thermal shield

简明释义

绝热板

英英释义

例句

1.Astronauts rely on their suits' thermal shield to stay safe in extreme temperatures.

宇航员依靠他们服装中的热防护罩在极端温度下保持安全。

2.The spacecraft is equipped with a thermal shield to protect it from the intense heat during reentry.

这艘航天器配备了一个热防护罩，以保护其在重新进入大气层时免受强烈的热量。

3.The laboratory is testing a new type of thermal shield for use in high-temperature environments.

实验室正在测试一种新型的热防护罩，用于高温环境。

4.In building design, a thermal shield can help maintain temperature and reduce energy costs.

在建筑设计中，热防护罩可以帮助维持温度并降低能源成本。

5.This jacket features a built-in thermal shield to keep you warm in cold weather.

这款夹克具有内置的热防护罩，可以在寒冷天气中保持温暖。

作文

In the realm of engineering and technology, the term thermal shield refers to a protective barrier designed to manage heat transfer between two environments. This concept is pivotal in various applications, including aerospace, automotive, and even everyday household appliances. The primary purpose of a thermal shield is to prevent excessive heat from damaging sensitive components or to maintain a desired temperature within a specific area. For instance, in the aerospace industry, spacecraft are equipped with thermal shields to protect them from the extreme temperatures encountered during re-entry into the Earth's atmosphere. These shields must be meticulously designed to withstand intense heat while ensuring that the interior of the spacecraft remains at a safe temperature for both the equipment and the astronauts onboard.The materials used in the construction of a thermal shield are crucial to its effectiveness. Common materials include ceramics, metals, and specialized composites that possess high thermal resistance. Engineers often conduct extensive research and testing to determine the best materials for a specific application, balancing factors such as weight, cost, and thermal performance. For example, the Space Shuttle utilized a combination of reinforced carbon-carbon and silica tiles as part of its thermal shield system. These materials were chosen for their ability to endure the extreme temperatures generated during launch and re-entry.In addition to aerospace applications, thermal shields are also essential in the automotive industry. High-performance vehicles often incorporate thermal shields to protect critical components like the engine and exhaust systems from the intense heat generated during operation. By managing heat effectively, these shields help improve vehicle performance and longevity. Furthermore, they play a role in enhancing passenger comfort by preventing excessive heat buildup within the cabin.Household appliances, such as ovens and refrigerators, also utilize thermal shields to improve energy efficiency and safety. For instance, an oven's insulation acts as a thermal shield, keeping the heat contained within the cooking chamber while ensuring that the exterior remains safe to touch. Similarly, modern refrigerators use thermal shields in their design to minimize energy loss, helping to maintain optimal cooling temperatures without excessive power consumption.The importance of thermal shields extends beyond mere protection; they also contribute to energy efficiency and sustainability. By effectively managing heat, these shields help reduce energy consumption in various applications, ultimately leading to lower carbon footprints. As technology continues to advance, the development of more efficient and effective thermal shields becomes increasingly vital in our quest for sustainable solutions.In conclusion, the concept of a thermal shield is integral to many fields, serving as a critical component in protecting sensitive systems from heat damage. Whether in the context of space exploration, automotive engineering, or household appliances, thermal shields play a pivotal role in ensuring safety, efficiency, and performance. As we continue to innovate and push the boundaries of technology, the design and implementation of thermal shields will remain a key focus for engineers and scientists alike.

在工程和技术领域，术语热屏蔽指的是一种保护屏障，旨在管理两个环境之间的热传递。这个概念在航空航天、汽车以及日常家用电器等各种应用中至关重要。热屏蔽的主要目的是防止过多的热量损坏敏感组件或在特定区域内维持所需的温度。例如，在航空航天工业中，航天器配备了热屏蔽以保护它们免受重返地球大气层时遇到的极端温度。这些屏障必须经过精心设计，以承受强烈的热量，同时确保航天器内部的温度对设备和宇航员保持安全。构成热屏蔽的材料对于其有效性至关重要。常见材料包括陶瓷、金属和具有高热阻的专用复合材料。工程师通常会进行广泛的研究和测试，以确定特定应用的最佳材料，平衡重量、成本和热性能等因素。例如，航天飞机在其热屏蔽系统中使用了强化碳碳复合材料和硅酸盐瓷砖的组合。这些材料因其在发射和重返过程中能够承受极端温度而被选中。除了航空航天应用，热屏蔽在汽车工业中也至关重要。高性能车辆通常采用热屏蔽来保护发动机和排气系统等关键组件，防止在运行过程中产生的强烈热量。通过有效管理热量，这些屏障有助于改善车辆性能和延长使用寿命。此外，它们还通过防止驾驶舱内过热来提高乘客的舒适度。家用电器，如烤箱和冰箱，也利用热屏蔽来提高能效和安全性。例如，烤箱的绝缘材料充当热屏蔽，将热量保持在烹饪腔内，同时确保外部保持安全可触摸。同样，现代冰箱在设计中使用热屏蔽以最小化能量损失，帮助维持最佳冷却温度，而不会过度消耗电力。热屏蔽的重要性超越了单纯的保护；它们还促进了能效和可持续性。通过有效管理热量，这些屏障有助于减少各种应用中的能量消耗，最终导致更低的碳足迹。随着技术的不断进步，更高效和有效的热屏蔽的发展在我们追求可持续解决方案的过程中变得越来越重要。总之，热屏蔽的概念在许多领域中都是不可或缺的，作为保护敏感系统免受热损害的关键组成部分。无论是在太空探索、汽车工程还是家用电器的背景下，热屏蔽在确保安全、效率和性能方面发挥着重要作用。随着我们继续创新并推动技术的边界，热屏蔽的设计和实施将始终是工程师和科学家的重点。