suction stroke

简明释义

吸气冲程

英英释义

例句

1.During the suction stroke, the pressure inside the cylinder decreases.

在吸气行程期间，气缸内部的压力降低。

2.In a two-stroke engine, each cycle consists of a suction stroke and a compression stroke.

在二冲程发动机中，每个循环包括一个吸气行程和一个压缩行程。

3.A malfunction during the suction stroke can lead to poor engine performance.

在吸气行程期间的故障可能导致发动机性能不佳。

4.The suction stroke is critical for ensuring that the engine receives enough fuel and air mixture.

确保发动机获得足够的燃油和空气混合物的关键是吸气行程。

5.The engine operates by completing a suction stroke, which draws air into the cylinder.

发动机通过完成一个吸气行程来将空气吸入气缸。

作文

The concept of a suction stroke is fundamental in various mechanical and engineering applications. To understand this term, we must first explore its definition and significance in different contexts. A suction stroke refers to the phase in a reciprocating engine or pump where the piston moves downwards, creating a vacuum that draws in fluid or gas. This process is essential for the operation of many machines, including internal combustion engines and hydraulic systems.In an internal combustion engine, the suction stroke is the first step in the four-stroke cycle. During this phase, as the piston descends, the intake valve opens, allowing air and fuel mixture to enter the combustion chamber. This is crucial because it sets the stage for the power generation phase that follows. Without an effective suction stroke, the engine would not receive the necessary fuel-air mixture, leading to inefficient performance or even failure to start.Similarly, in a pump, the suction stroke plays a vital role in moving fluids from one place to another. When the pump's piston retracts, it creates a low-pressure area, which causes the fluid to be drawn into the pump through the inlet valve. This action is repeated continuously, allowing for a steady flow of liquid. The efficiency of this process heavily relies on the design and mechanics of the suction stroke. If the stroke is too short or the speed is inadequate, the pump may struggle to maintain the desired flow rate.Understanding the mechanics behind the suction stroke also has implications in engineering design. Engineers must consider factors such as the size of the piston, the speed of operation, and the properties of the fluid being moved. For instance, in applications involving viscous liquids, the suction stroke may need to be longer or slower to ensure that the fluid can be effectively drawn into the system. Additionally, maintaining the right balance between the suction stroke and the discharge stroke is crucial for optimal performance.Moreover, the suction stroke is not limited to mechanical systems; it can also be observed in biological processes. For example, when we inhale, our diaphragm contracts, creating a negative pressure in the thoracic cavity. This negative pressure is similar to the suction stroke in a pump, as it draws air into our lungs. Understanding this analogy helps us appreciate the universality of the suction stroke concept across different fields.In conclusion, the suction stroke is a critical component in the operation of various systems, from engines to pumps to biological processes. Its ability to create a vacuum and draw in fluids or gases is essential for efficient performance. By grasping the mechanics and significance of the suction stroke, we can better appreciate the intricacies of engineering and the natural world. Mastery of this concept not only enhances our understanding but also improves our ability to innovate and optimize systems in both mechanical and biological contexts.

“吸入行程”这一概念在各种机械和工程应用中是基础性的。要理解这个术语，我们必须首先探讨它的定义及其在不同背景下的重要性。“吸入行程”是指在往复发动机或泵中，活塞向下移动，产生真空以吸入流体或气体的阶段。这个过程对于许多机器的运行至关重要，包括内燃机和液压系统。在内燃机中，“吸入行程”是四冲程循环中的第一步。在这个阶段，随着活塞下降，进气阀打开，允许空气和燃料混合物进入燃烧室。这一点至关重要，因为它为随后的动力生成阶段奠定了基础。如果“吸入行程”不有效，发动机将无法获得必要的燃料-空气混合物，导致性能低效甚至无法启动。同样，在泵中，“吸入行程”在将流体从一个地方移动到另一个地方时也发挥着重要作用。当泵的活塞收回时，会产生一个低压区域，这使得流体通过进水阀被吸入泵内。这个动作不断重复，允许液体的稳定流动。这个过程的效率在很大程度上依赖于“吸入行程”的设计和机制。如果行程过短或速度不足，泵可能会难以维持所需的流量。理解“吸入行程”背后的机制在工程设计中也具有重要意义。工程师必须考虑活塞的大小、操作速度以及所移动流体的性质。例如，在涉及粘性液体的应用中，“吸入行程”可能需要更长或更慢，以确保流体能够有效地被吸入系统。此外，保持“吸入行程”和排出行程之间的适当平衡对于最佳性能至关重要。此外，“吸入行程”不仅限于机械系统；它也可以在生物过程中观察到。例如，当我们吸气时，横膈膜收缩，胸腔内产生负压。这个负压类似于泵中的“吸入行程”，因为它将空气吸入我们的肺部。理解这个类比有助于我们欣赏“吸入行程”概念在不同领域的普遍性。总之，“吸入行程”是各种系统运行中的关键组成部分，从发动机到泵再到生物过程。它创造真空并吸入流体或气体的能力对于高效性能至关重要。通过掌握“吸入行程”的机制和重要性，我们可以更好地欣赏工程学和自然界的复杂性。掌握这一概念不仅增强了我们的理解能力，还提高了我们在机械和生物上下文中创新和优化系统的能力。