brake mean effective pressure

简明释义

平均有效制动压力

英英释义

例句

1.The engine's performance can be evaluated by measuring the brake mean effective pressure (制动平均有效压力) during tests.

通过在测试中测量制动平均有效压力 (brake mean effective pressure)，可以评估发动机的性能。

2.To optimize fuel consumption, engineers aim to increase the brake mean effective pressure (制动平均有效压力).

为了优化燃油消耗，工程师们的目标是提高制动平均有效压力 (brake mean effective pressure)。

3.The brake mean effective pressure (制动平均有效压力) is crucial for comparing different engine designs.

对于比较不同的发动机设计，制动平均有效压力 (brake mean effective pressure) 是至关重要的。

4.In racing, every team strives to maximize the brake mean effective pressure (制动平均有效压力) for better lap times.

在赛车中，每个团队都努力最大化制动平均有效压力 (brake mean effective pressure) 以获得更好的圈速。

5.A higher brake mean effective pressure (制动平均有效压力) indicates better engine efficiency.

更高的制动平均有效压力 (brake mean effective pressure) 表示更好的发动机效率。

作文

The performance of an engine is often evaluated by various parameters, one of the most important being the brake mean effective pressure. This term refers to the average pressure in the combustion chamber during the power stroke of an engine cycle. Understanding brake mean effective pressure is crucial for engineers and automotive enthusiasts alike, as it directly relates to the engine's efficiency and power output.To grasp the significance of brake mean effective pressure, one must first understand how engines work. An internal combustion engine operates on the principle of converting fuel into mechanical energy. This process involves a series of controlled explosions that push the pistons down, ultimately turning the crankshaft. The effectiveness of this process can be quantified using the brake mean effective pressure, which provides insight into how well the engine converts fuel into usable power.The calculation of brake mean effective pressure takes into account several factors, including the engine's displacement, the speed at which it operates, and the torque produced. By measuring the brake horsepower (BHP) and knowing the engine's displacement, one can calculate the brake mean effective pressure using the formula: BM_eP = (BHP × 33,000) / (Engine Displacement × RPM)This equation highlights the relationship between the engine's output power and its ability to generate pressure. A higher brake mean effective pressure indicates that the engine is more efficient at producing power from the fuel consumed, which is a desirable trait in any automotive application.Moreover, the brake mean effective pressure can also shed light on the overall performance characteristics of an engine. For instance, a racing engine will typically have a much higher brake mean effective pressure compared to a standard road car engine. This is because racing engines are designed to operate at higher RPMs and generate more power within a shorter time frame, thus requiring a greater average pressure during the combustion process.In addition to performance, the brake mean effective pressure can also impact the longevity and reliability of an engine. Engines that consistently operate at high pressures may experience increased wear and tear, leading to potential failures if not properly managed. Therefore, understanding the limits of brake mean effective pressure is essential for maintaining engine health over time.In conclusion, the brake mean effective pressure is a vital parameter that reflects an engine's efficiency, power output, and overall performance. It serves as a benchmark for engineers to design better engines and for manufacturers to market their products effectively. By comprehending the implications of brake mean effective pressure, individuals can make more informed decisions when it comes to vehicle performance and maintenance, ensuring a smoother and more efficient driving experience.In summary, brake mean effective pressure (制动平均有效压力) is a critical concept in the field of engine performance evaluation. It encapsulates the efficiency with which an engine converts fuel into power, making it an indispensable metric for both engineers and automotive enthusiasts.

发动机的性能通常通过各种参数进行评估，其中最重要的一个是制动平均有效压力。这个术语指的是在发动机循环的动力冲程中，燃烧室内的平均压力。理解制动平均有效压力对于工程师和汽车爱好者来说至关重要，因为它直接关系到发动机的效率和功率输出。要掌握制动平均有效压力的重要性，首先必须了解发动机的工作原理。内燃机的工作原理是将燃料转化为机械能。这个过程涉及一系列受控的爆炸，这些爆炸推动活塞下行，最终驱动曲轴旋转。使用制动平均有效压力可以量化这一过程的有效性，它提供了有关发动机如何将燃料转化为可用功率的洞察。制动平均有效压力的计算考虑了几个因素，包括发动机的排量、运行速度和产生的扭矩。通过测量制动马力（BHP）并知道发动机的排量，可以使用以下公式计算制动平均有效压力：BM_eP = (BHP × 33,000) / (发动机排量 × RPM)这个方程突出了发动机输出功率与其产生压力能力之间的关系。更高的制动平均有效压力表明发动机在将消耗的燃料转化为功率方面更为高效，这是任何汽车应用中的一种理想特性。此外，制动平均有效压力还可以揭示发动机的整体性能特征。例如，赛车发动机的制动平均有效压力通常比标准道路汽车发动机要高得多。这是因为赛车发动机设计用于在更高的转速下运行，并在更短的时间内产生更多的功率，因此在燃烧过程中需要更大的平均压力。除了性能外，制动平均有效压力还会影响发动机的寿命和可靠性。持续在高压力下运行的发动机可能会经历增加的磨损，从而导致潜在故障，因此，理解制动平均有效压力的极限对于维护发动机的健康至关重要。总之，制动平均有效压力是一个重要参数，反映了发动机的效率、功率输出和整体性能。它作为工程师设计更好发动机的基准，以及制造商有效营销其产品的依据。通过理解制动平均有效压力的含义，个人可以在车辆性能和维护方面做出更明智的决策，确保更顺畅、更高效的驾驶体验。总之，制动平均有效压力（brake mean effective pressure）是发动机性能评估领域中的一个关键概念。它概括了发动机将燃料转化为功率的效率，使其成为工程师和汽车爱好者不可或缺的指标。