gross thrust

简明释义

总推力

英英释义

例句

1.When calculating performance, engineers often consider the gross thrust to ensure safety margins.

在计算性能时，工程师通常会考虑总推力以确保安全裕度。

2.The specifications list a gross thrust of 30,000 Newtons for the new jet engine.

规格表列出了新型喷气发动机的总推力为30000牛顿。

3.To achieve better fuel efficiency, we need to optimize the gross thrust of the engines.

为了实现更好的燃油效率，我们需要优化发动机的总推力。

4.The engine produces a maximum gross thrust of 25,000 pounds.

该发动机的最大总推力为25000磅。

5.The aircraft's gross thrust is crucial for takeoff performance.

飞机的总推力对起飞性能至关重要。

作文

In the field of aerospace engineering, understanding various terms and their implications is crucial for successful design and operation of aircraft and rockets. One such term that stands out is gross thrust, which refers to the total thrust produced by an engine before any losses due to drag or other factors are accounted for. This concept is particularly important when analyzing the performance of jet engines and rocket motors. The gross thrust is measured in pounds or newtons and represents the raw power generated by the engine during operation. To grasp the significance of gross thrust, one must first understand how it differs from net thrust. While gross thrust indicates the total output of an engine, net thrust is the effective thrust available for propulsion after subtracting losses. These losses can arise from several sources, including air resistance, engine inefficiencies, and the weight of the vehicle itself. Therefore, engineers must carefully consider both gross thrust and net thrust when designing propulsion systems to ensure they meet the required performance standards.The calculation of gross thrust can be influenced by various factors, including altitude, air temperature, and engine design. For example, a jet engine may produce a higher gross thrust at sea level compared to higher altitudes due to the denser air at lower elevations. Conversely, as an aircraft ascends, the air becomes thinner, which can reduce the gross thrust produced by the engine. This variation necessitates careful planning and testing during the development phases of aircraft and rocket systems.Moreover, the concept of gross thrust is not limited to traditional jet engines. It also applies to alternative propulsion systems, such as electric and hybrid engines. In these cases, the gross thrust may be defined in terms of the electrical power converted into mechanical thrust. As technology advances, understanding how to maximize gross thrust while minimizing environmental impact has become a priority for engineers and designers.In practical applications, knowing the gross thrust of an engine helps determine its suitability for specific missions. For instance, a rocket designed for deep space exploration requires a significantly higher gross thrust than a commercial airliner due to the need to overcome Earth's gravitational pull and travel vast distances. This requirement influences the choice of fuel, engine type, and overall design of the spacecraft.In conclusion, gross thrust is a fundamental concept in aerospace engineering that represents the total thrust generated by an engine. Understanding this term is essential for engineers and designers who strive to create efficient and powerful propulsion systems. By considering both gross thrust and net thrust, professionals in the field can make informed decisions about the design and operation of aircraft and rockets, ultimately leading to advancements in technology and improved performance in aviation and space exploration. As we continue to push the boundaries of what is possible in flight, the role of gross thrust will remain pivotal in shaping the future of aerospace innovation.

在航空航天工程领域，理解各种术语及其含义对于成功设计和操作飞机及火箭至关重要。其中一个突出的术语是总推力，它指的是发动机在未考虑由于阻力或其他因素造成的损失之前产生的总推力。这个概念在分析喷气发动机和火箭发动机的性能时尤为重要。总推力以磅或牛顿为单位测量，代表了发动机在运行期间产生的原始动力。要理解总推力的重要性，首先必须了解它与净推力之间的区别。虽然总推力表示发动机的总输出，但净推力是减去损失后可用于推进的有效推力。这些损失可能来自多个来源，包括空气阻力、发动机效率低下和车辆本身的重量。因此，工程师在设计推进系统时必须仔细考虑总推力和净推力，以确保它们满足所需的性能标准。总推力的计算会受到多种因素的影响，包括海拔高度、空气温度和发动机设计。例如，喷气发动机在海平面产生的总推力可能高于在更高海拔时的推力，因为在较低海拔时空气更密集。相反，随着飞机的升空，空气变得稀薄，这可能会降低发动机产生的总推力。这种变化需要在飞机和火箭系统的开发阶段进行仔细规划和测试。此外，总推力的概念并不限于传统的喷气发动机。它也适用于替代推进系统，例如电动和混合动力发动机。在这些情况下，总推力可以根据转化为机械推力的电能来定义。随着技术的进步，理解如何最大化总推力同时最小化环境影响已成为工程师和设计师的优先事项。在实际应用中，知道发动机的总推力有助于确定其是否适合特定任务。例如，设计用于深空探索的火箭需要比商用客机显著更高的总推力，因为需要克服地球的引力并旅行很远的距离。这一要求影响了燃料的选择、发动机类型和航天器的整体设计。总之，总推力是航空航天工程中的一个基本概念，代表了发动机产生的总推力。理解这个术语对于努力创造高效且强大推进系统的工程师和设计师至关重要。通过考虑总推力和净推力，专业人士可以就飞机和火箭的设计和操作做出明智的决策，最终推动技术进步和改善航空和太空探索的性能。随着我们继续突破飞行的可能界限，总推力在塑造航空航天创新的未来中将继续发挥关键作用。