thrust-weight ratio

简明释义

推力重量比

英英释义

例句

1.When designing rockets, engineers focus on the thrust-weight ratio (推重比) to ensure they can lift off effectively.

在设计火箭时，工程师关注推重比（推重比），以确保它们能够有效地起飞。

2.A low thrust-weight ratio (推重比) in an aircraft can result in poor climb performance.

飞机中的低推重比（推重比）可能导致爬升性能差。

3.To achieve supersonic speeds, a plane must have a thrust-weight ratio (推重比) greater than one.

为了达到超音速，飞机的推重比（推重比）必须大于1。

4.The fighter jet has a high thrust-weight ratio (推重比), allowing it to perform impressive aerial maneuvers.

这架战斗机具有高推重比（推重比），使其能够进行令人印象深刻的空中机动。

5.The thrust-weight ratio (推重比) is a critical factor in determining an aircraft's performance during takeoff.

在决定飞机起飞性能时，推重比（推重比）是一个关键因素。

作文

The concept of thrust-weight ratio is fundamental in the fields of aerospace engineering and aviation. It refers to the ratio of the thrust produced by an engine to the weight of the aircraft. This metric plays a crucial role in determining the performance and capabilities of an aircraft. A higher thrust-weight ratio indicates that an aircraft can achieve greater acceleration and climb rates, making it more agile and responsive in flight. Conversely, a lower thrust-weight ratio may limit an aircraft's performance, particularly during takeoff and climb phases.To understand the significance of thrust-weight ratio, consider the design of fighter jets versus commercial airliners. Fighter jets are engineered for speed and maneuverability, often boasting a thrust-weight ratio greater than one. This means that the thrust generated by the engines exceeds the weight of the aircraft, allowing it to perform rapid ascents and sharp turns. In contrast, commercial airliners prioritize fuel efficiency and passenger comfort over raw power, resulting in a thrust-weight ratio typically below one. While they can still take off and climb efficiently, their performance is not as aggressive as that of military aircraft.The thrust-weight ratio also impacts the overall design and selection of propulsion systems in aviation. Engineers must carefully balance the weight of engines with the desired thrust output to achieve optimal performance. For instance, a powerful engine that significantly increases the thrust-weight ratio might also add considerable weight, which could negate its advantages. Thus, achieving an ideal thrust-weight ratio is a delicate balancing act that requires extensive calculations and simulations.In addition to aircraft, the concept of thrust-weight ratio is also applicable in rocketry. Rockets rely on high thrust-weight ratios to escape Earth's gravitational pull. The initial phase of a rocket launch demands a significant amount of thrust to overcome its weight and ascend into space. As the rocket burns fuel, it becomes lighter, which can lead to an increase in thrust-weight ratio over time, allowing it to accelerate rapidly as it climbs higher.Understanding thrust-weight ratio extends beyond technical specifications; it also influences the strategic decisions made by pilots and engineers. For example, during combat scenarios, pilots of fighter jets must be keenly aware of their aircraft's thrust-weight ratio to execute evasive maneuvers or engage in dogfights effectively. Similarly, engineers must consider this ratio when designing new aircraft or upgrading existing models to ensure they meet the required performance standards.In conclusion, the thrust-weight ratio is a critical parameter in aviation and aerospace engineering. Its implications extend from the design of aircraft and rockets to the operational strategies employed by pilots. By understanding and optimizing this ratio, engineers can create more efficient, powerful, and capable aircraft that meet the diverse needs of modern aviation. As technology advances, the pursuit of improved thrust-weight ratios will continue to drive innovation in the aerospace industry, leading to safer and more efficient air travel for everyone. Overall, mastering the concept of thrust-weight ratio is essential for anyone involved in aviation, whether they are engineers, pilots, or enthusiasts. It encapsulates the essence of flight dynamics and performance, serving as a key indicator of an aircraft's capabilities and potential.

“推重比”这一概念在航空航天工程和航空领域中至关重要。它指的是发动机产生的推力与飞机重量之间的比率。这个指标在决定飞机的性能和能力方面起着关键作用。较高的“推重比”表明飞机能够实现更大的加速度和爬升率，使其在飞行中更加灵活和反应迅速。相反，较低的“推重比”可能会限制飞机的性能，特别是在起飞和爬升阶段。为了理解“推重比”的重要性，可以考虑战斗机与商业客机的设计。战斗机旨在追求速度和机动性，通常具有大于1的“推重比”。这意味着发动机产生的推力超过飞机的重量，使其能够执行快速上升和急转弯。相比之下，商业客机则优先考虑燃油效率和乘客舒适度，而不是原始动力，因此其“推重比”通常低于1。尽管它们仍然可以有效地起飞和爬升，但其性能不如军用飞机那样激进。“推重比”还影响航空中的整体设计和推进系统的选择。工程师必须仔细平衡发动机的重量与所需的推力输出，以实现最佳性能。例如，一个显著提高“推重比”的强大发动机可能还会增加相当大的重量，这可能会抵消其优势。因此，达到理想的“推重比”是一项精细的平衡工作，需要广泛的计算和模拟。除了飞机， “推重比”这一概念同样适用于火箭。火箭依赖于高“推重比”来逃离地球的引力。火箭发射的初始阶段需要大量的推力来克服其重量并向上升空。随着火箭燃烧燃料，它变得更轻，从而可能导致“推重比”随时间增加，使其在爬升时能够快速加速。理解“推重比”不仅仅是技术规格的延伸；它还影响飞行员和工程师做出的战略决策。例如，在战斗场景中，战斗机的飞行员必须敏锐地意识到他们飞机的“推重比”，以有效执行规避机动或参与空战。同样，工程师在设计新飞机或升级现有型号时也必须考虑这一比率，以确保它们满足所需的性能标准。总之，“推重比”是航空和航空航天工程中的关键参数。它的影响从飞机和火箭的设计延伸到飞行员所采用的操作策略。通过理解和优化这一比率，工程师可以创造出更高效、更强大、更具能力的飞机，以满足现代航空的多样化需求。随着技术的进步，追求改善“推重比”将继续推动航空航天行业的创新，为每个人提供更安全、更高效的航空旅行。总体而言，掌握“推重比”的概念对于任何参与航空的人来说都是必不可少的，无论他们是工程师、飞行员还是爱好者。这一概念概括了飞行动态和性能的本质，作为飞机能力和潜力的关键指标。