The 25°C Military Aviation PCM Enables Precise And Effective Regulation Of The Temperature Of The Equipment

The 25°C Military Aviation PCM Enables Precise And Effective Regulation Of The Temperature Of The Equipment

Appearance and physical characteristics:

• It generally appears in a more regular form, which may be flaked, granular or blocky, etc., in order to adapt to different installation positions and application needs. The exterior color is usually a specific hue that meets military specifications, which may be dark gray or army green, etc., which needs to meet the visual coordination in aviation equipment on the one hand, and may also have certain camouflage or low visibility requirements on the other hand.
• From the physical properties, it has moderate hardness and good toughness. In military aviation environments, the material needs to withstand various mechanical stresses during aircraft flight, such as vibration, acceleration, etc., so the PCM material needs to be strong enough to prevent cracking or damage.
• Its density has been carefully adjusted to meet the stringent requirements of aviation equipment for lightweight, in order to reduce the overall weight of the aircraft, improve fuel efficiency and flight performance, and ensure that its thermophysical properties are not affected.
• At the same time, it has excellent moisture, water and dust resistance, because in the aviation environment, the material may be exposed to different meteorological conditions and impurities in the air, and good protection performance can ensure that its phase change characteristics and thermal management functions are stable and reliable for a long time.

Thermal Properties:
1. Phase change characteristics

• The phase change temperature is precisely set to 25°C. When the ambient temperature is below 25°C, it is in a relatively stable initial phase, which may be solid or has a specific microstructure. When the temperature rises to 25°C, the material undergoes a rapid phase transition and begins to absorb a large amount of heat, usually from a solid state to a liquid state (or other forms of phase change, such as a change in crystal structure).
• This phase transition process is reversible, and when the temperature drops, it gradually releases the stored heat and returns to its original phase. This allows it to efficiently store and release heat around 25°C, which plays a key role in the temperature regulation of military aviation equipment.
• Its large latent heat of phase change means that it is able to absorb or release large amounts of energy in a relatively small range of temperature changes around 25°C. In military aviation, some key electronic devices, optical instruments and sensors are very sensitive to temperature changes.
• When the ambient temperature of the device is close to 25°C, the PCM material can quickly absorb heat, prevent the device from overheating, and maintain the operation of the device in the appropriate temperature range, ensuring its stable performance and accuracy.
• When the temperature is low, it can release heat, avoiding problems such as performance degradation and difficulty in starting the equipment due to low temperatures. For example, in some of the aircraft's delicate electronics, the 25°C PCM material can effectively prevent circuit failures or signal distortion due to temperature fluctuations.

2. Thermal conductivity

• Its thermal conductivity is in the right range. If the thermal conductivity is too high, it may lead to too fast heat transfer, and the phase change material cannot give full play to its advantages in storing heat, so that the temperature of the equipment changes too drastically, affecting the normal operation of the equipment; If the thermal conductivity is too low, it will affect its efficiency of absorbing and releasing heat, and the temperature of the equipment cannot be adjusted in time and effectively.
• By precisely controlling the thermal conductivity, the material is able to absorb and release heat at the right time, working in tandem with other components of aviation equipment for good thermal management. For example, in some parts of the aircraft, the thermal conductivity needs to be optimally adjusted to the heat dissipation needs of the device and the surrounding environment to ensure that the PCM material can effectively control the temperature without affecting the performance of the device.

Application Advantages:
1. Precise temperature control

• The use of this 25°C PCM material in military aviation equipment enables precise and efficient regulation of the temperature of the equipment. For example, in the avionics compartment of an aircraft, a variety of complex electronic components and systems need to operate at the right temperature to ensure their performance and reliability.
• The 25°C PCM material can absorb or release heat through the phase change process when the temperature is close to 25°C, so that the temperature in the equipment compartment is always kept within a relatively stable range, improving the reliability and service life of the equipment.
• It can effectively reduce equipment failures and misoperation caused by temperature fluctuations, which is essential for ensuring flight safety and mission execution. For example, in an aircraft's flight control system, a stable temperature ensures precise control and responsiveness.

2. Adapt to the complex and changeable flight environment

• Military aircraft experience a variety of complex environments and changes in operating conditions during flight. The 25°C PCM material can adapt to different altitudes, speeds, outside air temperatures, etc. When the aircraft is flying in a high-altitude and low-temperature environment, the PCM material can release the stored heat and prevent the temperature of the equipment from getting too low; And when the aircraft is flying at low altitude and high speed or the temperature of the equipment itself heats up, it can absorb the heat and maintain the temperature of the equipment at about 25°C.
• This adaptive thermal management capability ensures that military aviation equipment can operate normally in a variety of complex flight conditions, improving the aircraft's environmental adaptability and mission execution flexibility. For example, in different combat missions, aircraft may face rapid altitude and speed changes, and the 25°C PCM material is able to respond quickly to temperature changes, providing a stable thermal environment for the device.

3. Improve equipment performance and life

• With precise temperature control, 25°C PCM materials can significantly improve the performance and longevity of military aviation equipment. For some high-precision sensors, communication equipment, etc., stable temperature can ensure its measurement accuracy and signal transmission quality.
• At the same time, a suitable temperature environment can reduce the thermal stress and thermal fatigue inside the equipment, and reduce the aging rate and failure rate of the equipment.
• For example, for some key electronic components on an aircraft, long-term operation at the right temperature can extend their service life by about 20%-30%, reduce the cost of equipment maintenance and replacement, and improve the overall reliability and economy of military aircraft. Moreover, the use of this material can also reduce the reliance on additional cooling equipment, reducing the overall weight and energy consumption of the aircraft.

Application Scenarios:
1. Thermal management of avionics

• In the avionics compartment of military aircraft, a large number of electronic equipment and lines are concentrated. The 25°C PCM material can be installed on the inner walls of equipment compartments, partitions, and housings of electronic devices. When the electronics run hot and the cabin temperature approaches 25°C, it begins to absorb heat, preventing the device from overheating.
• At the same time, when the aircraft flies to a low temperature area or the equipment stops operating and the temperature drops, it can release heat, maintain the temperature stability in the equipment compartment, and protect the electronic equipment from temperature changes.
• For example, for critical electronic systems such as radar systems, communication equipment, and navigation equipment of aircraft, this PCM material can ensure reliable operation in different flight phases and environmental conditions, improving the performance and stability of the equipment.

2. Adjustment of aircraft cockpit environment

• The cabin environment of a military aircraft is critical to the productivity and physical health of pilots. The 25°C PCM material can be applied to the interior materials of the cockpit, such as seats, control panels, bulkheads, etc.
• When the cabin temperature approaches 25°C, it is able to regulate the temperature and provide a comfortable working environment for the pilot. In hot climates, it can absorb heat and reduce cabin temperatures; In cold high-altitude environments, it also releases heat and keeps the cabin warm. In addition, it can reduce the unevenness of the temperature in the cockpit and improve the thermal comfort of the pilot, which in turn improves the pilot's concentration and operational accuracy.
• For example, during long flight missions, a comfortable cockpit environment can reduce pilot fatigue and improve combat effectiveness.

3. Thermal protection of aviation weapon systems

• For the various weapon systems carried by military aircraft, temperature control is critical to the performance and safety of the weapon. The 25°C PCM material can be used for the temperature regulation of the weapon compartment and the thermal protection of the weapon itself.
• When the temperature of a weapon rises during flight due to air friction, chemical reactions, etc., the PCM material absorbs heat to prevent dangerous situations such as explosion or performance degradation caused by overheating of the weapon.
• During the storage and preparation of weapons for launch, it can also maintain the weapons within the appropriate temperature range, ensuring the reliability and combat effectiveness of the weapons.
• For example, for weapons such as missiles and bombs, this PCM material can improve its storage life and combat performance in different environments, ensuring that the weapon can accurately hit the target and exert maximum power at critical moments.

First aid measures:

• In case of eye contact, rinse with plenty of water. Skin-to-skin contact: Remove contaminated clothing and shoes. Rinse with soap and water for 15 minutes. Accidental ingestion: Rinse your mouth and send to the hospital as soon as possible.

Packaging and storage:

• Wrap:25kg/bag
• Storage: Store in a dry, cool, ventilated place without sharp objects.