empty weight
简明释义
空车重量
英英释义
The weight of an aircraft or vehicle without any passengers, cargo, or fuel. | 不包括乘客、货物或燃料的飞机或车辆的重量。 |
例句
1.Before takeoff, the pilot checked the empty weight to ensure safety margins were met.
起飞前,飞行员检查了空重以确保安全边际符合要求。
2.The empty weight of the vehicle affects its fuel efficiency during long trips.
车辆的空重影响其在长途旅行中的燃油效率。
3.A lighter empty weight can improve the overall performance of a sports car.
更轻的空重可以提高跑车的整体性能。
4.The aircraft's empty weight is crucial for calculating its maximum payload capacity.
飞机的空重对计算其最大载货能力至关重要。
5.Engineers must consider the empty weight when designing new aircraft models.
工程师在设计新型飞机时必须考虑空重。
作文
Understanding the concept of empty weight is crucial in various fields, especially in aviation and automotive engineering. The term empty weight refers to the weight of a vehicle or aircraft without any payload, passengers, or cargo. This measurement is essential for determining the overall performance and efficiency of the vehicle. In aviation, for example, knowing the empty weight of an aircraft helps pilots calculate how much fuel they can carry, how many passengers they can accommodate, and how far the aircraft can fly. Similarly, in the automotive industry, understanding the empty weight of a car can influence its design, fuel efficiency, and safety features.When engineers design a new aircraft, they must account for the empty weight during the planning stages. A lighter empty weight generally allows for a greater payload capacity, which can be a significant advantage in commercial aviation. For instance, if an airplane has a low empty weight, it can carry more passengers or cargo without exceeding its maximum takeoff weight. This aspect is particularly important for airlines aiming to maximize their revenue while minimizing operational costs.In contrast, a heavier empty weight can limit the aircraft's range and efficiency. It may require more fuel to operate, leading to higher operational costs and a larger environmental footprint. Therefore, manufacturers continuously strive to reduce the empty weight by utilizing advanced materials and innovative engineering techniques.The importance of empty weight extends beyond aviation; it also plays a vital role in the automotive sector. Vehicles with a lower empty weight typically exhibit better fuel economy, which is a critical factor for consumers today. As fuel prices continue to rise and environmental concerns become more pressing, automakers are focusing on reducing the empty weight of their vehicles. This can be achieved through various means, such as using lightweight materials like aluminum or carbon fiber, optimizing the vehicle's design, and employing efficient manufacturing processes.Moreover, understanding the empty weight of a vehicle is essential for safety considerations. In a crash scenario, a vehicle's weight can significantly affect its performance and the safety of its occupants. Heavier vehicles may offer better protection in collisions but can also lead to increased stopping distances and reduced maneuverability. Therefore, finding the right balance between empty weight and safety is a challenge that engineers must address.In conclusion, the concept of empty weight is fundamental in both aviation and automotive industries. It influences design decisions, operational efficiency, safety, and environmental impact. As technology advances, the quest to minimize empty weight while maintaining safety and performance will continue to be a focal point for engineers and manufacturers alike. Understanding empty weight not only provides insights into the mechanics of vehicles but also highlights the ongoing efforts to create more efficient and sustainable modes of transportation.
理解空重的概念在许多领域中至关重要,尤其是在航空和汽车工程中。术语空重指的是一辆车辆或飞机在没有任何有效载荷、乘客或货物的情况下的重量。这个测量对于确定车辆的整体性能和效率至关重要。在航空领域,例如,了解飞机的空重可以帮助飞行员计算他们可以携带多少燃料,可以容纳多少乘客,以及飞机可以飞多远。类似地,在汽车行业,了解汽车的空重可以影响其设计、燃油效率和安全特性。当工程师设计新飞机时,他们必须在规划阶段考虑空重。较轻的空重通常允许更大的有效载荷容量,这在商业航空中可能是一个显著的优势。例如,如果一架飞机的空重较低,它可以在不超过最大起飞重量的情况下携带更多的乘客或货物。这一点对于希望在降低运营成本的同时最大化收入的航空公司尤为重要。相反,较重的空重可能会限制飞机的航程和效率。它可能需要更多的燃料来操作,从而导致更高的运营成本和更大的环境足迹。因此,制造商不断努力通过利用先进材料和创新工程技术来减少空重。空重的重要性不仅限于航空;它在汽车行业也发挥着至关重要的作用。较低的空重的车辆通常表现出更好的燃油经济性,这是当今消费者关注的关键因素。随着燃料价格持续上涨和环境问题日益严重,汽车制造商正专注于减少其车辆的空重。这可以通过多种方式实现,例如使用铝或碳纤维等轻质材料,优化车辆设计,以及采用高效的制造流程。此外,了解车辆的空重对于安全考虑至关重要。在碰撞场景中,车辆的重量会显著影响其性能和乘员的安全。较重的车辆在碰撞中可能提供更好的保护,但也可能导致更长的制动距离和降低的机动性。因此,在空重和安全之间找到合适的平衡是工程师必须解决的挑战。总之,空重的概念在航空和汽车行业中是基础性的。它影响设计决策、运营效率、安全性和环境影响。随着技术的进步,尽量减少空重的同时保持安全性和性能的追求将继续成为工程师和制造商的重点。理解空重不仅提供了对车辆机械的洞察,还突显了创造更高效和可持续交通方式的持续努力。