Product Details
Reliable Choice Of 15℃ PCM For Military Aviation - The Elite Guard
Of Military Flight Resistant To Extreme Conditions
The working principle of phase change materials:
- When the ambient temperature is lower than 15 ° C, 15 ° C military
aviation phase change materials are in solid state.
- As the ambient temperature gradually rises, when it reaches about
15 ° C, the material begins to undergo solid-liquid phase change,
from solid to liquid.
- In this process, the material will absorb a lot of heat, storing
the heat of the surrounding environment and playing a cooling role.
- On the contrary, when the ambient temperature is reduced to less
than 15 ° C, the material will gradually change from liquid to
solid state, and at the same time release the previously stored
heat, playing a heat preservation effect.
Characteristics of phase change materials:
1. Physical properties
- In the solid state, the material usually has a certain hardness and
strength, and can withstand a certain amount of mechanical pressure
and impact.
- During the flight of the aircraft, it may be subjected to
mechanical stress such as vibration and turbulence, and the
physical properties of the material ensure that it will not be
easily damaged in this environment.
- In appearance, according to the specific application needs and
processing technology, the material can be presented in different
forms, such as flake, granular, block, etc., in order to facilitate
installation and use in different parts of the aircraft.
2. Chemical properties
- Chemically stable, with good corrosion resistance and oxidation
resistance.
- In the use of military aircraft in the environment, may be exposed
to a variety of chemical substances, such as fuel, lubricating oil,
hydraulic oil, etc., the chemical properties of the material to
ensure that it will not react with these substances, thereby
affecting its performance and service life.
- At the same time, the oxidation resistance is enough to ensure that
the material will not be oxidized during long-term use.
Common application background:
When the following situations occur, the addition of phase change
materials can well prevent or solve related problems.
1. Avionics temperature control
- In modern military aircraft, electronics are highly integrated and
powerful, generating a lot of heat.
- At the same time, when the aircraft flies at different altitudes,
the external environmental temperature changes dramatically, such
as at low altitudes may be in a higher ambient temperature, and at
high altitudes may face extremely low temperatures.
- These factors put forward strict requirements for the temperature
stability of electronic equipment.
2. Aeronautical power system thermal management
- Power systems such as the engines of military aircraft generate
extremely high heat during operation, and the performance of the
engines is very sensitive to temperature.
- Excessive temperatures can lead to thermal fatigue, increased wear,
and even failure of engine components.
3. Aviation cabin environment regulation
- In order to provide a comfortable working environment for the
pilot, the temperature in the cockpit needs to be precisely
controlled.
- At the same time, the military aircraft cabin also needs to
consider the emergency temperature adjustment ability in special
circumstances (such as damage to the canopy, etc.).