calorific power

简明释义

热值

英英释义

例句

1.When comparing fuels, it's important to consider their calorific power to determine efficiency.

在比较燃料时，考虑它们的热值以确定效率是很重要的。

2.The coal we use has a high calorific power, making it ideal for energy production.

我们使用的煤具有高热值，使其成为理想的能源生产材料。

3.Natural gas has a higher calorific power than propane, which makes it more efficient for heating.

天然气的热值高于丙烷，这使得它在供暖方面更有效。

4.To calculate the total energy output, we need to know the calorific power of the fuel used.

为了计算总能量输出，我们需要知道所用燃料的热值。

5.The calorific power of biomass can vary significantly depending on its moisture content.

生物质的热值可能因其水分含量而有显著变化。

作文

The concept of calorific power plays a crucial role in the fields of energy and thermodynamics. It refers to the amount of energy produced by the combustion of a specific quantity of fuel, usually measured in joules or calories per gram. Understanding calorific power is essential for various applications, including heating systems, engines, and even cooking. In today's world, where energy efficiency is paramount, knowing the calorific power of different fuels can help us make informed choices about energy consumption.When we talk about fuels, we often encounter terms like renewable and non-renewable resources. Renewable resources, such as solar and wind energy, have gained popularity due to their minimal environmental impact. However, traditional fuels like coal, oil, and natural gas still dominate the energy landscape because of their high calorific power. For instance, natural gas has a higher calorific power than coal, making it a more efficient option for heating and electricity generation.In practical terms, the calorific power of a fuel determines how much energy can be obtained from it during combustion. For example, when we burn wood, its calorific power will dictate how much heat we can generate for cooking or heating our homes. Different types of wood have varying calorific power, which means that some woods will produce more heat than others. This variability can influence our choice of fuel, especially in regions where wood is a primary heating source.Moreover, the calorific power of fuels is also vital in the context of transportation. Vehicles powered by gasoline or diesel rely on the calorific power of these fuels to function efficiently. Higher calorific power fuels can lead to better engine performance and reduced fuel consumption, which is why automotive engineers focus on optimizing fuel types and blends to enhance vehicle efficiency.In addition to its practical implications, understanding calorific power can also contribute to environmental awareness. The combustion of fossil fuels releases greenhouse gases, which are harmful to our planet. By choosing fuels with higher calorific power and lower emissions, we can reduce our carbon footprint and contribute to a more sustainable future. This awareness has led to an increased interest in alternative fuels, such as biofuels and hydrogen, which aim to provide similar calorific power while minimizing environmental damage.In conclusion, the term calorific power encompasses a fundamental aspect of energy production and consumption. Whether we are heating our homes, fueling our vehicles, or cooking our meals, understanding this concept allows us to make better decisions regarding energy use. As we face global challenges related to energy sustainability and climate change, the knowledge of calorific power will be invaluable in guiding us towards more efficient and environmentally friendly energy solutions. By prioritizing fuels that offer high calorific power and lower emissions, we can work towards a cleaner and more sustainable future for generations to come.

‘热值’的概念在能源和热力学领域中起着至关重要的作用。它指的是特定数量燃料燃烧所产生的能量，通常以每克焦耳或卡路里来衡量。理解‘热值’对于各种应用至关重要，包括供暖系统、发动机甚至烹饪。在当今这个能源效率至关重要的世界中，了解不同燃料的‘热值’可以帮助我们做出明智的能源消费选择。当我们谈论燃料时，常常会遇到可再生和非可再生资源等术语。由于对环境影响最小，可再生资源如太阳能和风能已获得广泛认可。然而，传统燃料如煤、石油和天然气仍主导着能源格局，因为它们具有较高的‘热值’。例如，天然气的‘热值’高于煤，使其成为供暖和发电的更高效选择。从实际角度来看，燃料的‘热值’决定了在燃烧过程中可以从中获得多少能量。例如，当我们燃烧木材时，其‘热值’将决定我们可以产生多少用于烹饪或供暖的热量。不同类型的木材具有不同的‘热值’，这意味着某些木材将比其他木材产生更多的热量。这种变异性可能会影响我们对燃料的选择，尤其是在木材是主要供暖来源的地区。此外，燃料的‘热值’在交通运输方面也至关重要。由汽油或柴油驱动的车辆依赖这些燃料的‘热值’来高效运作。高‘热值’燃料可以提高发动机性能并减少燃料消耗，这就是为什么汽车工程师专注于优化燃料类型和混合物以增强车辆效率。除了实际意义，理解‘热值’还可以促进环境意识。化石燃料的燃烧释放温室气体，对我们的星球有害。通过选择具有较高‘热值’和较低排放的燃料，我们可以减少碳足迹，为更可持续的未来做出贡献。这种意识导致人们对替代燃料的兴趣增加，例如生物燃料和氢气，旨在提供类似的‘热值’同时尽量减少环境损害。总之，‘热值’这一术语涵盖了能源生产和消费的基本方面。无论我们是在供暖、为车辆加油还是烹饪食物，理解这一概念使我们能够在能源使用上做出更好的决策。随着我们面临全球与能源可持续性和气候变化相关的挑战，了解‘热值’在引导我们朝着更高效和环保的能源解决方案方面将是无价的。通过优先考虑那些提供高‘热值’和低排放的燃料，我们可以为后代创造一个更清洁、更可持续的未来。