turn down ratio

简明释义

燃烧器调节比

英英释义

例句

1.When selecting a boiler, consider its turn down ratio to ensure it meets your needs during varying demand.

在选择锅炉时，请考虑其调节比以确保它能满足不同需求。

2.The heating system has a turn down ratio of 10:1, which means it can operate efficiently at low loads.

该供暖系统的调节比为10:1，这意味着它可以在低负荷下高效运行。

3.A higher turn down ratio allows for better temperature control in commercial kitchens.

更高的调节比可以在商业厨房中实现更好的温度控制。

4.The HVAC unit’s turn down ratio is crucial for maintaining comfort in large buildings.

HVAC单元的调节比对于维持大楼内的舒适度至关重要。

5.A turn down ratio of 5:1 is generally recommended for residential furnaces.

通常建议住宅炉具的调节比为5:1。

作文

In the realm of engineering and design, especially in the context of heating, ventilation, and air conditioning (HVAC), the term turn down ratio is frequently encountered. The turn down ratio refers to the ratio between the maximum output capacity of a system and its minimum output capacity. This concept is crucial for understanding how efficiently a system can operate under varying load conditions. For instance, if a furnace has a maximum heating capacity of 100,000 BTUs per hour and a minimum capacity of 20,000 BTUs per hour, its turn down ratio would be 5:1. This means that the furnace can effectively reduce its output to one-fifth of its maximum capacity while still maintaining efficiency.Understanding the turn down ratio is essential for several reasons. First, it directly impacts energy efficiency. A higher turn down ratio indicates that a system can adjust its output more finely, which leads to less energy waste. For example, during milder weather conditions, a heating system with a high turn down ratio can operate at lower capacities without cycling on and off frequently. This not only saves energy but also prolongs the life of the equipment by reducing wear and tear.Moreover, the turn down ratio plays a significant role in maintaining indoor comfort. Systems with a low turn down ratio may struggle to provide consistent temperatures, leading to fluctuations that can be uncomfortable for occupants. On the other hand, systems with a higher turn down ratio can maintain stable temperatures by adjusting their output to meet the precise demands of the space.In addition to HVAC systems, the concept of turn down ratio can also be applied in other fields such as industrial processes, where machines need to operate efficiently across a range of outputs. For example, in food processing, a machine that can adjust its output based on the volume of product being processed can significantly enhance productivity and reduce waste. Here, a high turn down ratio allows for flexibility and responsiveness to changing operational needs.When selecting equipment or systems, understanding the turn down ratio is critical for making informed decisions. Buyers should consider not just the maximum capacity but also how well the system can perform at lower outputs. This consideration can lead to better energy savings, improved comfort, and increased operational efficiency.In conclusion, the turn down ratio is a vital parameter in evaluating the performance of various systems, particularly in HVAC and industrial applications. It reflects a system's ability to adapt to changing demands while maintaining efficiency and effectiveness. By prioritizing systems with a higher turn down ratio, both consumers and businesses can achieve greater energy savings, enhanced comfort, and improved overall performance. Understanding this concept is essential for anyone involved in the design, selection, or operation of energy-consuming systems, ensuring that they make choices that are not only effective but also sustainable in the long run.

在工程和设计领域，尤其是在供暖、通风和空调（HVAC）的背景下，术语调节比经常被提及。调节比是指系统的最大输出能力与其最小输出能力之间的比率。这个概念对于理解系统在不同负载条件下的高效运行至关重要。例如，如果一个炉子的最大加热能力为每小时100,000 BTU，而最小能力为每小时20,000 BTU，则其调节比为5:1。这意味着该炉子可以有效地将输出减少到其最大能力的五分之一，同时仍保持效率。理解调节比至关重要，原因有几个。首先，它直接影响能源效率。较高的调节比表明系统可以更精细地调整其输出，从而减少能源浪费。例如，在温和的天气条件下，具有高调节比的供暖系统可以以较低的能力运行，而无需频繁开关。这不仅节省了能源，还通过减少磨损来延长设备的使用寿命。此外，调节比在维持室内舒适度方面也起着重要作用。具有低调节比的系统可能难以提供一致的温度，导致波动，这对居住者来说可能是不舒服的。另一方面，具有较高调节比的系统可以通过调整输出以满足空间的精确需求，从而保持稳定的温度。除了HVAC系统，调节比的概念还可以应用于其他领域，例如工业过程，其中机器需要在一系列输出中高效运行。例如，在食品加工中，能够根据处理的产品量调整输出的机器可以显著提高生产力并减少浪费。在这里，高调节比允许灵活性和对变化的操作需求的响应。在选择设备或系统时，理解调节比对于做出明智的决定至关重要。买家应该考虑的不仅是最大能力，还有系统在较低输出下的表现。这个考虑可以带来更好的节能、提高的舒适度和增加的操作效率。总之，调节比是评估各种系统性能的重要参数，特别是在HVAC和工业应用中。它反映了系统在保持效率和有效性的同时适应变化需求的能力。通过优先选择具有较高调节比的系统，消费者和企业都可以实现更大的能源节约、增强的舒适度和改善的整体性能。理解这一概念对于任何参与能源消耗系统的设计、选择或操作的人都是必不可少的，以确保他们做出不仅有效而且在长期内可持续的选择。