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The goal of EGR is thus to reduce NO x production by reducing the combustion temperatures. In modern diesel engines, the EGR gas is usually cooled with a heat exchanger to allow the introduction of a greater mass of recirculated gas. However, uncooled EGR designs do exist; these are often referred to as hot-gas recirculation (HGR).
The EA111 series of internal combustion engines was initially developed by Audi under Ludwig Kraus’s leadership and introduced in the mid-1970s in the Audi 50, and shortly after in the original Volkswagen Polo. It is a series of water-cooled inline three- and inline four-cylinder petrol and diesel engines, in a variety of displacement sizes.
Water Injection and cooled exhaust gas recirculation (EGR) could be seen as competitive technologies: it has been demonstrated that at medium load a 40-50 % Water-to-Fuel Ratio (WFR) with Port Water Injection (PWI) has the same effect as an EGR-rate of 10%, which is seen as relatively limited even for petrol engines. [15]
This engine is part of Audi's modular 90° V6/V8 engine family. It shares its bore and stroke, 90° V-angle, and 90mm cylinder spacing with the Audi V6. The earlier V6 engines (EA837) used an Eaton TVS Supercharger instead of turbocharger(s). In 2016, Audi and Porsche released a new turbocharged V6 engine they dubbed EA839.
2 . Blaze Pizza. People love Blaze, and a big part of what makes its pizza top-tier is the dough and how it's made.The founders, Rick and Elise Wetzel previously ran Wetzel’s Pretzels, so they ...
Katharine Horgan's mom died when she was 7 years old. She left her jewelry and cards, which she treasured. She found the locket at a cafe in London.
Magic head coach Jamahl Mosley said after the game Suggs was suffering from back spasms and the team would look at him Saturday.. Suggs in his fourth NBA season and was enjoying career highs in ...
The second radiator is plumbed in series with the main radiator in the circuit. This was the case when the Audi 100 was first turbocharged creating the 200. These are not to be confused with intercoolers. Some engines have an oil cooler, a separate small radiator to cool the engine oil.
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