combustion value

简明释义

1. 热值; 2. 卡值;

英英释义

例句

1.The combustion value of gasoline is approximately 44 MJ/kg, making it a powerful energy source.

汽油的燃烧值约为44 MJ/kg，使其成为一种强大的能源。

2.The combustion value of biomass can vary significantly depending on the type of material used.

生物质的燃烧值可能因所用材料的类型而有显著差异。

3.When calculating the combustion value of a fuel, it's essential to consider its chemical composition.

在计算燃料的燃烧值时，考虑其化学成分是至关重要的。

4.Engine efficiency can be improved by using fuels with a higher combustion value.

通过使用具有更高燃烧值的燃料，可以提高发动机效率。

5.The combustion value of natural gas is higher than that of coal, making it a more efficient fuel source.

天然气的燃烧值高于煤，因此它是一种更高效的燃料来源。

作文

The concept of combustion value is crucial in the field of energy production and consumption. In simple terms, combustion value refers to the amount of energy released when a fuel is burned completely. This value is essential for understanding how efficient a fuel source is and how much energy can be harnessed from it. For instance, different fuels such as coal, natural gas, and oil have varying combustion values, which affect their viability as energy sources. When we talk about the combustion value of a substance, we often refer to two specific types: the higher heating value (HHV) and lower heating value (LHV). The HHV includes the total energy released when the fuel is burned, including the heat contained in the water vapor produced during combustion. On the other hand, the LHV excludes this heat, providing a more conservative estimate of the energy available for use. Understanding these distinctions is vital for engineers and scientists when designing systems that utilize various fuels. In practical terms, knowing the combustion value of a fuel helps in determining its economic viability. For example, if a particular fuel has a high combustion value, it means that less of it is needed to produce the same amount of energy compared to a fuel with a lower combustion value. This efficiency can lead to cost savings and reduced environmental impact, as less fuel consumption translates to lower emissions. Moreover, the combustion value plays a significant role in the transition towards renewable energy sources. As society moves away from fossil fuels, understanding the combustion value of biofuels, hydrogen, and other alternative energy sources becomes increasingly important. These new fuels often have different combustion values compared to traditional fuels, influencing their adoption and integration into existing energy systems. In conclusion, the combustion value of a fuel is a fundamental parameter that influences energy efficiency, economic viability, and environmental sustainability. As we continue to explore new energy sources and technologies, a thorough understanding of combustion value will be essential for making informed decisions in energy production and consumption. By prioritizing fuels with favorable combustion values, we can work towards a more sustainable and efficient energy future.

燃烧值的概念在能源生产和消费领域至关重要。简单来说，燃烧值是指完全燃烧时释放的能量总量。这个值对于理解燃料源的效率以及从中可以获取多少能量至关重要。例如，煤、天然气和石油等不同燃料具有不同的燃烧值，这影响它们作为能源来源的可行性。当我们谈论某种物质的燃烧值时，通常会提到两种特定类型：高热值（HHV）和低热值（LHV）。高热值包括燃料燃烧时释放的总能量，包括燃烧过程中产生的水蒸气中所含的热量。另一方面，低热值不包括这些热量，提供了更为保守的可用能量估计。理解这些区别对于工程师和科学家在设计利用各种燃料的系统时至关重要。在实际应用中，了解燃料的燃烧值有助于确定其经济可行性。例如，如果某种燃料的燃烧值较高，则意味着要产生相同数量的能量所需的燃料较少，相较于燃烧值较低的燃料。这种效率可以带来成本节约和减少环境影响，因为燃料消耗减少意味着排放降低。此外，燃烧值在向可再生能源转型中也发挥着重要作用。随着社会逐渐摆脱化石燃料，了解生物燃料、氢气和其他替代能源来源的燃烧值变得越来越重要。这些新燃料的燃烧值往往与传统燃料不同，影响它们的采用和融入现有能源系统。总之，燃料的燃烧值是影响能源效率、经济可行性和环境可持续性的基本参数。随着我们继续探索新的能源来源和技术，对燃烧值的深入理解将对能源生产和消费中的明智决策至关重要。通过优先选择具有良好燃烧值的燃料，我们可以朝着更可持续和高效的能源未来努力。