low heat value

简明释义

低发热值低热值

英英释义

例句

1.When selecting materials for combustion, it's important to consider the low heat value of certain types of waste.

在选择燃烧材料时，考虑某些类型废物的低热值是很重要的。

2.The biomass fuel we are using has a low heat value, which means it produces less energy per unit compared to traditional fuels.

我们使用的生物质燃料具有低热值，这意味着它每单位产生的能量比传统燃料少。

3.The engineer explained that the low heat value of the coal would affect the efficiency of the power plant.

工程师解释说，煤的低热值会影响发电厂的效率。

4.Due to its low heat value, this type of wood is not suitable for high-efficiency stoves.

由于其低热值，这种木材不适合高效炉具。

5.We need to adjust our calculations because the low heat value of the new fuel affects our energy output.

我们需要调整我们的计算，因为新燃料的低热值影响了我们的能量输出。

作文

Understanding the concept of low heat value is essential for anyone involved in energy production or consumption. The term refers to the amount of energy released during the combustion of a fuel, but specifically, it considers only the usable heat energy. In contrast to the higher heating value, which includes the total energy produced, the low heat value excludes the latent heat of vaporization of water in the combustion products. This distinction is crucial for engineers and scientists when designing systems that rely on fuel combustion.For instance, when evaluating different fuels for power generation, it is vital to consider their low heat value. Fuels with a lower heat value may produce less energy per unit mass compared to those with a higher value. This means that more of the lower heat value fuel would be required to produce the same amount of energy as a higher heat value fuel. Therefore, using a fuel with a low heat value could lead to increased costs and inefficiencies in energy production.Moreover, understanding the low heat value is not just limited to industrial applications; it also has implications for residential heating and cooking. For example, when choosing wood for a fireplace, one must consider its heat value. Some types of wood have a higher low heat value, providing more warmth and requiring less fuel to achieve the desired temperature. In contrast, using wood with a low heat value may result in a longer burning time but less effective heating.In addition to practical applications, the low heat value plays a significant role in environmental considerations. Fuels with a lower heat value may produce more emissions per unit of energy generated, impacting air quality and contributing to climate change. Therefore, transitioning to fuels with a higher heat value can be an important step toward reducing our carbon footprint and promoting sustainable energy practices.Furthermore, the low heat value is a critical factor in the development of renewable energy sources. As the world increasingly looks to alternative energies, understanding the heat values of various biomass materials, for example, becomes essential. Biomass may have a low heat value compared to fossil fuels, but its renewability and reduced carbon emissions make it an attractive option for sustainable energy solutions.In conclusion, the concept of low heat value is fundamental in the fields of energy production, environmental science, and everyday applications like heating. By grasping this concept, individuals and organizations can make informed decisions about fuel selection and energy use, leading to more efficient and sustainable practices. Whether in industrial settings or at home, understanding the implications of low heat value fuels can lead to better energy management and contribute to a healthier planet.

理解低热值的概念对任何参与能源生产或消费的人来说都是至关重要的。这个术语指的是在燃料燃烧过程中释放的能量量，但特别是，它只考虑可用的热能。与包括总能量产生的高热值不同，低热值不包括燃烧产物中水的汽化潜热。这一区别对于设计依赖于燃料燃烧的系统的工程师和科学家至关重要。例如，在评估不同燃料用于发电时，考虑它们的低热值至关重要。热值较低的燃料可能每单位质量产生的能量少于热值较高的燃料。这意味着需要更多的低热值燃料来产生与高热值燃料相同的能量。因此，使用低热值的燃料可能导致成本增加和能源生产效率降低。此外，理解低热值不仅限于工业应用；它在住宅供暖和烹饪中也有影响。例如，在选择壁炉用木材时，必须考虑其热值。一些类型的木材具有更高的低热值，提供更多的温暖，并且需要更少的燃料来达到所需的温度。相比之下，使用低热值的木材可能会导致更长的燃烧时间，但加热效果较差。除了实际应用外，低热值在环境考虑中也起着重要作用。热值较低的燃料每单位产生的能量可能会排放更多的污染物，影响空气质量并助长气候变化。因此，过渡到热值较高的燃料可能是减少碳足迹和促进可持续能源实践的重要一步。此外，低热值是可再生能源开发中的一个关键因素。随着世界越来越多地寻求替代能源，理解各种生物质材料的热值变得至关重要。例如，生物质的低热值可能与化石燃料相比较低，但其可再生性和减少的碳排放使其成为可持续能源解决方案的有吸引力的选择。总之，低热值的概念在能源生产、环境科学以及家庭供暖等日常应用中都是基础性的。通过掌握这一概念，个人和组织可以就燃料选择和能源使用做出明智的决策，从而实现更高效和可持续的实践。无论是在工业环境中还是在家中，理解低热值燃料的影响都可以带来更好的能源管理，并为一个更健康的星球做出贡献。