direct injection

简明释义

直接喷射

英英释义

例句

1.The new car model features a turbocharged engine with direct injection (直喷技术) for improved fuel efficiency.

这款新车型配备了涡轮增压发动机，采用了direct injection（直喷技术），以提高燃油效率。

2.The use of direct injection (直喷技术) in cooking provides precise flavor control.

在烹饪中使用direct injection（直喷技术）可以提供精确的风味控制。

3.The medical team used direct injection (直注射) to administer the vaccine quickly and effectively.

医疗团队使用direct injection（直注射）快速有效地接种疫苗。

4.Many high-performance sports cars utilize direct injection (直喷技术) to maximize power output.

许多高性能跑车采用direct injection（直喷技术）以最大化功率输出。

5.In modern diesel engines, direct injection (直喷技术) allows for better combustion and lower emissions.

在现代柴油发动机中，direct injection（直喷技术）可以实现更好的燃烧和更低的排放。

作文

In the world of automotive engineering, the term direct injection refers to a specific method of fuel delivery that has gained popularity in recent years due to its efficiency and performance benefits. Unlike traditional fuel injection systems that mix fuel with air before it enters the combustion chamber, direct injection technology injects fuel directly into the combustion chamber at high pressure. This process allows for a more precise control of the fuel-air mixture, resulting in improved combustion efficiency and reduced emissions.One of the primary advantages of direct injection is its ability to enhance engine performance. By delivering fuel directly into the combustion chamber, this system can create a more homogeneous mixture of fuel and air, leading to better combustion characteristics. As a result, engines equipped with direct injection can produce more power while consuming less fuel. This is particularly important in today’s automotive market, where consumers are increasingly concerned about fuel economy and environmental impact.Another significant benefit of direct injection is its contribution to reduced emissions. Traditional fuel injection systems often struggle with incomplete combustion, which can lead to higher levels of harmful pollutants being released into the atmosphere. However, with direct injection, the improved combustion process helps to minimize these emissions, making vehicles more environmentally friendly. This aligns with global efforts to reduce greenhouse gas emissions and combat climate change.Moreover, direct injection technology also plays a crucial role in the development of turbocharged engines. Turbocharging allows for smaller, more efficient engines that still deliver high levels of power. When combined with direct injection, turbocharged engines can achieve even greater efficiency, as the direct injection system provides the necessary fuel for optimal performance under varying conditions. This synergy between turbocharging and direct injection is a key factor in the design of modern engines.Despite its many advantages, direct injection technology is not without its challenges. One of the main issues associated with this system is the potential for carbon buildup on intake valves. Since direct injection does not use fuel to wash over the intake valves, carbon deposits can accumulate over time, leading to reduced engine performance and efficiency. Manufacturers have been working on solutions to mitigate this issue, such as incorporating port fuel injection alongside direct injection to help clean the intake valves.In conclusion, direct injection represents a significant advancement in automotive technology, offering numerous benefits in terms of performance, fuel efficiency, and emissions reduction. As the automotive industry continues to evolve and prioritize sustainability, direct injection will likely play an increasingly important role in the design of future engines. Understanding the implications of this technology is essential for both consumers and manufacturers alike, as it shapes the direction of automotive innovation in the years to come.

在汽车工程领域，短语直接喷射指的是一种特定的燃料输送方法，由于其效率和性能优势，近年来越来越受欢迎。与传统的燃油喷射系统在燃料进入燃烧室之前将燃料与空气混合不同，直接喷射技术是以高压直接将燃料喷入燃烧室。这一过程允许对燃料-空气混合物进行更精确的控制，从而提高燃烧效率并减少排放。直接喷射的主要优点之一是能够增强发动机性能。通过将燃料直接送入燃烧室，这个系统可以创造出更均匀的燃料和空气混合物，从而改善燃烧特性。因此，配备直接喷射的发动机可以在消耗更少燃料的情况下产生更多动力。这在当今的汽车市场中尤为重要，因为消费者越来越关心燃油经济性和环境影响。另一个显著的好处是，直接喷射有助于减少排放。传统的燃油喷射系统往往难以实现完全燃烧，这可能导致更多有害污染物被释放到大气中。然而，借助直接喷射，改进的燃烧过程有助于最小化这些排放，使车辆更加环保。这与全球减少温室气体排放和应对气候变化的努力相一致。此外，直接喷射技术在涡轮增压发动机的发展中也发挥着至关重要的作用。涡轮增压使得小型、更高效的发动机仍能提供高水平的动力。当与直接喷射结合使用时，涡轮增压发动机可以实现更大的效率，因为直接喷射系统为不同条件下的最佳性能提供了必要的燃料。这种涡轮增压与直接喷射之间的协同作用是现代发动机设计中的关键因素。尽管有许多优点，直接喷射技术并非没有挑战。与该系统相关的主要问题之一是进气阀上的碳沉积潜在风险。由于直接喷射不使用燃料冲刷进气阀，因此碳沉积可能会随着时间的推移而积累，导致发动机性能和效率降低。制造商一直在努力寻找解决方案来减轻这一问题，例如在直接喷射的同时结合端口燃油喷射，以帮助清洁进气阀。总之，直接喷射代表了汽车技术的一项重大进步，在性能、燃油效率和减少排放方面提供了众多好处。随着汽车行业不断发展并优先考虑可持续性，直接喷射很可能在未来发动机的设计中发挥越来越重要的作用。理解这一技术的影响对于消费者和制造商来说都是至关重要的，因为它塑造了未来几年的汽车创新方向。