manifold pressure

简明释义

歧管压力

英英释义

例句

1.The mechanic checked the manifold pressure gauge during the pre-flight inspection.

机械师在飞行前检查中检查了进气歧管压力表。

2.Monitoring manifold pressure is crucial for engine performance.

监测进气歧管压力对发动机性能至关重要。

3.During the climb, the manifold pressure should not exceed the recommended limits.

在爬升过程中，进气歧管压力不应超过推荐的限制。

4.A sudden drop in manifold pressure can indicate a problem with the engine.

如果进气歧管压力突然下降，可能表明发动机出现问题。

5.The pilot adjusted the throttle to maintain optimal manifold pressure.

飞行员调整油门以保持最佳进气歧管压力。

作文

In the world of aviation and automotive engineering, understanding the concept of manifold pressure is crucial for optimizing performance and efficiency. Manifold pressure refers to the pressure of the air-fuel mixture within the intake manifold of an engine. This measurement is vital because it directly influences the engine's power output and overall efficiency. When the engine operates, the intake manifold collects air from the atmosphere and mixes it with fuel before it enters the combustion chamber. The pressure in this manifold can vary depending on several factors, including the engine's design, throttle position, and altitude.One of the primary reasons why manifold pressure is important is that it helps engineers and pilots gauge the engine's performance. For instance, in a naturally aspirated engine, as altitude increases, the atmospheric pressure decreases, which in turn lowers the manifold pressure. This reduction can lead to a decrease in engine power, as there is less air available for combustion. Pilots need to monitor this pressure to ensure they are operating within the optimal range for their aircraft, especially during climbs or descents.In turbocharged engines, however, manifold pressure can be manipulated to maintain performance at higher altitudes. Turbochargers compress the incoming air, allowing the engine to produce more power than it would at the same altitude without forced induction. This means that pilots flying turbocharged aircraft must also keep a close eye on manifold pressure readings to avoid exceeding limits that could damage the engine.Moreover, manifold pressure is not just a static measurement; it changes dynamically with the engine's operation. When the throttle is opened, manifold pressure increases as more air and fuel enter the engine. Conversely, when the throttle is closed, the pressure drops. Understanding these dynamics allows engineers to fine-tune engine performance, ensuring that the right amount of fuel is injected based on the current manifold pressure.In automotive applications, manifold pressure is equally significant. Modern vehicles often come equipped with electronic control units (ECUs) that use manifold pressure readings to optimize fuel injection and ignition timing. By accurately measuring the pressure in the intake manifold, the ECU can make real-time adjustments to maximize fuel efficiency and minimize emissions. This is particularly important in today's environmentally-conscious market, where consumers demand both performance and sustainability.In conclusion, the concept of manifold pressure plays a pivotal role in both aviation and automotive industries. It serves as a key indicator of engine performance and efficiency, influencing how machines operate under various conditions. Whether in the cockpit of an aircraft or behind the wheel of a car, understanding manifold pressure is essential for anyone looking to optimize their vehicle's capabilities. As technology continues to evolve, the significance of manifold pressure will only grow, making it a fundamental aspect of modern engineering and design. Therefore, both aspiring engineers and seasoned professionals must familiarize themselves with this critical parameter to ensure they can harness the full potential of their engines.

在航空和汽车工程的世界中，理解“进气歧管压力”这一概念对于优化性能和效率至关重要。“进气歧管压力”是指发动机进气歧管内空气-燃料混合物的压力。这一测量非常重要，因为它直接影响发动机的功率输出和整体效率。当发动机运转时，进气歧管从大气中收集空气，并将其与燃料混合，然后进入燃烧室。这个歧管中的压力可能会因多个因素而变化，包括发动机设计、油门位置和海拔高度。“进气歧管压力”重要的主要原因之一是它帮助工程师和飞行员评估发动机的性能。例如，在自然吸气发动机中，随着海拔的增加，大气压力降低，从而导致“进气歧管压力”下降。这种减少可能导致发动机功率下降，因为可用于燃烧的空气减少。飞行员需要监控这一压力，以确保他们在飞机的最佳操作范围内，尤其是在爬升或下降过程中。然而，在涡轮增压发动机中，“进气歧管压力”可以被操控以维持在更高海拔处的性能。涡轮增压器压缩进入的空气，使得发动机能够在相同海拔下产生比没有强制进气时更多的功率。这意味着驾驶涡轮增压飞机的飞行员也必须密切关注“进气歧管压力”读数，以避免超过可能损坏发动机的限制。此外，“进气歧管压力”不仅仅是一个静态测量；它随着发动机的运行而动态变化。当油门打开时，“进气歧管压力”增加，因为更多的空气和燃料进入发动机。相反，当油门关闭时，压力下降。理解这些动态变化使工程师能够微调发动机性能，确保根据当前的“进气歧管压力”注入正确量的燃料。在汽车应用中，“进气歧管压力”同样重要。现代车辆通常配备电子控制单元（ECU），使用“进气歧管压力”读数来优化燃油喷射和点火时机。通过准确测量进气歧管中的压力，ECU可以实时调整，以最大化燃油效率并最小化排放。这在当今环保意识日益增强的市场中尤为重要，消费者要求性能和可持续性。总之，“进气歧管压力”的概念在航空和汽车工业中扮演着关键角色。它作为发动机性能和效率的关键指标，影响机器在各种条件下的运行。无论是在飞机的驾驶舱还是在汽车的方向盘后，理解“进气歧管压力”对于任何希望优化其车辆能力的人来说都是必不可少的。随着技术的不断发展，“进气歧管压力”的重要性只会增加，使其成为现代工程和设计的基本方面。因此，无论是有志于成为工程师的学生，还是经验丰富的专业人士，都必须熟悉这一关键参数，以确保他们能够充分利用其发动机的潜力。