pressure cabin

简明释义

加压舱

英英释义

例句

1.The design of the pressure cabin is crucial for long-haul flights.

对于长途航班来说，压力舱的设计至关重要。

2.Technicians regularly inspect the pressure cabin to ensure safety standards.

技术人员定期检查压力舱以确保安全标准。

3.The airplane's pressure cabin ensures that passengers are comfortable at high altitudes.

飞机的压力舱确保乘客在高海拔时感到舒适。

4.If the pressure cabin fails, it can lead to dangerous situations for everyone on board.

如果压力舱失效，可能会导致机上所有人处于危险之中。

5.During the flight, the pressure cabin maintains a stable environment for the crew.

在飞行过程中，压力舱为机组人员维持稳定的环境。

作文

The concept of a pressure cabin is integral to modern aviation and space travel. A pressure cabin refers to a sealed enclosure within an aircraft or spacecraft that maintains a safe and comfortable atmospheric pressure for passengers and crew. As we ascend into higher altitudes, the external atmospheric pressure decreases significantly. Without a pressure cabin, the human body would be unable to function properly due to the lack of oxygen and the adverse effects of low pressure. This is why engineers have designed aircraft with pressure cabins to ensure that everyone on board can breathe easily and remain healthy during flight.When an aircraft takes off and climbs to cruising altitude, the pressure cabin plays a crucial role in regulating the environment inside. The cabin is pressurized to levels comparable to those at sea level, typically around 5,000 to 8,000 feet in altitude. This means that even though the airplane may be flying at 30,000 feet or higher, passengers experience conditions similar to being on the ground. The importance of this technology cannot be overstated; it allows for long-distance travel across continents and oceans without compromising safety.In addition to providing adequate oxygen levels, a pressure cabin also protects passengers from the extreme temperatures found at high altitudes. Outside an aircraft, temperatures can plummet to as low as -50 degrees Fahrenheit (-45 degrees Celsius) or lower. The insulation and pressurization of the pressure cabin help maintain a comfortable temperature, ensuring that passengers do not suffer from the cold.Moreover, the design of a pressure cabin must account for various factors such as structural integrity and emergency situations. Engineers conduct extensive testing to ensure that the cabin can withstand the forces exerted on it during flight, including changes in pressure during ascent and descent. In the event of a sudden decompression, the pressure cabin must be able to provide enough time for passengers to don oxygen masks and stabilize their breathing before the situation becomes critical.Spacecraft also utilize pressure cabins to protect astronauts from the vacuum of space. In this context, the pressure cabin serves a similar purpose but operates under even more extreme conditions. The cabin must be airtight to prevent any loss of air, and it must also be equipped with life support systems to provide oxygen, remove carbon dioxide, and regulate temperature. The challenges faced in designing a pressure cabin for space travel are immense, as engineers must consider factors like radiation exposure, microgravity, and the psychological effects of isolation on astronauts.In conclusion, the pressure cabin is a remarkable engineering achievement that has made air travel and space exploration possible. It ensures that passengers can enjoy a safe and comfortable journey, whether flying across the globe or venturing into the cosmos. As technology continues to evolve, the design and functionality of pressure cabins will likely improve, further enhancing the experience of travelers and explorers alike. Understanding the significance of a pressure cabin helps us appreciate the complexities involved in modern transportation and the innovations that make it all possible.

“压力舱”的概念在现代航空和太空旅行中至关重要。压力舱指的是飞机或航天器内的一个密封空间，它为乘客和机组人员维持安全舒适的大气压力。当我们上升到更高的高度时，外部大气压力显著下降。如果没有压力舱，人体将无法正常运作，因为缺氧和低压的负面影响。因此，工程师们设计了配备压力舱的飞机，以确保机上每个人都能轻松呼吸，保持健康。当飞机起飞并攀升到巡航高度时，压力舱在调节内部环境中发挥着关键作用。舱内的压力通常维持在相当于海平面的水平，通常在5,000到8,000英尺的高度。这意味着，即使飞机飞行在30,000英尺或更高的高度，乘客也会体验到类似于地面的环境。这项技术的重要性不容低估；它使得跨洲际和洋面的长途旅行成为可能，而不妨碍安全。除了提供足够的氧气水平外，压力舱还保护乘客免受高空中的极端温度影响。在飞机外部，温度可以骤降至-50华氏度（-45摄氏度）或更低。压力舱的绝缘和加压有助于维持舒适的温度，确保乘客不会受到寒冷的折磨。此外，压力舱的设计必须考虑各种因素，如结构完整性和紧急情况。工程师进行广泛的测试，以确保舱体能够承受飞行过程中施加的力量，包括升降过程中的压力变化。在突发减压的情况下，压力舱必须能够提供足够的时间，让乘客佩戴氧气面罩，稳定呼吸，避免情况变得危急。航天器也利用压力舱来保护宇航员免受太空真空的影响。在这种情况下，压力舱的作用类似，但在更极端的条件下运行。舱体必须是气密的，以防止空气泄漏，并且还必须配备生命支持系统，以提供氧气、去除二氧化碳和调节温度。在为太空旅行设计压力舱时面临的挑战是巨大的，因为工程师必须考虑辐射暴露、微重力和孤立对宇航员心理影响等因素。总之，压力舱是一项了不起的工程成就，使航空旅行和太空探索成为可能。它确保乘客在全球旅行或进入宇宙时都能享受安全舒适的旅程。随着技术的不断发展，压力舱的设计和功能可能会进一步改善，进一步提升旅行者和探索者的体验。理解压力舱的重要性有助于我们欣赏现代交通中的复杂性及其背后的创新。