empty weight

简明释义

空船重;皮重

英英释义

例句

1.The empty weight of this helicopter is significantly lower than its competitors.

这款直升机的空重明显低于其竞争对手。

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

飞机的空重对于计算其最大载货能力至关重要。

3.Knowing the empty weight of the vehicle helps engineers design more efficient fuel systems.

了解车辆的空重有助于工程师设计更高效的燃油系统。

4.They calculated the empty weight of the boat before adding any equipment or passengers.

在添加任何设备或乘客之前，他们计算了船的空重。

5.Before the flight, the pilot checked the empty weight to ensure compliance with safety regulations.

在飞行之前，飞行员检查了空重以确保符合安全规定。

作文

When discussing aviation and aircraft design, the term empty weight is crucial for understanding the overall performance and efficiency of an aircraft. The empty weight refers to the weight of the aircraft without any passengers, cargo, or usable fuel. It includes all the necessary components such as the airframe, engines, and systems that are essential for the aircraft to operate but does not account for additional items that might be added during a flight. This measurement is vital for pilots, engineers, and designers alike as it directly impacts the aircraft's payload capacity and fuel efficiency.Understanding the empty weight of an aircraft helps in various aspects of flight planning and safety. For instance, when calculating the maximum takeoff weight (MTOW), which is the total weight an aircraft can safely carry during takeoff, the empty weight serves as a baseline. By knowing the empty weight, pilots can determine how much fuel and cargo they can load without exceeding the MTOW. This calculation is critical because exceeding the MTOW can lead to dangerous situations during takeoff and landing.Moreover, the empty weight plays a significant role in the aircraft's center of gravity (CG) calculations. The CG affects the aircraft's stability and control during flight. If the empty weight is not accurately measured, it can lead to improper loading of the aircraft, resulting in a CG that is too far forward or backward. Such imbalances can cause difficulties in handling the aircraft, making it essential for pilots to have precise knowledge of the empty weight before departure.In addition to safety and performance, the empty weight also influences the economic aspects of operating an aircraft. Airlines and operators aim to maximize their payload and minimize costs. A lower empty weight allows for more cargo or passengers to be carried, thus increasing revenue potential. Aircraft manufacturers continuously strive to reduce the empty weight of their designs through the use of advanced materials and engineering techniques. For example, the introduction of composite materials has allowed for lighter yet strong structures, contributing to a reduced empty weight without compromising safety or performance.Furthermore, the empty weight is a key factor in the maintenance and operational costs of an aircraft. Heavier aircraft typically require more fuel to operate, leading to higher operational expenses. Therefore, understanding and managing the empty weight can significantly affect an airline's profitability. Operators often conduct weight reduction programs, where they analyze every component of the aircraft to find opportunities for weight savings, thereby optimizing the empty weight.In conclusion, the term empty weight encompasses more than just a number; it is a fundamental aspect of aircraft operation and design. From safety considerations to economic impacts, understanding the empty weight is essential for anyone involved in aviation. As technology advances and the industry evolves, the significance of empty weight will continue to grow, making it an ever-important parameter in the world of flight.

在讨论航空和飞机设计时，术语空重对于理解飞机的整体性能和效率至关重要。空重指的是没有乘客、货物或可用燃料的飞机重量。它包括所有必要的组件，如机身、发动机和操作飞机所需的系统，但不包括飞行中可能添加的额外物品。这个测量对飞行员、工程师和设计师都至关重要，因为它直接影响飞机的有效载荷能力和燃油效率。了解飞机的空重有助于飞行计划和安全的各个方面。例如，在计算最大起飞重量（MTOW）时，最大起飞重量是飞机在起飞时可以安全携带的总重量，空重作为基准。通过知道空重，飞行员可以确定可以装载多少燃料和货物，而不会超过最大起飞重量。这种计算至关重要，因为超过最大起飞重量可能导致起飞和着陆时出现危险情况。此外，空重在飞机重心（CG）计算中也起着重要作用。重心影响飞机在飞行中的稳定性和控制。如果空重未被准确测量，可能会导致飞机装载不当，从而使重心过于靠前或靠后。这种不平衡可能会导致操控飞机的困难，因此飞行员在出发前必须准确了解空重。除了安全性和性能，空重还影响飞机运营的经济方面。航空公司和运营商旨在最大化有效载荷并最小化成本。较低的空重允许携带更多的货物或乘客，从而增加收入潜力。飞机制造商不断努力通过使用先进的材料和工程技术来减少空重。例如，复合材料的引入使得结构更轻但更强，促进了在不妨碍安全或性能的情况下减少空重。此外，空重是飞机维护和运营成本的关键因素。较重的飞机通常需要更多的燃料来操作，导致更高的运营费用。因此，了解和管理空重可以显著影响航空公司的盈利能力。运营商经常进行减重计划，分析飞机的每个组件，以寻找减重的机会，从而优化空重。总之，术语空重不仅仅是一个数字；它是飞机操作和设计的基本方面。从安全考虑到经济影响，了解空重对于任何参与航空的人来说都是至关重要的。随着技术的进步和行业的发展，空重的重要性将继续增长，使其成为飞行世界中一个日益重要的参数。