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Sustainability, Volume 12, Issue 21

November-1 2020 - 549 articles

Cover Story: Tidal stream turbines can harness the kinetic energy of flood and ebb currents. Avoiding interactions of turbine wakes and rotors in tidal arrays may be difficult; hence, tidal array design aims at minimizing the resulting power losses. These interactions and power losses are thoroughly analyzed, for the first time, using Navier–Stokes computational fluid dynamics of two model array flume tank experiments using up to four turbines, obtaining overall good agreement of simulations and experiments. The study’s novel finding is that flow acceleration between the wakes of two adjacent turbines can increase the recovery rate of the wake shed by an upstream centrally located turbine and thus reduce power losses of a downstream centrally located turbine. It is also found that there exists an optimal lateral spacing of the two adjacent turbines, which maximizes the power of the downstream turbine. View this paper
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Articles (549)

  • Article
  • Open Access
15 Citations
7,309 Views
18 Pages

Business Model as a Base for Building Firms’ Competitiveness

  • Tihana Koprivnjak and
  • Sunčica Oberman Peterka

9 November 2020

Designing and creating a business model is crucial for a successful firm’s operation in today’s market in a complex and changing environment. A business model is the factor that differentiates one firm from another—it defines the di...

  • Article
  • Open Access
3 Citations
3,360 Views
18 Pages

9 November 2020

The study aims to explore a conceptual model for the sustainable reciprocity relationships in sport-based initiatives and empirically test the model and its underlying mechanism in the context of a real sport-based national initiative. Adapting a sem...

  • Review
  • Open Access
28 Citations
7,836 Views
20 Pages

The First Two Decades of Smart City Research from a Risk Perspective

  • Shadi Shayan,
  • Ki Pyung Kim,
  • Tony Ma and
  • Tan Hai Dang Nguyen

9 November 2020

Although they offer major advantages, smart cities present unprecedented risks and challenges. There are abundant discrete studies on risks related to smart cities; however, such risks have not been thoroughly understood to date. This paper is a syst...

  • Article
  • Open Access
4 Citations
5,650 Views
17 Pages

9 November 2020

Social responsibility is a natural obligation of cooperatives, and fulfilling social responsibility is of great meaning to the sustainable development of cooperatives and society. This article constructs a “life cycle-cooperative social respons...

  • Article
  • Open Access
72 Citations
11,400 Views
27 Pages

9 November 2020

Rapidly increasing applications of Digitalization and Artificial Intelligence (D&AI) are already impacting our day-to-day life substantially, along with social and economic prospects worldwide. The accelerating utilization of D&AI has stirred...

  • Article
  • Open Access
23 Citations
4,017 Views
12 Pages

Comparative Analysis of Data Detection Techniques for 5G Massive MIMO Systems

  • Mahmoud A. Albreem,
  • Arun Kumar,
  • Mohammed H. Alsharif,
  • Imran Khan and
  • Bong Jun Choi

9 November 2020

Massive multiple-input multiple-output (MIMO) is a backbone technology in the fifth-generation (5G) and beyond 5G (B5G) networks. It enhances performance gain, energy efficiency, and spectral efficiency. Unfortunately, a massive number of antennas ne...

  • Article
  • Open Access
30 Citations
5,398 Views
17 Pages

Outdoor Thermal Comfort at a University Campus: Studies from Personal and Long-Term Thermal History Perspectives

  • Jiao Xue,
  • Xiao Hu,
  • Shu Nuke Sani,
  • Yuanyuan Wu,
  • Xinyu Li,
  • Liang Chai and
  • Dayi Lai

9 November 2020

Thermally comfortable outdoor spaces have contributed to high-quality urban living. In order to provide a further understanding of the influences of gender and long-term thermal history on outdoor thermal comfort, this study conducted field surveys a...

  • Article
  • Open Access
6 Citations
5,162 Views
21 Pages

9 November 2020

Recently, rapid urban development and changes in the national defense environment have required civil–military coexistence plans. In particular, this is an urgent issue for ammunition magazines, which have the widest range of military protectio...

  • Article
  • Open Access
29 Citations
7,318 Views
27 Pages

9 November 2020

The concept of Smart Tourism is rapidly developing alongside Smart Cities, with increasing numbers of ICT solutions being applied for the convenience of travelers as well as for gathering information, which has become a valuable resource. The vast pr...

  • Article
  • Open Access
4 Citations
3,577 Views
15 Pages

Analysis of Longitudinal Timber Beam Joints Loaded with Simple Bending

  • Kristyna Vavrusova,
  • Antonin Lokaj,
  • David Mikolasek and
  • Oldrich Sucharda

9 November 2020

The joints in timber structures are often the decisive factor in determining the load-bearing capacity, rigidity, sustainability, and durability of timber structures. Compared with the fasteners used for steel and concrete structures, fasteners for t...

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Sustainability - ISSN 2071-1050