thrust to weight
简明释义
推力-重量
英英释义
The ratio of the thrust produced by an engine to the weight of the vehicle, often used to evaluate the performance of aircraft and rockets. | 发动机产生的推力与车辆重量的比率,常用于评估飞机和火箭的性能。 |
例句
1.The thrust to weight ratio is critical in determining how quickly an aircraft can climb.
在确定飞机爬升速度时,推重比至关重要。
2.When designing rockets, engineers must consider the thrust to weight ratio to ensure successful launches.
在设计火箭时,工程师必须考虑推重比以确保成功发射。
3.A car with a low thrust to weight ratio may struggle to accelerate quickly.
一辆低推重比的汽车可能会在加速时感到吃力。
4.The fighter jet has a high thrust to weight ratio, allowing it to perform impressive aerial maneuvers.
这架战斗机具有高推重比,使其能够进行令人印象深刻的空中机动。
5.Race cars are built with a focus on maximizing the thrust to weight ratio for better performance.
赛车的设计重点是最大化推重比以提高性能。
作文
In the field of aerospace engineering, one of the most critical concepts to understand is the relationship between thrust and weight. The term thrust to weight describes the ratio of the thrust produced by an aircraft's engines to its weight. This ratio is essential for determining the performance capabilities of an aircraft, particularly during takeoff and climb. A high thrust to weight ratio indicates that an aircraft can accelerate quickly and gain altitude efficiently, which is crucial in both military and commercial aviation.To illustrate this concept, consider a fighter jet designed for combat missions. These jets often have a very high thrust to weight ratio, sometimes exceeding 1:1. This means that the thrust generated by the engines is equal to or greater than the aircraft's weight, allowing it to perform rapid maneuvers, climb steeply, and achieve high speeds. In contrast, a commercial airliner typically has a thrust to weight ratio of less than 1, which is adequate for its intended purpose of transporting passengers efficiently without requiring excessive power.The significance of the thrust to weight ratio extends beyond just performance metrics; it also plays a vital role in safety. For instance, when an aircraft is taking off, it must generate sufficient thrust to overcome its weight and achieve lift. If the thrust to weight ratio is too low, the aircraft may struggle to take off or climb, leading to dangerous situations. Engineers must carefully calculate this ratio during the design phase to ensure that the aircraft meets regulatory standards and performs reliably under various conditions.Moreover, the thrust to weight ratio can vary depending on the aircraft's configuration, payload, and fuel load. For example, as an aircraft burns fuel during flight, its weight decreases, potentially increasing the thrust to weight ratio over time. This dynamic aspect of the ratio allows pilots to optimize their flight paths and performance based on current conditions, making real-time adjustments as necessary.In conclusion, understanding the thrust to weight ratio is fundamental for anyone involved in aviation and aerospace engineering. It not only affects the performance and safety of aircraft but also influences design decisions and operational strategies. Whether one is designing a new aircraft or piloting an existing one, grasping the implications of the thrust to weight ratio is crucial for success in the field. As technology advances, the importance of this ratio will continue to be a focal point in the development of more efficient and capable aircraft.
在航空工程领域,理解推力与重量之间的关系是至关重要的。术语thrust to weight描述了飞机发动机产生的推力与其重量的比率。这个比率对于确定飞机的性能能力尤其重要,特别是在起飞和爬升过程中。高thrust to weight比率表明飞机可以快速加速并有效地获得高度,这在军事和商业航空中都是至关重要的。为了说明这一概念,考虑一架设计用于战斗任务的战斗机。这些飞机通常具有非常高的thrust to weight比率,有时超过1:1。这意味着发动机产生的推力等于或大于飞机的重量,使其能够进行快速机动、陡峭爬升并达到高速。相比之下,商业客机的thrust to weight比率通常低于1,这对于其运输乘客的预期用途是足够的,而不需要过多的动力。thrust to weight比率的重要性不仅体现在性能指标上;它还在安全性方面发挥着重要作用。例如,当飞机起飞时,必须产生足够的推力以克服其重量并获得升力。如果thrust to weight比率过低,飞机可能难以起飞或爬升,从而导致危险情况。工程师必须在设计阶段仔细计算这一比率,以确保飞机符合监管标准并在各种条件下可靠运行。此外,thrust to weight比率可能会因飞机的配置、有效载荷和燃料负荷而有所变化。例如,随着飞机在飞行中消耗燃料,其重量减少,可能会随着时间的推移而增加thrust to weight比率。这一比率的动态特性使飞行员能够根据当前条件优化飞行路径和性能,并在必要时进行实时调整。总之,理解thrust to weight比率对于任何参与航空和航空航天工程的人来说都是基础。这不仅影响飞机的性能和安全性,还影响设计决策和操作策略。无论是设计新飞机还是驾驶现有飞机,掌握thrust to weight比率的含义对于在该领域取得成功至关重要。随着技术的进步,这一比率的重要性将继续成为开发更高效、更具能力的飞机的焦点。
相关单词