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Author: Prabhu TL.

Prabhu TL is a SenseCentral contributor covering digital products, entrepreneurship, and scalable online business systems. He focuses on turning ideas into repeatable processes—validation, positioning, marketing, and execution. His writing is known for simple frameworks, clear checklists, and real-world examples. When he’s not writing, he’s usually building new digital assets and experimenting with growth channels.
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Fuel Injection 15 min read

Introduction to Hydrogen fuelled scramjet combustor

The scramjet  engine  is one of the most  promising propulsive systems for future hypersonic vehicles.   Over  the  last  fifty  years   the  scramjet   engine   technology  has  been  intensively investigated and  several  such engines have  been flight-tested in recent  years  (Neal, Michael, &  Allan,  2005; Paul,  Vincent,   Luat,  &  Jeryl,  2004).  Research   on  supersonic combustion technologies is of great  significance for the design of the engine  and  many  researchers pay significant attention to  the  hypersonic airbreathing propulsion. The  mixing  and  diffusive combustion of fuel and  air in conventional scramjet  engines take place simultaneously in the combustor (Huang, Qin, Luo, & Wang, 2010). Since the incoming supersonic flow can stay in the  combustor only  for a very  short  period of time,  i.e. of the  order of milliseconds (Aso, Inoue,  Yamaguchi, & Tani, 2009; Huang et al., 2010; Hyungseok, Hui,  Jaewoo,  & Yunghwan,…

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Fuel Injection 10 min read

Introduction to Accurate Modelling of an Injector for Common Rail Systems

It is well known that the injection  system plays  a leading role in achieving high diesel engine performance; the introduction of the common rail fuel injection  system (Boehner  & Kumel, 1997; Schommers et al., 2000; Stumpp & Ricco, 1996) represented a major  evolutionary step that  allowed the diesel  engine  to reach  high  efficiency and  low emissions in a wide  range  of load conditions. Many experimental works  show the positive effects of splitting the injection process  in several pilot, main and post injections on the reduction of noise, soot and NOx emission (Badami et al., 2002; Brusca et al., 2002; Henelin et al., 2002; Park et al., 2004; Schmid et al., 2002). In addition, the success of engine  downsizing (Beatrice et al., 2003) and homogeneous charge  combustion engines (HCCI) (Canakci & Reitz, 2004; Yamane & Shimamoto, 2002) is deeply connected with the injection system performance and injection strategy. However, the  development of a high  performance common rail injection  system requires a considerable investment in terms  of time,  as well as money,  due  to the  need  of fine tuning the operation of its components and,  in particular, of the electronic  fuel injector.  In this light, numerical simulation models represent a crucial tool for reducing the amount of experiments needed to reach the final product configuration.…

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