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Topic Review
Reggiane Re.2005
The Reggiane Re.2005 Sagittario (English: Archer, Sagittarius) was an Italian monoplane fighter and fighter-bomber produced for the Regia Aeronautica during the later years of World War II. Along with the Macchi C.202/C.205 and Fiat G.55, the Reggiane Re.2005 was one of the three Serie 5 Italian fighters. The lines of the fuselage were aerodynamically efficient, and the design was intended to exploit the famous Daimler-Benz DB 605 engine. The only drawback was a certain structural weakness in the rear section of the fuselage. Only 48 examples had been delivered before the Armistice, and these fighters took part in the defence of Naples, Rome and Sicily, with the survivors battling above the crumbling ruins of Berlin, in German insignia. British ace and military observer, Group Captain Duncan Smith, DSO DFC, said that "The Re.2005 was altogether a superb, potent aeroplane".
  • 842
  • 28 Oct 2022
Biography
Md. Anowar Hossain
Engr. Md. Anowar Hossain is a specialized textile engineer (textile coloration & technical textiles), consultant (textile engineering), Professor (textile engineering), color philosopher, scientist, motivational speaker and a writer.                                                                                          Figure 1. Sketch of academi
  • 842
  • 15 Sep 2023
Topic Review
Subtractive Shading Envelope's Computational Workflow
This study proposes a voxel-based design approach based on the subtractive mechanism of shading envelopes and attributes information of point cloud data in tropical climates. In particular, the proposed method evaluates a volumetric sample of new buildings based on predefined shading performance criteria. With the support of geometric and radiometric information stored in point cloud such as position (XYZ), color (RGB), and reflection intensity (I), an integrated computational workflow between passive design strategy and 3D scanning technology is developed. It aims not only to compensate for some pertinent aspects of the current 3D site modelling such as vegetation and surrounding buildings but also to investigate surface characteristics of existing contexts such as visible sun vectors and material properties. These aspects are relevant for conducting a comprehensively environmental simulation while averting negative microclimatic impacts when locating the new building into the existing context. Ultimately, this study may support architects for taking decision-making in conceptual design stage based on the real contextual conditions.
  • 841
  • 18 Aug 2020
Topic Review
Evolution of Microgrid Technology
Microgrids are energy systems that can operate independently or in conjunction with the main electricity grid. There are numerous subdomains of microgrid technology research, each of which focuses on a distinct component of microgrid design, operation, and management. Energy storage, control, power electronics and power quality, renewable energy integration, stability, storage, protection and cybersecurity, regulation and distribution, and economic and business models are some of the major areas of microgrid technology study.
  • 840
  • 06 May 2023
Topic Review
Ag-Decorated/Loaded Gas Sensors
Ag is one of the cheapest noble metals which is extensively used in the decoration or doping of semiconducting metal oxides (SMOs) to boost the overall gas-sensing performances of nanostructured SMOs. This is due to the electronic and chemical sensitization of Ag nanoparticles. 
  • 840
  • 27 Oct 2021
Topic Review
Dornier Do J
The Dornier Do J Wal ("whale") is a twin-engine German flying boat of the 1920s designed by Dornier Flugzeugwerke. The Do J was designated the Do 16 by the Reich Air Ministry (RLM) under its aircraft designation system of 1933.
  • 840
  • 11 Oct 2022
Topic Review
Heckler & Koch HK69A1
The HK69A1 is a 40 mm grenade launcher developed and produced by the German arms manufacturer Heckler & Koch (H&K). The weapon was designed to engage enemy troops and strongpoints out to a distance of 350 m; it can also be used to deploy smoke grenades and illumination flares.
  • 840
  • 05 Nov 2022
Topic Review
Preparation of Nanocrystal technology for Aqueous Insoluble Drugs
The low solubility and bioavailability of aqueous insoluble drugs are critical challenges in the field of pharmaceuticals that need to be overcome. Nanocrystal technology, a novel pharmacological route to address the poor aqueous solubility problem of many poorly soluble drugs, has demonstrated great potential for industrial applications and developments.
  • 840
  • 09 Sep 2022
Topic Review
Aluminium friction-stir welding with nanoparticles
Welding is a widely used and critical joining process in fabrication industries and consumes a lot of energy and materials. Friction stir welding process is most commonly and emerging process in solid state processes. In FSW, heat for welding is generated with pressure applied between the rotational tool and base metal, leading to plastic deformation without melting of the base metal and without change in the primary microstructure of the base metal. Aluminium and its alloys have been seen to be a viable and, in some cases, superior alternative to steel. the FSW process occurs below the melting temperature of the Al alloys, resulting in avoidance of metal solidification defects, less deformation, porosity and cracks, and improved mechanical integrity of the joints. For improving mechanical properties, nanoparticles have commonly been used as reinforcement particles, as their size leads to uniform dispersion, grain refinement and reducing joint flaws.
  • 839
  • 20 Apr 2021
Topic Review
Benefits and Challenges for Electric Vehicles
Electric vehicles (EVs) are gaining popularity as they are independent of oil and do not produce greenhouse gases. For better public transportation services, transportation in a smart city should be hassle-free, environmentally friendly, and comprise networked and shared vehicles. The electric vehicle (EV), which also solves the world’s energy problems, is the finest option.
  • 838
  • 31 May 2023
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