Relationship between energy transformation and utilization (能源转换与利用的关系) 风水 化 核 地太 能能1能 学 能 热阳 次能源 能 能|(天然存在) /水 聚出转 电 变陵用热换 光电转换 热能90% 机械能热机 磁 流 发电机 电动机 温体直接利用 二次能源 叁发 电 电 电 能 www.themegallery.com Company Logo
www.themegallery.com Company Logo Relationship between energy transformation and utilization (能源转换与利用的关系) 热 能 电 能 机 械 能 风 能 水 能 化 学 能 核 能 地 热 能 太 阳 能 一次能源 (天然存在) 二次能源 光 电 转 换 燃 料 电 池 光 热 聚 变 裂 变 燃 水 烧 车 水 轮 机 风 车 热机 电 动 机 发 电 机 90% 转 换 直接利用 利 用 生物质 风 能 温 差 发 电 磁 流 体 发 电
90%/ of energy resources are transformed into thermal energy before it is used. Then, thermal energy is transformed into mechanical energy and used indirectly How can thermal energy be transformed into mechanical energy more efficiently? www.themegallery.com Company Logo
www.themegallery.com Company Logo ➢ 90% of energy resources are transformed into thermal energy before it is used. ➢ Then, thermal energy is transformed into mechanical energy and used indirectly ➢How can thermal energy be transformed into mechanical energy more efficiently?
00 3. What does Thermodynamics study (热力学的研究对象) transformed Thermal energy Mechanical energy (1) Universally(广泛性) Heart the heating and air-conditioning systems, the refrigerator, humidifier, the pressure cooker, the water heater, the shower, the iron and even the computer automotive engines, rockets, jet engines, and conventional and nuclear power plans, solar collector and the design of vehicles from ordinary cars to airplanes. www.themegallery.com Company Logo
www.themegallery.com Company Logo Thermal energy Mechanical energy (1) Universally (广泛性) • Heart • the heating and air-conditioning systems, the refrigerator, humidifier, the pressure cooker, the water heater, the shower, the iron and even the computer. • automotive engines,rockets, jet engines,and conventional and nuclear power plans, solar collector and the design of vehicles from ordinary cars to airplanes. transformed 3. What does Thermodynamics study? (热力学的研究对象)
00 热电厂(热能→机械能 汽车(热能→机械能) Thermal power plant Ⅴ e hicle THermal Energy -Mechanical Energy (Thermal Energy - Mechanical Energy) 4元 飞机(热能→机械能) 冰箱(机械能→热能) Aeroplane Refrigerator THermal Energy -Mechanical Energy (Mechanical Energy Thermal energy www.themegallery.com Company Logo
www.themegallery.com Company Logo 热电厂(热能→机械能) Thermal Power Plant (Thermal Energy →Mechanical Energy 飞机(热能→机械能) Aeroplane (Thermal Energy →Mechanical Energy 汽车 (热能→机械能) Vehicle (Thermal Energy → Mechanical Energy) 冰箱 (机械能→热能) Refrigerator (Mechanical Energy → Thermal Energy
(2) Representatively(代表性) transformed Disorganized energy organized energy (无序能) (有序能) (3) Practicality(实用性 www.themegallery.com Company Logo
www.themegallery.com Company Logo Disorganized energy organized energy （无序能） （有序能） transformed (2) Representatively （代表性 ） (3) Practicality(实用性)