دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: the power supplied to a drilling rig by diesel engines driving electric generators;used widely. dieselelectric rig n: see electric rig. diesel engine n: a high-compression, internal-combustion engine used extensively for powering drilling rigs. In a diesel engine, air is drawn into the cylinders and compressed to very high pressures;ignition occurs as fuel is injected into the compressed and heated air. Combustion takes place within the cylinder above the piston, and expansion of the combustion products imparts power to the piston.