Thermoelectric Generation Technology and its Application in Exhaust Waste Heat Utilizing for Automobile 's Engine

温差发电技术及其在汽车 发动机排气余热利用中的应用

Harald bttner head of the thermoelectric systems department says exhaust gas temperatures can reach more than 700C creating a steep gradient between gas and engine cooling fluid .

电热系统部门负责人哈拉尔德伯特纳（harald bttner）称，废气温度能达到摄氏700度以上，造成气体和 发动机冷却液之间很大的温差。

A thermoelectric device can be simplified as the sketch composed of hot / cold electronic reservoir and electronic conductor and it can work as a thermoelectric heat engine and refrigerator if the chemical potential of the cold electronic reservoir is higher than the hot electronic reservoir .

热电装置可以抽象出热/冷电子库和处于它们之间的电子传导体，当冷电子库的化学势高于热电子库时就可以构成 热 电子 热机和制冷机。

Based on thermoelectric and exergy efficiencies under variable operation conditions technical performance of MW class gas engine and gas turbine CCHP systems is compared and primary energy consumption of above two systems is analyzed under different demand for cooling heat and power .

从变工况下的 热电效率和火用效率两个方面比较了MW级燃气 内燃机和燃气轮机冷热电联产系统的技术性能，分析了两者在不同冷热电需求下的一次能耗。

Though thermoacoustic power generation technology has a very bright application prospect thermoelectric conversion efficiency is still very low for the reason that thermoacoustic engine does not match the linear generator .

尽管热声发电技术具有很好的应用前景，但是由于热声 发动机和直线发电机不匹配性导致整机的 热电转换效率还很低。