wet stacking (uncountable)
- The condition or practice of passing unburned fuel out of the exhaust system of a (diesel) vehicle, for example due to idling the engine for long intervals, which does not generate enough heat for a complete burn.
2007 June 22, Ben Evridge, Practical Boat Mechanics: Commonsense Ways to Prevent, Diagnose, and Repair Engines and Mechanical Problems, McGraw Hill Professional, →ISBN, page 32:Wet stacking simply means that unburned fuel is leaving the cylinder and going into the exhaust manifold and out the […] Wet stacking also forces unburned fuel past the piston rings and into the engine oil, causing fuel dilution of the lube […]
2019 December 17, Štefan Medvecký, Slavomír Hrček, Róbert Kohár, František Brumerčík, Viera Konstantová, Current Methods of Construction Design: Proceedings of the ICMD 2018, Springer Nature, →ISBN, page 403:Figure 5 shows the effects of the wet stacking phenomenon on the D-G exhaust pipe. When the D-G sets work in the underloaded mode, piston rings do not expand sufficiently to properly seal the space between the piston and the cylinder […]
2021 February 17, Peter M. Curtis, Maintaining Mission Critical Systems in a 24/7 Environment, John Wiley & Sons, →ISBN, page 207:Operating diesel engines repeatedly or for prolonged periods of time without load can cause wet stacking of unburned diesel fuel oil in the exhaust system. Wet stacking can lead to other diesel engine problems, including explosions in […]
See also
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- roll coal (to intentionally engage in wet stacking)
