2013
Aerospace & Defense

The design presented is based on the continued need for providing structural elements in space at optimum cost, appropriate utilization and reutilization. This concept describes a simple flanged beam with interlocking edges. When placed together, the geometry results in a cylindrical structure that, as shown in the drawings, provides the main section of an unmanned space craft.

This cylindrical structure is topped with an instrument and aerodynamic cone and fitted to a propulsion unit at its base. Once at the prescribed destination, the cone and propulsion units are removed. The compression bands are separated from the cylinder and the individual flanged beams are removed from the cylinder for various space structures that will be a part of space development, ...

Problem: It takes a lot of manpower to search an entire nation for weapons of mass destruction, as we learned in the Iraq War.

Solution: Have a swarm of robots lend some extra hands. Imagine a chassis mounted with a Geiger counter (for nuclear weapons), chemical residue sensor (for chemical weapons), pathogen sensor (for biological weapons), GPS receiver, wireless communication, single-chip computer, and solar panel. As a robot sweeps a designated region (so as to not overlap with what the other robots are doing), the Geiger counter, chemical residue sensor, and pathogen sensor will wirelessly communicate their readings to a central computer (along with the location of each reading provided by the GPS receiver).

The solar panel allows the ...

Ducted Fans have been used in a wide range of vertical take-off and landing (VTOL) aerospace vehicles, including manned and unmanned systems. This paper focuses on performance improvement of ducted fans in forward flight applied to VTOL UAV and Tiltrotor aerial vehicles.

The concept proposed is called Ring Wing Ducted Fan (RW-DF). It is the combination of two concepts, the ducted fan and the ring wing technology.

THE CHALLENGE
Ducted fans have several advantages compared to open rotors and fixed wing airplanes. They provide higher thrust to power ratio, improved safety and lower noise levels for a given diameter when compared to open rotors. Although ducted fans provide good performance in many vertical take-off and landing (VTOL) applications, there are ...

With specimen of sea ships it is necessary to apply in planes modular construction of the passenger cabin. Everyone should have a module castle enabling the hermetic sublation from the rest of the plane. In case of the breakdown of the plane pyrotechnic cargoes should separate the module from the plane. The module should land safely with ...

This project focuses primarily on the Sailfish Aerodynamics. The idea is to use the shape of the sailfish in a hybrid energy aircraft. The Sailfish (Istiophorus platypterus) is the fastest fish in the world with a speed of 68 mph (108.8 Km/h). Its body has a unique shape which is the lowest drag producing shape in nature. The conclusion was reached by observing the other high speed fishes - Marlin (50 mph) and Swordfish (60 mph).Conventional passenger aircraft use a round-body fuselage, which reduces the efficiency and causes noise pollution. Though developments in reducing the drag induced by the wing and winglets are extensive, the fuselage is often left out. About 15.54% drag produced by the A-380 is because ...

Introduction:
Robot is a machine to execute different task repeatedly with high precision. Thereby many functions like collecting information and studies about the hazardous sites which is too risky to send human inside. Robots are used in different types like fire fighting robot, metal detecting robot, etc. Humanoids are robots which resembles human joints. Humanoids are nowadays used in industrial purpose, military, research etc.
With the improvement in research and development in robotics, they have started serving the so called three D’s, dull, dirty and dangerous, quite efficiently, thus providing extended standoff and reducing risk of exposure. This makes countries around the world to integrate robotics into defense technology.

Need for robotics in battle field:
With the technology ...

Two-dimensional detector arrays of thermal infrared imagers are expensive, especially at medium and high resolutions. A 10,000 pixel imager costs about $1,600. An 80,000 pixel device costs about $5,500, and an imager with near 3x105 pixels costs about $20,000. Now assume that, instead of the bolometric arrays of present thermal imagers we place a thin, strongly fluorescent film in thermal contact with the infrared-absorbing layer and illuminated from the sides to excite the fluorescence of the film in such a manner that the infrared image focused on it will be converted into a corresponding visible image at the film, ready to be focused on and processed by an inexpensive digital camera. High resolution would no longer be expensive: a ...

The structure of a spacecraft is designed to support the maximum quasi-static loads (accelerations) that it will be subjected to during its launch phase. These loads are a combination of the steady-state static loads and low frequency sinusoidal loads.

Quasi-static loads can be used to dimension the spacecraft, provided the minimum frequency requirements with respect to mode shapes in the launch direction and the lateral direction are fulfilled.

The estimated mass distribution times the quasi-static loads gives the internal loads distribution within the spacecraft structure. These internal loads can be used to obtain the preliminary dimensions of the spacecraft structural elements. In order to verify that this process has been correctly done a test is usually performed.

The standard ...

PRODUCT: SKILL CAPACITY© is a user-customizable, mobile skills assessment and performance evaluation “template” that will provide any DoD/SOF training program, skills evaluation program, etc., with the ability to identify, define and grade tangible fundamental skills (PST), advanced technical/tactical/physical (motor, psycho-motor) skills or the intangible and or, cognitive, learned, subjective/behavioral requirements that instructors observe during training exercises.

RESULTS: The results of this disparate data collection activity can be stored in a highly secure multi-layered database and used for extensive predictive analytical analyses and data mining to aid in reducing risk associated with SOF candidate selection/evaluations, and contribute to specific accession/performance goals related to reducing attrition. i.e., individual and group comparative analyses, progression/regression analyses, and trend or predictive modeling scales. Substantial ...

SkyAuto:
SkyAuto will be a two-seater VTOL [Vertical Take Off &Landing Aircraft]. Having three small jet engines mounted at three sides of the VTOL, it will fly using "auto-pilot." My aim is to make it for defense transportation with enhanced security and advanced navigation.

Design Description:
The three small jet engines will be fit at the sides of the craft.The cockpit will be like an "Egg" shaped shelter which will be fully made of glass except the basement. While the three jet engines make thrust, the whole thrustwill coincide at centre of gravity of the VTOL. Instead of using wings, my aim to adjust the direction of jet engine which is fit back-side of the VTOL to chage direction. ...

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