ohmic heating

简明释义

电阻加热

英英释义

例句

1.The dairy industry relies on ohmic heating 欧姆加热 for rapid heating of milk without scorching.

乳制品行业依赖于ohmic heating 欧姆加热快速加热牛奶而不焦糊。

2.Using ohmic heating 欧姆加热, manufacturers can reduce processing times significantly.

使用ohmic heating 欧姆加热，制造商可以显著缩短加工时间。

3.The process of food pasteurization often utilizes ohmic heating 欧姆加热 to ensure even temperature distribution.

食品巴氏消毒过程通常利用ohmic heating 欧姆加热以确保温度均匀分布。

4.In the textile industry, ohmic heating 欧姆加热 is used to dye fabrics efficiently.

在纺织行业，ohmic heating 欧姆加热被用于高效染色织物。

5.Researchers are exploring the benefits of ohmic heating 欧姆加热 in the production of biofuels.

研究人员正在探索ohmic heating 欧姆加热在生物燃料生产中的好处。

作文

Ohmic heating, also known as resistive heating, is a process that occurs when an electric current passes through a conductor, generating heat due to the resistance of the material. This phenomenon is commonly utilized in various industrial and domestic applications, including cooking, food processing, and even in some medical treatments. Understanding ohmic heating (欧姆加热) is essential for recognizing its significance and advantages in modern technology.The principle behind ohmic heating (欧姆加热) is based on Joule's law, which states that the heat produced in a conductor is proportional to the square of the current flowing through it and the resistance of the conductor. This relationship can be expressed mathematically as Q = I²Rt, where Q is the heat generated, I is the current, R is the resistance, and t is the time for which the current flows. This formula highlights how efficient ohmic heating (欧姆加热) can be, especially when dealing with materials that have low resistance.One of the most notable applications of ohmic heating (欧姆加热) is in the food industry. For instance, in the production of pasteurized foods, ohmic heating (欧姆加热) allows for rapid and uniform heating of food products, which helps to preserve their nutritional value while effectively eliminating harmful pathogens. This method is particularly advantageous because it minimizes the time food is exposed to high temperatures, thus reducing the risk of nutrient loss.In addition to food processing, ohmic heating (欧姆加热) is also employed in cooking appliances such as electric stoves and ovens. These devices utilize the principles of ohmic heating (欧姆加热) to provide consistent and controllable heat, allowing for precise cooking. The ability to adjust the power settings on these appliances enables users to achieve desired cooking results, whether they are boiling, frying, or baking.Moreover, ohmic heating (欧姆加热) has found applications in the medical field, particularly in hyperthermia treatments for cancer. In this context, ohmic heating (欧姆加热) is used to selectively heat tumor tissues, making them more susceptible to radiation therapy. This innovative approach enhances the effectiveness of treatment while minimizing damage to surrounding healthy tissues.Despite its numerous advantages, there are challenges associated with ohmic heating (欧姆加热). One significant concern is the potential for uneven heating, which can lead to hot spots and compromise the quality of the final product. To mitigate this issue, careful control of the electrical parameters and the design of the heating apparatus are essential. Additionally, the choice of materials is crucial, as different conductors exhibit varying levels of resistance, affecting the efficiency of ohmic heating (欧姆加热).In conclusion, ohmic heating (欧姆加热) is a valuable technique that harnesses the principles of electricity to generate heat for various applications. Its efficiency and effectiveness make it a preferred choice in industries ranging from food processing to healthcare. As technology advances, the potential for ohmic heating (欧姆加热) continues to expand, promising new innovations and improvements in both industrial processes and everyday life.