empty weight

简明释义

无载重量

英英释义

例句

1.Before the flight, the pilot checked the empty weight to ensure proper balance.

在飞行前，飞行员检查了空重以确保正确的平衡。

2.Understanding the empty weight helps engineers design more efficient aircraft.

理解空重有助于工程师设计更高效的飞机。

3.The empty weight of this helicopter allows it to carry more passengers.

这架直升机的空重使其能够携带更多乘客。

4.The aircraft's empty weight is crucial for calculating its maximum payload.

飞机的空重对于计算其最大载荷至关重要。

5.To comply with regulations, the empty weight must be documented in the aircraft's logbook.

为了遵守规定，空重必须记录在飞机的日志中。

作文

When discussing aircraft, one of the most important specifications that engineers and pilots must consider is the concept of empty weight. The term empty weight refers to the weight of an aircraft without any payload, passengers, or fuel. Understanding this measurement is crucial for various reasons, including safety, performance, and efficiency. This essay will explore the significance of empty weight, how it impacts flight operations, and its role in aircraft design.Firstly, the empty weight of an aircraft plays a vital role in determining its overall performance. For instance, when an aircraft is designed, engineers calculate the empty weight to ensure that it can carry the intended payload while remaining within safe operational limits. If the empty weight is too high, the aircraft may struggle to achieve the necessary lift during takeoff, which could lead to dangerous situations. Therefore, manufacturers aim to optimize the structure and materials used in the construction of the aircraft to minimize the empty weight without compromising safety or durability.Moreover, the empty weight is essential for calculating the aircraft's maximum takeoff weight (MTOW). MTOW is the maximum weight at which the pilot is allowed to attempt to take off. It includes the empty weight, payload, fuel, and any additional equipment on board. By understanding the empty weight, pilots can make informed decisions about how much fuel and cargo can be safely carried on a flight. This is particularly important for long-haul flights where fuel consumption and weight management are critical for efficiency and safety.In addition to its impact on performance and safety, the empty weight also affects an aircraft’s operational costs. Airlines need to consider the empty weight when planning routes and estimating fuel costs. A heavier aircraft requires more fuel to operate, leading to higher expenses. Thus, airlines often look for ways to reduce the empty weight of their fleets by investing in newer, lighter aircraft or retrofitting existing ones with lighter materials. This not only helps in reducing costs but also contributes to environmental sustainability by lowering carbon emissions.Furthermore, the empty weight is a crucial factor during the maintenance and inspection of aircraft. Regular checks are performed to ensure that the empty weight remains consistent over time. Any significant changes in the empty weight could indicate potential issues such as structural damage or the accumulation of unnecessary equipment. Keeping track of the empty weight ensures that the aircraft remains airworthy and safe for operation.In conclusion, the concept of empty weight is fundamental in aviation, influencing various aspects of aircraft design, performance, and operational efficiency. Understanding the empty weight allows engineers and pilots to make informed decisions that enhance safety and performance while minimizing costs. As the aviation industry continues to evolve, optimizing the empty weight of aircraft will remain a key focus for manufacturers and operators alike, ensuring that air travel remains safe, efficient, and environmentally friendly.

在讨论飞机时，工程师和飞行员必须考虑的一个重要规格是“空重”这一概念。“空重”是指飞机在没有任何有效载荷、乘客或燃料的情况下的重量。理解这一测量对于安全、性能和效率等多个方面至关重要。本文将探讨“空重”的重要性，它如何影响飞行操作，以及它在飞机设计中的作用。首先，飞机的“空重”在确定其整体性能方面起着至关重要的作用。例如，在飞机设计时，工程师会计算“空重”，以确保飞机能够在保持安全操作极限的情况下承载预定的有效载荷。如果“空重”过高，飞机可能在起飞时难以获得必要的升力，这可能导致危险情况。因此，制造商旨在优化飞机结构和所用材料，以在不妨碍安全或耐用性的前提下，尽量减少“空重”。此外，“空重”对计算飞机的最大起飞重量（MTOW）至关重要。最大起飞重量是飞行员被允许尝试起飞的最大重量。它包括“空重”、有效载荷、燃料和机上任何额外设备。通过了解“空重”，飞行员可以就航班上可以安全携带多少燃料和货物做出明智的决定。这在长途航班中尤其重要，因为燃料消耗和重量管理对效率和安全至关重要。除了对性能和安全的影响外，“空重”还会影响飞机的运营成本。航空公司在规划航线和估算燃料成本时需要考虑“空重”。一架更重的飞机需要更多的燃料来操作，从而导致更高的费用。因此，航空公司通常寻找减少机队“空重”的方法，通过投资于更新、更轻的飞机或对现有飞机进行轻量化改造。这不仅有助于降低成本，还通过减少碳排放为环境可持续性做出贡献。此外，“空重”在飞机的维护和检查中也是一个关键因素。定期检查确保“空重”随着时间的推移保持一致。任何显著的“空重”变化可能表明潜在问题，例如结构损坏或不必要设备的积累。跟踪“空重”确保飞机保持适航性和安全性。总之，“空重”的概念在航空中是基础性的，影响着飞机设计、性能和运营效率的各个方面。理解“空重”使工程师和飞行员能够做出增强安全性和性能的明智决定，同时最小化成本。随着航空行业的不断发展，优化飞机的“空重”仍将是制造商和运营商关注的重点，确保航空旅行保持安全、高效和环保。