auxiliary power unit

简明释义

辅助电源设备

英英释义

例句

1.If the main engine fails, the auxiliary power unit can be used to maintain essential systems.

如果主发动机故障，辅助动力装置可以用来维持基本系统。

2.The auxiliary power unit is crucial for starting the main engines in cold weather.

在寒冷天气中，辅助动力装置对于启动主发动机至关重要。

3.During ground operations, the auxiliary power unit keeps the cabin comfortable.

在地面操作期间，辅助动力装置保持客舱舒适。

4.The aircraft's auxiliary power unit provides electrical power when the engines are off.

飞机的辅助动力装置在发动机关闭时提供电力。

5.Before takeoff, the crew checks the auxiliary power unit to ensure it is functioning properly.

起飞前，机组人员检查辅助动力装置以确保其正常运作。

作文

An auxiliary power unit is a device used to provide energy for functions other than propulsion. In aviation, it is commonly found in aircraft to supply power when the main engines are not running. The auxiliary power unit ensures that essential systems such as lighting, air conditioning, and avionics can operate while the aircraft is on the ground or when the main engines are off. This is crucial for passenger comfort and safety during boarding and deplaning. In addition to aviation, auxiliary power units are also utilized in various industries, including maritime and land transportation. For instance, ships often use them to power equipment without having to run the main engines, which saves fuel and reduces emissions. Similarly, trucks equipped with auxiliary power units can maintain climate control and power electronic devices while parked, enhancing driver comfort and operational efficiency.The importance of auxiliary power units extends beyond convenience; they play a significant role in environmental sustainability. By allowing vehicles and aircraft to operate auxiliary systems without relying on their primary engines, auxiliary power units help decrease fuel consumption and lower greenhouse gas emissions. This is particularly relevant in today's world, where there is an increasing emphasis on reducing carbon footprints and promoting green technologies.Moreover, advancements in technology have led to the development of more efficient and compact auxiliary power units. Modern units often utilize electric or hybrid systems, which can further minimize environmental impact. These innovations contribute to the overall performance and reliability of vehicles and aircraft, making them more appealing to consumers and operators alike.In conclusion, the auxiliary power unit is an essential component in various modes of transportation, providing necessary energy for auxiliary systems while enhancing comfort and safety. Its role in promoting fuel efficiency and reducing emissions highlights its significance in the context of global efforts towards sustainability. As technology continues to evolve, we can expect auxiliary power units to become even more integral to the design and operation of modern vehicles and aircraft, paving the way for a greener future.

辅助动力装置是用于提供除推进以外的功能的设备。在航空领域，它通常在飞机中找到，用于在主发动机未运行时提供电力。辅助动力装置确保在飞机停场或主发动机关闭时，照明、空调和航空电子设备等基本系统能够运行。这对乘客在登机和下机期间的舒适性和安全至关重要。除了航空业，辅助动力装置还广泛应用于海洋和陆地运输等各个行业。例如，船只通常使用它们来为设备供电，而不必启动主发动机，这样可以节省燃料并减少排放。同样，配备辅助动力装置的卡车在停车时可以保持气候控制并为电子设备供电，从而提高司机的舒适度和运营效率。辅助动力装置的重要性不仅限于便利性；它们在环境可持续性方面也发挥着重要作用。通过允许车辆和飞机在不依赖主发动机的情况下运行辅助系统，辅助动力装置有助于减少燃料消耗和降低温室气体排放。这在当今世界尤其相关，因为人们越来越重视减少碳足迹和促进绿色技术。此外，技术的进步导致更高效和紧凑的辅助动力装置的发展。现代装置通常采用电动或混合动力系统，可以进一步降低环境影响。这些创新提高了车辆和飞机的整体性能和可靠性，使其对消费者和运营商更具吸引力。总之，辅助动力装置是各种交通工具中不可或缺的组成部分，为辅助系统提供必要的能量，同时增强舒适性和安全性。它在促进燃油效率和减少排放方面的作用突显了其在全球可持续发展努力中的重要性。随着技术的不断进步，我们可以期待辅助动力装置在现代车辆和飞机的设计和操作中变得更加重要，为实现更绿色的未来铺平道路。