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Aerospace, Volume 5, Issue 3

September 2018 - 32 articles

Cover Story: As a result of pursuing high efficiency, Cooling technology has become critical in modern gas turbine design. To protect the most vulnerable part of the turbine from thermal damage, various cooling schemes has been tested in the blade tip region in the past few decades. The present article summarizes the most recent progresses in this area, which were reported by researchers all around the world, provides a good insight of the tip cooling characteristics, and exhibits the frontier of research directions for the future. View this paper.
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Articles (32)

  • Article
  • Open Access
12 Citations
7,236 Views
23 Pages

Leading-Edge Roughness Affecting Diamond-Wing Aerodynamic Characteristics

  • Andrei Buzica,
  • Lisa Debschütz,
  • Florian Knoth and
  • Christian Breitsamter

19 September 2018

Diamond wing configurations for low signature vehicles have been studied in recent years. Yet, despite numerous research on highly swept, sharp edged wings, little research on aerodynamics of semi-slender wings with blunt leading-edges exists. This p...

  • Article
  • Open Access
22 Citations
9,553 Views
17 Pages

10 September 2018

Free vibration (or eigenvalue analysis) is a prerequisite for aeroelastic analysis. For divergence analysis, slope influence coefficients (rotation at point i due to unit load at point j) are calculated using free vibration mode shapes and correspond...

  • Article
  • Open Access
6 Citations
5,990 Views
10 Pages

Aerodynamic Design of a Laval Nozzle for Real Gas Using Hodograph Method

  • Aleksandr Chikitkin,
  • Mikhail Petrov,
  • Roman Dushkov and
  • Ernest Shifrin

10 September 2018

We propose an approach for the design of the subsonic part of plane and axisymmetric Laval nozzles for real gases. The proposed approach is based on the hodograph method and allows one to solve the inverse design problem directly. Real gas effects ar...

  • Article
  • Open Access
13 Citations
7,927 Views
21 Pages

Fast and Robust Flight Altitude Estimation of Multirotor UAVs in Dynamic Unstructured Environments Using 3D Point Cloud Sensors

  • Hriday Bavle,
  • Jose Luis Sanchez-Lopez,
  • Paloma De la Puente,
  • Alejandro Rodriguez-Ramos,
  • Carlos Sampedro and
  • Pascual Campoy

6 September 2018

This paper presents a fast and robust approach for estimating the flight altitude of multirotor Unmanned Aerial Vehicles (UAVs) using 3D point cloud sensors in cluttered, unstructured, and dynamic indoor environments. The objective is to present a fl...

  • Article
  • Open Access
33 Citations
8,882 Views
12 Pages

2 September 2018

Ramie fabric-reinforced thermoset polylactic acid (PLA) composites were prepared by using heat pressing technology. Fabrics were treated with alkali, silane, and alkali–silane respectively, expecting an improvement of the interface between the fabric...

  • Article
  • Open Access
14 Citations
15,877 Views
27 Pages

1 September 2018

The conceptual aircraft design and its integration with a combined cycle engine for hypersonic cruise at Mach 8 is documented in this paper. The paper describes the process taken to develop a hypersonic aircraft from a conceptual approach. The discus...

  • Article
  • Open Access
38 Citations
14,805 Views
24 Pages

1 September 2018

A method is presented to model the incompressible, attached, unsteady lift and pitching moment acting on a thin three-dimensional wing in the time domain. The model is based on the combination of Wagner theory and lifting line theory through the unst...

  • Review
  • Open Access
23 Citations
16,028 Views
32 Pages

This article provides an overview of gas turbine blade tip external cooling technologies. It is not the intention to comprehensively review all the publications from past to present. Instead, selected reports, which represent the most recent progress...

  • Article
  • Open Access
6 Citations
7,279 Views
20 Pages

Changes in the amount and the distribution of mean and turbulent quantities in the free shear layer wake of a 2D National Advisory Committee for Aeronautics (NACA) 0012 airfoil and an AR 4 NACA 0012 wing with passive segmented rigid trailing edge (TE...

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Aerospace - ISSN 2226-4310