sound barrier

简明释义

隔声板

英英释义

例句

1.The jet broke the sound barrier 音障 during its test flight.

这架喷气式飞机在测试飞行中突破了音障。

2.When the rocket launched, it quickly passed through the sound barrier 音障.

当火箭发射时，它迅速穿过了音障。

3.Scientists have been studying how to safely exceed the sound barrier 音障 in commercial flights.

科学家们一直在研究如何安全地在商业航班中超过音障。

4.The military aircraft routinely operate at speeds that exceed the sound barrier 音障.

军用飞机通常以超过音障的速度飞行。

5.Breaking the sound barrier 音障 was a significant achievement in aviation history.

突破音障是航空史上的一个重大成就。

作文

The concept of the sound barrier refers to the phenomenon that occurs when an object approaches the speed of sound, which is approximately 343 meters per second in air at sea level. This barrier is not just a physical limit but also a psychological one, often associated with the challenges and breakthroughs in aviation technology. For many years, the idea of breaking the sound barrier was considered a daunting task, fraught with technical difficulties and risks. The first successful flight to break this barrier was accomplished by Captain Charles 'Chuck' Yeager on October 14, 1947, in the Bell X-1 aircraft, named 'Glamorous Glennis'. This historic event marked a significant milestone in aviation history and opened the door for supersonic flight.Breaking the sound barrier is not merely about achieving high speeds; it involves overcoming various aerodynamic challenges. As an aircraft accelerates towards the speed of sound, it encounters increased drag due to shock waves forming around it. These shock waves create a sudden increase in pressure and can lead to a phenomenon known as 'compressibility effects', which can destabilize the aircraft. Engineers and scientists have worked tirelessly to design planes that can handle these stresses, leading to innovations in materials and aerodynamics.The implications of breaking the sound barrier extend beyond military applications. Supersonic commercial flights were once a dream, with the Concorde being the most notable example. It was capable of flying at over twice the speed of sound, drastically reducing travel time across the Atlantic. However, the Concorde's operation ceased in 2003 due to economic factors and environmental concerns. Nevertheless, the pursuit of supersonic travel continues, with new technologies and designs being developed that aim to minimize noise pollution and improve fuel efficiency.In recent years, several companies have announced plans to revive supersonic travel, focusing on creating quieter aircraft that can operate over land without causing disruptive sonic booms. This is crucial because the loud noise produced when an aircraft breaks the sound barrier can be detrimental to communities below. Innovations such as 'quiet supersonic' technologies are being researched to address these concerns, allowing for a future where supersonic travel could become commonplace.The sound barrier symbolizes human ingenuity and the relentless pursuit of progress. It represents the challenges we face and the triumphs we achieve when we push the boundaries of what is possible. As we continue to explore the skies and beyond, breaking the sound barrier remains a testament to our desire to transcend limitations and explore new frontiers. The journey from the first flight past the sound barrier to the potential for commercial supersonic travel encapsulates the spirit of innovation that drives humanity forward. In conclusion, understanding the sound barrier is essential not only for aviation enthusiasts but also for anyone interested in the evolution of technology and its impact on our world.

“音障”这一概念是指当物体接近音速时所发生的现象，在海平面空气中，音速大约为每秒343米。这个障碍不仅是一个物理极限，也是一个心理极限，常常与航空技术中的挑战和突破相关联。多年来，突破“音障”的想法被视为一项艰巨的任务，充满了技术困难和风险。1947年10月14日，查尔斯·“查克”·耶杰上尉在贝尔X-1飞机（名为“迷人的格林尼斯”）中成功打破了这一障碍。这一历史性事件标志着航空史上的一个重要里程碑，并为超音速飞行打开了大门。突破“音障”不仅仅是关于实现高速；它涉及克服各种空气动力学挑战。当飞机加速接近音速时，它会遇到由于冲击波形成而导致的阻力增加。这些冲击波会产生突然的压力增加，并可能导致一种称为“可压缩性效应”的现象，这可能会使飞机不稳定。工程师和科学家们不懈努力，设计出能够承受这些压力的飞机，推动了材料和空气动力学的创新。突破“音障”的影响超越了军事应用。超音速商业航班曾经是一个梦想，协和飞机是最著名的例子。它能够以超过两倍音速飞行，大大减少跨大西洋的旅行时间。然而，由于经济因素和环境问题，协和飞机在2003年停止运营。尽管如此，超音速旅行的追求仍在继续，新的技术和设计正在开发，旨在减少噪音污染并提高燃油效率。近年来，一些公司宣布计划复兴超音速旅行，专注于创造更安静的飞机，能够在不造成破坏性音爆的情况下在陆地上运行。这一点至关重要，因为当飞机突破“音障”时产生的巨大噪音可能对下面的社区造成伤害。诸如“安静超音速”技术等创新正在研究，以解决这些问题，使超音速旅行在未来变得普遍。“音障”象征着人类的聪明才智和对进步的不懈追求。它代表了我们所面临的挑战以及当我们突破可能性的界限时所取得的胜利。随着我们继续探索天空和更远的地方，突破“音障”仍然是我们渴望超越局限、探索新边界的证明。从第一次飞越“音障”到商业超音速旅行的潜力，这一旅程体现了推动人类向前发展的创新精神。总之，理解“音障”不仅对航空爱好者至关重要，对任何对技术演变及其对我们世界影响感兴趣的人来说也是如此。