launching weight

简明释义

下水重量

英英释义

例句

1.Reducing the launching weight can improve the rocket's performance and efficiency.

减少发射重量可以提高火箭的性能和效率。

2.The launching weight of the spacecraft includes all onboard equipment and supplies.

航天器的发射重量包括所有机载设备和补给品。

3.During the design phase, we need to calculate the optimal launching weight for the mission.

在设计阶段，我们需要计算任务的最佳发射重量。

4.The rocket's launching weight is critical for calculating its fuel requirements.

火箭的发射重量对于计算其燃料需求至关重要。

5.Engineers must ensure that the launching weight does not exceed the maximum capacity of the launch pad.

工程师必须确保发射重量不超过发射台的最大承载能力。

作文

In the field of aerospace engineering, the term launching weight refers to the total mass of a rocket or spacecraft at the moment it is launched into space. This weight includes not only the structure of the vehicle itself but also all the fuel, payload, and any additional equipment necessary for the mission. Understanding launching weight is crucial for engineers and scientists as it directly impacts the design and efficiency of the launch vehicle. When designing a rocket, engineers must carefully calculate the launching weight to ensure that the propulsion system can generate enough thrust to overcome Earth's gravitational pull. If the launching weight is too high, the rocket may fail to reach orbit, resulting in mission failure and significant financial loss. Conversely, if the weight is minimized without compromising the vehicle's capabilities, it can lead to a more successful launch and reduced costs. The launching weight is typically determined during the design phase of the rocket. Engineers use advanced simulations and mathematical models to predict how different configurations and materials will affect the overall weight. For example, using lightweight composite materials instead of traditional metals can significantly reduce the launching weight, allowing for a more efficient launch. Additionally, the launching weight is not static; it changes throughout the flight as fuel is consumed. As the rocket ascends, its weight decreases, which can improve its performance. This phenomenon is known as the 'mass fraction,' which is the ratio of the initial mass of the rocket to its final mass after fuel consumption. A higher mass fraction indicates a more efficient vehicle, as it suggests that a larger portion of the initial weight was dedicated to the payload rather than the fuel. Moreover, the concept of launching weight extends beyond just rockets. It is also applicable to other vehicles, such as satellites and space probes. For instance, when launching a satellite into orbit, engineers must consider the launching weight to ensure that the satellite can be successfully deployed and operate effectively in space. In conclusion, the term launching weight is a fundamental concept in aerospace engineering that plays a critical role in the design and success of space missions. By understanding and optimizing the launching weight, engineers can enhance the performance of rockets and spacecraft, ultimately contributing to the advancement of space exploration. As technology continues to evolve, the methods for calculating and reducing launching weight will likely become even more sophisticated, paving the way for new possibilities in our quest to explore the universe.

在航空航天工程领域，术语launching weight指的是火箭或航天器在发射到太空时的总质量。这个重量不仅包括飞行器本身的结构，还包括所有燃料、有效载荷以及任务所需的任何额外设备。理解launching weight对工程师和科学家至关重要，因为它直接影响发射载具的设计和效率。在设计火箭时，工程师必须仔细计算launching weight，以确保推进系统能够产生足够的推力来克服地球的引力。如果launching weight过高，火箭可能无法进入轨道，从而导致任务失败和重大经济损失。相反，如果在不妥协飞行器能力的情况下减少重量，则可以实现更成功的发射并降低成本。launching weight通常在火箭的设计阶段确定。工程师使用先进的模拟和数学模型来预测不同配置和材料将如何影响整体重量。例如，使用轻质复合材料而不是传统金属可以显著减少launching weight，从而允许更高效的发射。此外，launching weight并不是静态的；它在飞行过程中会发生变化，因为燃料被消耗。随着火箭上升，其重量减少，这可以改善其性能。这种现象称为“质量分数”，即火箭初始质量与燃料消耗后最终质量的比率。较高的质量分数表示更高效的飞行器，因为它表明初始重量的较大部分用于有效载荷而不是燃料。此外，launching weight的概念不仅适用于火箭，也适用于其他飞行器，如卫星和空间探测器。例如，在将卫星送入轨道时，工程师必须考虑launching weight，以确保卫星能够成功部署并在太空中有效运行。总之，术语launching weight是航空航天工程中的一个基本概念，在空间任务的设计和成功中起着关键作用。通过理解和优化launching weight，工程师可以提高火箭和航天器的性能，最终促进太空探索的进步。随着技术的不断发展，计算和减少launching weight的方法可能会变得更加复杂，为我们探索宇宙的新可能性铺平道路。