lower calorific value

简明释义

低热值

英英释义

例句

1.In engineering, understanding the lower calorific value 低热值 is crucial for designing efficient systems.

在工程学中，理解低热值对设计高效系统至关重要。

2.Coal typically has a lower calorific value 低热值 than oil, making it less efficient for certain applications.

煤通常具有比石油更低的低热值，这使得它在某些应用中效率较低。

3.The lower calorific value 低热值 of this fuel means we need more of it to produce the same amount of energy.

这种燃料的低热值意味着我们需要更多的燃料才能产生相同数量的能量。

4.When calculating energy efficiency, we must consider the lower calorific value 低热值 of the fuels used.

在计算能效时，我们必须考虑所用燃料的低热值。

5.The biomass fuel has a lower calorific value 低热值 compared to natural gas.

该生物质燃料的低热值与天然气相比更低。

作文

In the field of energy production and consumption, understanding various terms related to calorific values is crucial for both industrial applications and environmental considerations. One such term is lower calorific value, which refers to the amount of energy released when a substance is completely burned, excluding the energy contained in the water vapor produced during combustion. This concept is particularly important when evaluating the efficiency of fuels used in power generation and heating systems.The lower calorific value (LCV) is often contrasted with the higher calorific value (HCV), which includes the latent heat of vaporization of the water. The distinction between these two values is essential because it affects the overall efficiency of energy systems. For instance, natural gas has a higher calorific value than coal, but when considering the LCV, the efficiency of the combustion process can vary significantly based on the fuel type and the technology used.When analyzing energy sources, it is vital to consider the lower calorific value to make informed decisions regarding fuel selection. For example, in regions where air pollution is a concern, using fuels with lower LCVs may help reduce emissions and improve air quality. Moreover, the LCV can influence the design of combustion systems, as engineers must account for the energy output when selecting equipment and optimizing processes.The implications of the lower calorific value extend beyond just energy production; they also play a role in environmental sustainability. Renewable energy sources, such as biomass or biogas, often have different calorific values compared to fossil fuels. By focusing on fuels with favorable LCVs, we can develop cleaner energy solutions that minimize our carbon footprint.Furthermore, understanding the lower calorific value is crucial for industries that rely on energy-intensive processes. For example, in the manufacturing sector, knowing the energy content of raw materials can lead to better resource management and cost savings. Companies that optimize their energy use by selecting fuels with appropriate LCVs can enhance their competitiveness while contributing to sustainability efforts.In conclusion, the concept of lower calorific value is fundamental in the context of energy production, environmental impact, and industrial efficiency. By comprehensively understanding this term, stakeholders can make better decisions regarding fuel selection and energy management. As the world continues to seek sustainable energy solutions, the significance of LCV will only grow, highlighting the need for ongoing research and innovation in this area.

在能源生产和消费领域，理解与热值相关的各种术语对于工业应用和环境考虑至关重要。其中一个术语是低热值，它指的是物质完全燃烧时释放的能量，而不包括燃烧过程中产生的水蒸气所含的能量。这个概念在评估用于发电和供暖系统的燃料效率时尤为重要。低热值（LCV）通常与高热值（HCV）相对比，后者包括水的汽化潜热。这两个值之间的区别非常重要，因为它影响能源系统的整体效率。例如，天然气的热值高于煤，但在考虑LCV时，燃烧过程的效率可能会因燃料类型和使用的技术而显著变化。在分析能源来源时，考虑低热值对于做出明智的燃料选择至关重要。例如，在空气污染成为问题的地区，使用低LCV的燃料可能有助于减少排放并改善空气质量。此外，LCV还可以影响燃烧系统的设计，因为工程师在选择设备和优化过程时必须考虑能量输出。低热值的影响不仅限于能源生产；它们在环境可持续性中也发挥着作用。可再生能源，如生物质或沼气，通常与化石燃料具有不同的热值。通过关注具有良好LCV的燃料，我们可以开发出更清洁的能源解决方案，从而最小化我们的碳足迹。此外，理解低热值对于依赖能量密集型过程的行业至关重要。例如，在制造业中，了解原材料的能量含量可以导致更好的资源管理和成本节约。通过选择适当LCV的燃料来优化能源使用的公司，可以提高其竞争力，同时为可持续发展做出贡献。总之，低热值的概念在能源生产、环境影响和工业效率的背景下是基础性的。通过全面理解这一术语，各方利益相关者可以在燃料选择和能源管理方面做出更好的决策。随着世界继续寻求可持续的能源解决方案，LCV的重要性只会增加，这突显了在这一领域进行持续研究和创新的必要性。