propulsive characteristics

简明释义

推进特性

英英释义

例句

1.The research focused on the propulsive characteristics of underwater drones.

研究集中在水下无人机的推进特性上。

2.The propulsive characteristics of a vehicle determine its acceleration and speed capabilities.

车辆的推进特性决定了其加速和速度能力。

3.The engineers conducted tests to evaluate the propulsive characteristics of the new rocket design.

工程师们进行了测试，以评估新火箭设计的推进特性。

4.To optimize performance, we need to analyze the propulsive characteristics of various engine types.

为了优化性能，我们需要分析各种发动机类型的推进特性。

5.Understanding the propulsive characteristics of an aircraft is crucial for improving fuel efficiency.

了解飞机的推进特性对于提高燃油效率至关重要。

作文

In the realm of engineering and physics, the term propulsive characteristics refers to the specific features and parameters that determine how effectively a vehicle or object can generate thrust and move through a medium, whether it be air, water, or space. Understanding these characteristics is vital for designing efficient propulsion systems in various applications, from aircraft to spacecraft and even underwater vehicles. The propulsive characteristics of a system can include factors such as thrust-to-weight ratio, fuel efficiency, drag coefficients, and the overall design of the propulsion mechanism itself.For instance, in aviation, the propulsive characteristics of an aircraft are crucial for its performance. A high thrust-to-weight ratio allows an aircraft to climb quickly and maneuver effectively, which is particularly important during takeoff and landing. Engineers must carefully balance the weight of the aircraft with the power of its engines to optimize these characteristics. Additionally, the design of the wings and fuselage can significantly influence the drag experienced by the aircraft, thereby affecting its speed and fuel consumption.In the context of rocket science, the propulsive characteristics become even more critical. Rockets operate in a vacuum where traditional aerodynamic principles do not apply. Here, the efficiency of the rocket engine and the type of propellant used play pivotal roles. The specific impulse, which measures how effectively a rocket uses propellant to produce thrust, is a key parameter that engineers analyze when designing launch vehicles. A higher specific impulse indicates better fuel efficiency, allowing rockets to carry heavier payloads or travel further distances.Moreover, the propulsive characteristics of underwater vehicles, such as submarines and autonomous underwater vehicles (AUVs), also warrant attention. These vehicles must navigate through water, which presents unique challenges compared to air or space travel. The design of propellers, the shape of the hull, and the overall hydrodynamics are essential considerations that impact their ability to move efficiently and stealthily through aquatic environments.In conclusion, the propulsive characteristics of any vehicle are fundamental to its design and operational effectiveness. Whether it is an airplane soaring through the skies, a rocket breaking free from Earth's gravitational pull, or a submarine gliding silently beneath the waves, understanding these characteristics enables engineers and scientists to innovate and improve propulsion technologies. As we continue to explore new frontiers in transportation and exploration, the study of propulsive characteristics will remain a cornerstone of engineering, driving advancements that push the boundaries of what is possible in mobility and exploration.

在工程和物理学领域，术语propulsive characteristics指的是决定一个车辆或物体在空气、水或太空等介质中有效产生推力和移动的特定特征和参数。理解这些特征对于设计各种应用中的高效推进系统至关重要，从飞机到航天器，甚至水下车辆。propulsive characteristics可以包括推重比、燃料效率、阻力系数以及推进机制本身的整体设计等因素。例如，在航空领域，飞机的propulsive characteristics对其性能至关重要。高推重比使飞机能够快速爬升和有效机动，这在起飞和着陆时尤为重要。工程师必须仔细平衡飞机的重量与发动机的功率，以优化这些特征。此外，机翼和机身的设计会显著影响飞机所遭受的阻力，从而影响其速度和燃油消耗。在火箭科学的背景下，propulsive characteristics变得更加关键。火箭在真空中工作，传统的空气动力学原理不再适用。在这里，火箭发动机的效率和所使用的推进剂类型发挥着关键作用。比冲，这是衡量火箭如何有效利用推进剂产生推力的指标，是工程师在设计发射载具时分析的关键参数。较高的比冲意味着更好的燃料效率，使火箭能够携带更重的有效载荷或旅行更远的距离。此外，水下车辆（如潜艇和自主水下车辆（AUV））的propulsive characteristics也值得关注。这些车辆必须在水中导航，与空中或太空旅行相比，面临独特的挑战。螺旋桨的设计、船体的形状和整体水动力学是影响它们在水中高效和隐秘移动能力的重要考虑因素。总之，任何车辆的propulsive characteristics都是其设计和操作有效性的基础。无论是翱翔于天空的飞机、突破地球引力束缚的火箭，还是在水下悄然滑行的潜艇，理解这些特征使工程师和科学家能够创新和改进推进技术。随着我们继续探索交通和探险的新前沿，研究propulsive characteristics将始终是工程学的基石，推动推动我们在移动性和探索方面可能性的边界。