surface heat exchanger

简明释义

表面换热器

英英释义

例句

1.In the HVAC system, a surface heat exchanger is used to transfer heat between the indoor and outdoor air.

在暖通空调系统中，表面热交换器用于在室内和室外空气之间传递热量。

2.A surface heat exchanger can be used in solar thermal systems to maximize energy collection.

表面热交换器可以用于太阳能热系统，以最大化能量收集。

3.The surface heat exchanger plays a crucial role in maintaining the temperature of the chemical reactor.

表面热交换器在维持化学反应器温度方面发挥着至关重要的作用。

4.Engineers recommended upgrading the surface heat exchanger to enhance cooling performance.

工程师建议升级表面热交换器以增强冷却性能。

5.The factory installed a new surface heat exchanger to improve energy efficiency in their production process.

工厂安装了一个新的表面热交换器以提高生产过程中的能源效率。

作文

In the world of thermal engineering, the efficiency of heat transfer plays a critical role in various applications, ranging from industrial processes to climate control systems. One of the essential components used to enhance this efficiency is the surface heat exchanger. A surface heat exchanger (表面热交换器) is a device designed to transfer heat between two or more fluids without mixing them. This type of heat exchanger is particularly important in situations where contamination is a concern, as it allows for effective thermal management while maintaining the purity of the fluids involved.The principle behind a surface heat exchanger is relatively straightforward. It operates based on the laws of thermodynamics, specifically the second law, which states that heat naturally flows from a hotter object to a cooler one. In a surface heat exchanger (表面热交换器), hot fluid passes over a surface that is in contact with a cooler fluid. The heat from the hot fluid is transferred through the surface to the cooler fluid, resulting in a temperature change for both fluids. This process can occur in various configurations, including plate, shell-and-tube, and finned-tube designs, each suited for specific applications and efficiency requirements.One of the significant advantages of using a surface heat exchanger is its ability to achieve high heat transfer rates. The design of these exchangers often incorporates features such as increased surface area and enhanced flow patterns, which help facilitate better thermal exchange. For instance, in a plate heat exchanger, multiple thin plates are stacked together, allowing fluids to flow in alternating channels. This configuration maximizes the surface area available for heat transfer and minimizes the distance heat must travel, leading to improved performance.In industrial settings, surface heat exchangers (表面热交换器) are commonly used in processes such as cooling, heating, and condensing. For example, in power plants, they play a crucial role in condensing steam back into water after it has passed through a turbine. Similarly, in chemical processing, they help maintain optimal temperatures for reactions by efficiently transferring heat away from exothermic processes.Moreover, surface heat exchangers are also vital in HVAC systems, where they contribute to the heating and cooling of buildings. They allow for the efficient transfer of heat between refrigerants and air or water, ensuring that indoor environments remain comfortable regardless of external conditions. The versatility of surface heat exchangers makes them indispensable in many sectors, including food and beverage, pharmaceuticals, and oil and gas.However, the design and operation of surface heat exchangers (表面热交换器) are not without challenges. Fouling, the accumulation of unwanted materials on heat transfer surfaces, can significantly reduce performance over time. Regular maintenance and cleaning are necessary to ensure optimal efficiency and longevity. Additionally, engineers must consider factors such as pressure drops, material compatibility, and thermal stresses when designing these systems to avoid failures.In conclusion, the surface heat exchanger (表面热交换器) is a fundamental component in the field of thermal management, enabling efficient heat transfer across various industries. Its ability to maintain fluid separation while facilitating thermal exchange makes it an essential tool in processes ranging from energy production to environmental control. Understanding the principles and applications of surface heat exchangers is crucial for anyone involved in engineering or technology, as it highlights the importance of heat transfer in our daily lives and industrial operations.

在热工程的世界中，热传递的效率在各种应用中扮演着至关重要的角色，从工业过程到气候控制系统。其中一个用于提高这种效率的基本组件是表面热交换器。表面热交换器（surface heat exchanger）是一种设计用于在不混合流体的情况下传递两种或多种流体之间热量的设备。这种类型的热交换器在需要关注污染的情况下尤为重要，因为它可以有效地管理热量，同时保持所涉及流体的纯度。表面热交换器的原理相对简单。它依据热力学定律，特别是第二定律，热量自然从较热的物体流向较冷的物体。在表面热交换器中，热流体经过与冷流体接触的表面。热流体的热量通过表面传递给冷流体，从而导致两个流体的温度变化。这个过程可以以多种配置进行，包括板式、壳管式和翅片管式设计，每种设计都适用于特定的应用和效率要求。使用表面热交换器的一个显著优势是它能够实现高热传递率。这些换热器的设计通常结合了如增加表面积和增强流动模式等特征，有助于促进更好的热交换。例如，在板式热交换器中，多个薄板叠加在一起，使流体在交替通道中流动。这种配置最大化了可用于热传递的表面积，并最小化了热量必须传播的距离，从而提高了性能。在工业环境中，表面热交换器通常用于冷却、加热和凝结等过程。例如，在发电厂中，它们在将蒸汽在经过涡轮后冷凝回水的过程中起着至关重要的作用。同样，在化工处理中，它们通过有效地转移热量来维持反应的最佳温度，帮助实现反应的高效进行。此外，表面热交换器在HVAC系统中也至关重要，它们有助于建筑物的加热和冷却。它们允许制冷剂与空气或水之间有效地转移热量，确保室内环境无论外部条件如何都能保持舒适。表面热交换器的多功能性使其在食品和饮料、制药以及石油和天然气等多个行业中不可或缺。然而，表面热交换器的设计和操作并非没有挑战。污垢，即在热传递表面上积累的不必要材料，会显著降低性能。因此，定期维护和清洁是确保最佳效率和长寿命所必需的。此外，工程师在设计这些系统时必须考虑压力损失、材料兼容性和热应力等因素，以避免故障。总之，表面热交换器（surface heat exchanger）是热管理领域的基本组件，使得在各个行业中实现高效的热传递成为可能。它能够在保持流体分离的同时促进热交换，使其成为从能源生产到环境控制的过程中的重要工具。理解表面热交换器的原理和应用对于任何参与工程或技术的人来说都是至关重要的，因为它突显了热传递在我们日常生活和工业操作中的重要性。