lower calorific value

简明释义

低发热值

英英释义

例句

1.The biomass has a lower calorific value 较低的热值 compared to coal, making it less efficient for energy production.

与煤炭相比，这种生物质的较低的热值使其在能源生产中效率较低。

2.Natural gas typically has a lower calorific value 较低的热值 than propane, which affects their usage in heating systems.

天然气的较低的热值通常低于丙烷，这影响了它们在供暖系统中的使用。

3.When evaluating fuels, one must consider the lower calorific value 较低的热值 to determine their suitability for combustion.

在评估燃料时，必须考虑其较低的热值以确定其燃烧的适用性。

4.In the analysis of fuel efficiency, the lower calorific value 较低的热值 is a critical parameter.

在燃料效率分析中，较低的热值是一个关键参数。

5.The lower calorific value 较低的热值 of waste materials can limit their use in power generation.

废弃物的较低的热值可能限制其在发电中的使用。

作文

The concept of energy is fundamental to our understanding of how different fuels can be utilized for various applications. One important aspect of this is the measurement of calorific value, which indicates the amount of energy that can be obtained from a fuel during combustion. Among the different types of calorific values, the term lower calorific value refers to the amount of energy released when a fuel is burned, excluding the heat of vaporization of water formed during combustion. This makes it a crucial metric for engineers and scientists who seek to optimize energy production processes. Understanding the lower calorific value is essential when assessing the efficiency of various fuels. For instance, natural gas has a relatively high lower calorific value, making it an attractive option for heating and electricity generation. In contrast, fuels like coal or biomass may have lower values, which could affect their overall efficiency in energy production. By comparing the lower calorific value of different fuels, one can make informed decisions about which fuel to use based on its energy output and environmental impact.Moreover, the lower calorific value plays a significant role in the design and operation of combustion systems. Engineers must consider this value when designing boilers, engines, and other equipment that rely on fuel combustion. If the lower calorific value of a fuel is not accurately accounted for, it can lead to inefficient fuel usage, increased emissions, and higher operational costs. Therefore, understanding and accurately measuring the lower calorific value is vital for optimizing energy systems and minimizing their environmental footprint.In addition to its technical implications, the lower calorific value also has economic consequences. Fuels with higher lower calorific values typically provide more energy per unit, which can translate to lower costs for consumers and industries. This is particularly important in today’s economy, where energy prices fluctuate and the demand for efficient energy sources continues to rise. By choosing fuels with favorable lower calorific values, businesses can reduce their energy expenses and improve their competitiveness in the market.Furthermore, the lower calorific value is a key factor in the transition towards renewable energy sources. As society moves away from fossil fuels, understanding the energy content of alternative fuels, such as biofuels or hydrogen, becomes increasingly important. These renewable options often have varying lower calorific values, which must be considered in the development of new technologies and infrastructures. By focusing on fuels with higher lower calorific values, we can enhance the viability of renewable energy solutions and promote a sustainable future.In conclusion, the lower calorific value is a critical parameter in the field of energy production and consumption. It influences the efficiency of fuel use, the design of combustion systems, economic considerations for businesses, and the shift towards renewable energy sources. A comprehensive understanding of the lower calorific value allows us to make better choices regarding fuel selection and energy management, ultimately leading to a more sustainable and efficient energy landscape.

能量的概念对我们理解不同燃料在各种应用中的利用至关重要。一个重要的方面是热值的测量，它表示在燃烧过程中可以从燃料中获得的能量数量。在不同类型的热值中，术语lower calorific value指的是燃料燃烧时释放的能量量，不包括在燃烧过程中形成的水的汽化热。这使其成为工程师和科学家优化能源生产过程的重要指标。理解lower calorific value对于评估各种燃料的效率至关重要。例如，天然气的lower calorific value相对较高，使其成为加热和发电的理想选择。相比之下，煤或生物质等燃料可能具有较低的热值，这可能影响它们在能源生产中的整体效率。通过比较不同燃料的lower calorific value，人们可以根据其能量输出和环境影响做出明智的选择。此外，lower calorific value在燃烧系统的设计和运行中发挥着重要作用。工程师在设计锅炉、发动机和其他依赖于燃料燃烧的设备时必须考虑这一数值。如果未准确考虑燃料的lower calorific value，可能导致燃料使用效率低下、排放增加和运营成本上升。因此，理解和准确测量lower calorific value对于优化能源系统和最小化其环境足迹至关重要。除了技术影响外，lower calorific value还有经济上的影响。具有较高lower calorific value的燃料通常每单位提供更多能量，这可能转化为消费者和行业的较低成本。在当今经济中，能源价格波动，且对高效能源来源的需求不断上升，这一点尤其重要。通过选择具有良好lower calorific value的燃料，企业可以降低能源支出，提高市场竞争力。此外，lower calorific value是向可再生能源转型的关键因素。随着社会逐渐摆脱化石燃料，了解替代燃料（如生物燃料或氢气）的能量含量变得越来越重要。这些可再生选项通常具有不同的lower calorific value，在新技术和基础设施的发展中必须加以考虑。通过关注具有更高lower calorific value的燃料，我们可以增强可再生能源解决方案的可行性，促进可持续的未来。总之，lower calorific value是能源生产和消费领域的关键参数。它影响燃料使用的效率、燃烧系统的设计、企业的经济考虑以及向可再生能源的转变。全面理解lower calorific value使我们能够在燃料选择和能源管理方面做出更好的选择，从而最终实现更可持续和高效的能源格局。