What is the balloon: description, features, photos

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2020-03-28 20:20:16

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The balloons were the first systems for collecting information, surveillance and reconnaissance, followed by airships, unmanned aerial vehicles, balloons. With the development of aviation, these basic, less controlled platforms have been used for recreational purposes.

Revival of the forgotten

Over the past 30 years, especially in recent years when the level of security threats and technologies has increased significantly, and the need for round-the-clock surveillance systems has increased, balloons filled with helium, has received a second birth. They are increasingly recognized as useful tools of long-term continuous monitoring because they do not have the main drawback of the aircraft – restrictions on fuel and flight time. They can also provide the visual deterrence of illegal activities, as reduced only for refueling and maintenance.

With the development of materials and technologies for reliability, safety, size and capacity of the balloons increased. They can carry a useful load – from communication devices to radio, radar and electronic intelligence, radar, cameras day and night vision with greater reliability, range, quality and resolution. So what is a balloon? Photos of the aircraft listed in the article.

what is a balloon

What is aerostat: definition

The Name comes from 2 Greek words: ἀήρ (air) and στατός (standing). Thus, the balloon – aircraft lighter than air, lifting force which provides carrier gas such as helium or hydrogen. All known operating systems as their “lifting” gas today use helium. It is non-flammable, therefore safer than hydrogen. In addition, the balloons vary greatly in quality, durability, complexity, size and capacity, the possibility of transferring payload, range, cost, etc. Given the presence of many platforms and components, then discuss their main differences.

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Operation of the balloon requires helium content regulation, power and communications platform, as well as binding, run and support the base station, payload control, the actual control activities, communication or information gathering, depending on the task.

unmanned balloon

System Components

To fully understand what the balloon will try to describe it a few basic parameters. Most systems include the following components:

  • The balloon;
  • "air block” – operational payload that represents sensors or devices providing the execution of tasks (monitoring, detection, communication, etc.), plus hardware, communications and power supply needed to run it;
  • Ground station anchor that holds the balloon in place;
  • Station, in which ground operators control unit and payload;
  • Helium and accessories to maintain the system over time.

Form

The Balloons can have a different aerodynamic shape: round, square, gourd, kite or fish. Each of them has its advantages and disadvantages.

what is the definition of balloon

The Size and scope

Knowing what a balloon is not difficult to guess that its size and therefore the relative capacity determine the ability of the device to raise the platform, cables, accessories and payload operational height. Value has a value of – larger systems have a greater carrying capacity, longer stay in the air at high altitudes and in more challenging weather conditions. As expected, this increased power requires heavier and more complex support structures, a greater number of staff, energy and helium.

Capacity

This is the weight that the balloon can lift in addition to my own, and wire rope. Carrying capacity refers to operating the payload (e.g. camera) and auxiliary systems (power, communications, computers, lighting, etc.).

balloon aircraft

Operating altitude

Working height – is the height above the earth's surface, where it is assumed the operation of the system for transporting a given payload weight. The rise and thus the working height can be changed according to external conditions such as air pressure, and operators can raise the balloon at different heights within acceptable limits.

Binding

Tethered cable – this is a special rope for holding and connection of the balloon with the ground unit. The air part can be permanently attached to a stationary or mobile basis (for example, to the vehicle) or to detach, turning into Autonomous aircraft.

When binding a rope air unit shall be equipped with an independent power source (battery) and a wireless connection, so these fixtures are used in small systems with low power consumption. In the case of cable power supply and communication with the earthare provided to them.

balloon aircraft lighter than air

Energy

The Aerostat systems usually require power from the mains or the generator. The ground power unit should ensure that the operator is able to raise, secure and manage the aircraft and to liaise with the on-Board payload.

In the unbound and “dead” the attached air unit is provided with onboard power source (battery). Battery weight cuts payload. “Alive” binding provides electricity directly by cable. This allows the balloon to stay in the air longer and carry a greater operational load, but the balloon system and the services are more expensive.

Connectivity

What is a balloon without a system of communication? It is necessary to transfer the data from the air unit and the payload to the ground station and operator commands.

In untethered balloons that function like unmanned aerial vehicles (UAVs), and “dead” - based management platform and on-Board equipment and data transfer operators is performed using a wireless connection. Such systems consume more power and thus limit the time and range, and the weight of the communication components can reduce the weight of the payload.

In “live” linked systems continuous cable connection between the aerostat and the ground prolongs the time spent in the air and provides a more secure connection.

what is the balloon photo

Payload

Balloons – aircraft, which can carry a variety of payloads. In most cases, this electron-optical devices (camera day and night vision) or telecommunications equipment. Large aerostatic system with a constant power supply can carry more heavy and dimensional loads for longer periods of time. The range depends on the characteristics of the balloon platform, the lifting height and payload. The same system can have different capacity depending on the structure of the platform and the station.

Mobility

The Aerostat systems can fly (like a UAV) or be tied to the land. The latter are characterized by a degree of mobility.

Flying balloons function like unmanned aerial vehicles. Therefore, face similar restrictions on flight time, range and payload, as well as specific challenges, such as airspeed, loss of helium, and security.

Large balloons typically are pegged to the station, as for the operation they typically require a heavy ground unit that provides plenty of power, helium and communication. Before transportation they understand.

The Balloons are smaller in size can be referenced to a mobile ground units that include anchor, heavy enough for mounting the apparatus, but light enough to tow field vehicles. Such systems fly lower and have less capacity.

What is a balloon: limitations and security

The machine is influenced by wind, air pressure and rain. Quality balloon system can stay in the air longer and under more severe weather conditions, providing quality data transmission, but it will be more expensive and may require special training and safety measures.

Any system that works day and night also requires shift work of operators to detect and respond to violations.

For filling with helium it is necessary that the balloon was fixed, but was not in the air. A constant supply of helium is critical to the operation of the apparatus, therefore, the gas should be part of the long-term estimated operating costs.


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UK: https://tostpost.com/uk/b-znes/40020-scho-take-aerostat-opis-osoblivost-foto.html

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Alin Trodden - author of the article, editor
"Hi, I'm Alin Trodden. I write texts, read books, and look for impressions. And I'm not bad at telling you about it. I am always happy to participate in interesting projects."

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