MAN Diesel & Turbo’s two-stage turbocharging development project, ECOCHARGE, recently passed a significant milestone on its way to a successful market introduction.
The company reports that individual MAN TCR20 and MAN TCX17 units – combined as a single, two-stage turbocharging system – has had a first run on an MAN 12V35/44 gas engine on a test bed at its Augsburg, Germany works. The company reports that the ECOCHARGE system has been developed for both gas- and HFO-burning engines.
Now that the TCX series has proven its strengths and functionality on the burner rig, the new ECOCHARGE system will run over the coming months on the engine to prove its strengths and functionality. The test is the first real opportunity to prove the thermodynamic calculations on an engine, which is key to a successful field test.
MAN Diesel & Turbo sees great potential in two-stage turbocharged engines, which can be seen in the spate of recent orders for such solutions. Two-stage turbocharging differs significantly from single-stage turbocharging in that it also copes with the demands of a high-pressure stage. The MAN TCX turbocharger has been especially developed for two-stage turbocharger applications.
The combination of a MAN TCR20 – for the low-pressure stage – and an MAN TCX17 – for the high-pressure stage – offers significant potential for today’s demand for more economical and environmentally-friendly engine operation. This is because two-stage turbocharging supplies engines with improved scavenging air pressures ranging from 5 to >10 bar, as well as significantly improved turbocharging efficiencies.
Source & Image Credit: MAN Diesel & Turbo
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