-feedba...

  • Article
  • Open Access
17 Citations
11,668 Views
14 Pages

8 August 2018

Most European cities are facing urban densification issues. In this context, a solution to create usable spaces without additional pressure on land consists in the vertical extension of existing buildings. Given their abundance in the building stock,...

  • Article
  • Open Access
4 Citations
5,654 Views
13 Pages

Design and Fabrication of Absorptive/Reflective Crossed CPC PV/T System

  • Muhsin Aykapadathu,
  • Mehdi Nazarinia and
  • Nazmi Sellami

6 August 2018

A crossed compound parabolic concentrator (CCPC) is a non-imaging concentrator which is a modified form of a circular 3D compound parabolic concentrator (CPC) obtained by orthogonal intersection of two 2D CPCs that have an optical efficiency in line...

  • Article
  • Open Access
73 Citations
6,400 Views
16 Pages

1 August 2018

This paper presents the contemporary metaheuristic optimization algorithm named the Spotted Hyena Optimizer (SHO). The proposed technique is based on the law of gravitation and simulates the social behavior of spotted hyenas. The three basic steps of...

  • Article
  • Open Access
10 Citations
5,214 Views
13 Pages

30 July 2018

A crucial step in the biomimicry process is the search and identification of biological models relevant to the design challenge. Anecdotal observations from case studies in authentic business contexts, as well as emerging literature on biomimicry met...

  • Article
  • Open Access
4 Citations
6,337 Views
13 Pages

The Design of Net-Zero-Energy Affordable Housing in Philadelphia

  • Gulbin Ozcan-Deniz,
  • Robert Fryer and
  • Ana De Castro Amorim Ferreira

23 July 2018

Sustainable buildings are often considered expensive alternatives to conventional designs. However, a decline in costs associated with materials, technology, labor and whole building approaches make green homes realistic to construct even within low-...

  • Article
  • Open Access
11 Citations
9,346 Views
10 Pages

A Low-Cost Temperature-Controlled Chamber Fabricated for Materials Testing

  • Sabastine Chinedu Ezike,
  • Aderemi Babatunde Alabi,
  • Amarachukwu Nneka Ossai and
  • Adebayo Olaniyi Aina

22 July 2018

This paper presents a low-cost temperature-controlled chamber based on the natural radiation principle. The temperature-controlled chamber assembled using a 1.0 mm thick aluminum sheet equipped with expanded polystyrene lagging material, temperature...

  • Article
  • Open Access
7 Citations
4,710 Views
23 Pages

16 July 2018

The objective of this work is the investigation of a solar heat industry process with parabolic trough solar collectors. The analysis is conducted for the climate conditions of Athens (Greece) and for five load temperature levels (100 °C, 150 &de...

  • Article
  • Open Access
3 Citations
4,594 Views
21 Pages

The categorization of cell culture chiefly includes two aspects; one is the dimensionality and another regards the dynamicity. Referring to knowledge of “engineering system evolution”, 2D toward 3D cell culture follows the direction of ev...

  • Article
  • Open Access
3,398 Views
16 Pages

Automated Crude Constituent Extractor for Partitioning of Refined Crude and Extraction and Distribution of Individual Constituents

  • Godall Rohi,
  • Warrior Ofualagba,
  • Esere Ejofodomi,
  • O’tega Ejofodomi,
  • Godswill Ofualagba and
  • El Elyon Tsidkenu

30 June 2018

The current extraction process in the Oil and Gas Industry today takes 10–32 h for 2 tonnes of refined crude, incurs 16–25% of the total volume spill, has an extraction efficiency of 50–74%, experiences $820—$4250 CAD of reven...

  • Article
  • Open Access
29 Citations
21,098 Views
17 Pages

21 June 2018

The paper presents a historical overview of the developments of aerodynamic design methods for low-speed axial-flow fans. This historical overview starts from the first fan applications, dating back to the 16th century, and arrives to the modern time...

  • Article
  • Open Access
2 Citations
6,976 Views
22 Pages

Design and Calibration of a 3D-Printed Cup-Vane Wireless Sensor Node

  • Samuel Kang’iri,
  • Christian Gradl,
  • Jean Byiringiro and
  • Harrison Ngetha

21 June 2018

There has been constant growth in the wind energy market. A study conducted in January 2018 by Global Market Insights Inc. predicted that the global wind energy market will surpass USD 170 billion by 2024. Before installation of a wind turbine, wind...

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Designs - ISSN 2411-9660