Sökning: "piezo"
Visar resultat 1 - 5 av 31 avhandlingar innehållade ordet piezo.
1. Ultrasonic Fluid and Cell Manipulation
Sammanfattning : During the last decade, ultrasonic manipulation has matured into an important tool with a wide range of applications, from fundamental cell biological research to clinical and industrial implementations. The contactless nature of ultrasound makes it possible to manipulate living cells in a gentle way, e.g. LÄS MER
2. A Study on Spray-Guided Stratified Charge Systems for Gasoline DI Engines
Sammanfattning : Innovative technologies are required to meet ongoing challenges to reduce the CO2 emissions from passenger cars and their fuel consumption. Such technologies are usually complex and require detailed analyses to deliver efficient, reliable systems. LÄS MER
3. Hollow cone gasoline/ethanol sprays under cold start conditions
Sammanfattning : To decrease the release of CO2 from fossil fuels into the atmosphere, within the transportation sector the efficiency of vehicles and their engines must be increased. Additionally renewable fuels may be used to further decrease our reliance on fossil fuels. LÄS MER
4. Low Emission Concepts for Diesel Engines
Sammanfattning : In the recent past, the Diesel engine has been improved considerably in the areas of performance, fuel efficiency and exhaust emissions. In Europe, these improvements have resulted in a strong increase in the sales of passenger cars equipped with a Diesel engine. LÄS MER
5. Low phase noise voltage controlled micro- and millimeter wave oscillators
Sammanfattning : .... LÄS MER