subcooling

简明释义

英[sʌbˈkuːlɪŋ]美[sʌbˈkulɪŋ]

n. 低温冷却；欠火

英英释义

单词用法

同义词

反义词

例句

1.The rolling motion is chosen as the ocean condition in this experimental study, we study on Natural Circulation subcooling vapor bubble departure in vertical channel.

本文取摇摆为海洋影响条件，研究摇摆对竖直管自然循环过冷沸腾气泡脱离点的影响。

2.Outlet subcooling degree of reverse flow section should be in conformity with the requirement of HEI Standard.

空冷器设计应注意其逆流段出口的过冷却符合HEI标准的要求；

3.The article focuses on two ways to determine friction factors of the capliliary tube without backheating which inlet refrigerant is subcooling liquid.

本文针对无回热且进口处制冷剂为过冷液体的节流管介绍确定其沿程阻力系数的两种方法。

4.The liquid superheat limit and vapor subcooling limit in homogeneous nucleation are determined in the present paper by using density fluctuation theory of statistical thermodynamics.

应用统计热力学巨正则系综的密度涨落理论，提出了确定均质沸腾中液体极限过热度和均质凝结中蒸汽极限过冷度的方法。

5.Also, it is found and analysed that there exists inlet pressure fluctuation of coiled capillary tubes when the degree of subcooling is changed from one to another.

从一个过冷度工况向另一个过冷度工况转变的过程中存在螺旋管毛细管入口处压力的波动，并对此现象作了简要分析。

6.For uniform temperature surface, the CHF increases with the subcooling.

对等温面，CHF随过冷度的增加而增加。

7.Monitoring the subcooling (过冷却) temperature is crucial for maintaining optimal performance in chillers.

监测subcooling（过冷却）温度对于维持冷却器的最佳性能至关重要。

8.In a heat pump system, subcooling (过冷却) can improve efficiency during the cooling cycle.

在热泵系统中，subcooling（过冷却）可以提高冷却周期的效率。

9.The refrigeration system operates more efficiently when the liquid refrigerant undergoes subcooling (过冷却) before entering the expansion valve.

制冷系统在液态制冷剂在进入膨胀阀之前经历subcooling（过冷却）时，运行效率更高。

10.Proper subcooling (过冷却) helps prevent compressor damage by ensuring that only liquid refrigerant enters the compressor.

适当的subcooling（过冷却）有助于防止压缩机损坏，确保只有液态制冷剂进入压缩机。

11.To maximize the cooling effect, engineers often recommend a subcooling (过冷却) process in HVAC systems.

为了最大化冷却效果，工程师通常建议在HVAC系统中采用subcooling（过冷却）过程。

作文

In the world of thermodynamics and refrigeration, the concept of subcooling plays a crucial role in enhancing the efficiency of cooling systems. Subcooling refers to the process of lowering the temperature of a liquid below its boiling point without changing its state from liquid to gas. This phenomenon is particularly important in refrigeration cycles, where maintaining low temperatures is essential for effective heat exchange and energy conservation.To understand subcooling, it is vital to first grasp the principles of phase changes and temperature control. When a refrigerant is compressed, it transforms into a high-pressure gas. Upon entering the condenser, this gas releases heat and condenses into a liquid. However, if the liquid refrigerant is not cooled sufficiently before it enters the expansion valve, it may not absorb enough heat during the evaporation process, leading to inefficiencies.This is where subcooling comes into play. By ensuring that the refrigerant is cooled below its saturation temperature, we can maximize the amount of heat absorbed during the evaporation phase. In practical terms, this means that the refrigerant can absorb more heat from the environment, leading to improved cooling performance and reduced energy consumption.One of the key benefits of subcooling is its ability to prevent the formation of vapor bubbles in the liquid refrigerant as it travels through the system. If vapor bubbles form, they can cause what is known as 'flash gas,' which reduces the efficiency of the system and can lead to compressor damage. By maintaining a subcooled state, the risk of flash gas formation is significantly minimized, allowing for smoother operation and longer equipment life.Moreover, subcooling also enhances the overall capacity of the refrigeration system. For instance, in air conditioning units, achieving a higher degree of subcooling can lead to lower discharge temperatures and increased cooling capacity. This is particularly beneficial in hot climates where air conditioning systems are under constant demand.However, it is essential to strike a balance when implementing subcooling in a refrigeration system. Excessive subcooling can lead to diminished returns, where the additional energy required to achieve lower temperatures outweighs the benefits gained. Therefore, HVAC professionals must carefully calculate the optimal level of subcooling for each specific application, taking into consideration factors such as ambient temperature, system design, and intended use.In conclusion, subcooling is a fundamental aspect of modern refrigeration technology that significantly impacts the efficiency and effectiveness of cooling systems. By understanding and applying the principles of subcooling, engineers and technicians can design systems that operate at peak performance while minimizing energy consumption. As the demand for energy-efficient solutions continues to grow, the importance of mastering concepts like subcooling will only increase, paving the way for advancements in refrigeration technology and sustainable practices in various industries.

在热力学和制冷的世界中，亚冷却的概念在提高冷却系统效率方面起着至关重要的作用。亚冷却是指将液体的温度降低到其沸点以下，而不改变其状态从液体变为气体的过程。这种现象在制冷循环中尤其重要，因为维持低温对有效的热交换和节能至关重要。要理解亚冷却，首先必须掌握相变和温度控制的原理。当制冷剂被压缩时，它转变为高压气体。进入冷凝器后，这种气体释放热量并凝结成液体。然而，如果液态制冷剂在进入膨胀阀之前没有得到充分的冷却，它可能无法在蒸发过程中吸收足够的热量，从而导致效率降低。这就是亚冷却发挥作用的地方。通过确保制冷剂在饱和温度以下得到冷却，我们可以最大化蒸发阶段吸收的热量。实际上，这意味着制冷剂可以从环境中吸收更多的热量，从而提高冷却性能并减少能耗。亚冷却的一个关键好处是它能够防止液态制冷剂在系统中流动时形成气泡。如果形成气泡，就会导致所谓的“闪蒸气”，这会降低系统的效率并可能导致压缩机损坏。通过保持亚冷却状态，闪蒸气形成的风险显著降低，从而实现更平稳的运行和更长的设备寿命。此外，亚冷却还增强了制冷系统的整体容量。例如，在空调设备中，达到更高程度的亚冷却可以导致更低的排气温度和增加的冷却能力。这在空调需求不断增加的炎热气候中尤为有利。然而，在制冷系统中实施亚冷却时，必须保持平衡。过度的亚冷却可能会导致收益递减，即实现更低温度所需的额外能量超过获得的好处。因此，HVAC专业人士必须仔细计算每个特定应用的最佳亚冷却水平，考虑环境温度、系统设计和预期用途等因素。总之，亚冷却是现代制冷技术的一个基本方面，对冷却系统的效率和效果产生重大影响。通过理解和应用亚冷却的原理，工程师和技术人员可以设计出在峰值性能下运行的系统，同时最小化能耗。随着对节能解决方案的需求不断增长，掌握像亚冷却这样的概念的重要性只会增加，为制冷技术的进步和各行业可持续实践铺平道路。