Erosion Mechanisms below a vertical plain Jet on a Non-Cohesive Soil Bed

This experimental research is focused on fail mechanisms in non-cohesive soil beneath the jet with a Jet Erosion Test(JET). A vertical plain jet impinges fluid to a sand bed, which causes zero shear stress beneath the jet averaged over time. Many erosion theories would say that no pick-up happen at that point. <br/><br/>E_c=u/(√(H⁄d) √(ΔgD50 ))...

Design and development of a small scale jet head for multi-lateral drilling

Extraction of hydrocarbons from the sub-surface is becoming harder with the reservoirs getting smaller and the formations increasingly tighter. Considering the current circumstances, production enhancement otherwise known as “stimulation” techniques, play a vital role in ensuring economic returns from a hydrocarbon reservoir. The use of water...

Turbulence Modeling of Wall Jets using the Algebraic Structure Based Model

Report PRE-2628. The Algebraic Structure Based Model (ASBM) of Langer and Reynolds (2003) provides an innovative approach for modeling the turbulent stresses, while incorporating information on the structure of turbulence and providing closure for Reynolds-averaged Navier-Stokes equations. The normal turbulent stresses, for which the ASBM has...

Flame-wall interaction of a flame jet impinging normally on a cooled cylinder

The main objective of the present experimental investigation is to study the turbulent reacting flow field in the region where a stable premixed flame jet (Re = 3250 and ?= 1.3) impinges normally on a cooled cylinder and gain a better understanding of the effect of the cylinder wall temperature. PIV measurements were done in a plane normal to...