Waterjetting 4c - hoses and tubing

One of the first decisions one makes in connecting a pump to a nozzle is to select the size of the high-pressure pipeline that will take the...

Seasons Greetings to All

As a gentle snow falls in Southern Maine, I wish you all the Compliments of this Season, and hope that all is well for you and your loved on...

OGPSS - Iranian potential and the Caspian disputes

As we come to the end of the year, Leanan continues to point to the many stories that now fill the media reporting on the perception that t...

Waterjetting 4b - Line losses

High-pressure pumps are, as a general rule, quite efficient at bringing water up to the pressure required for a given task. And yet, time a...

OGPSS - Iran and the new EIA and OPEC Reports

With the possibility that demand for Iranian oil may fall below 1 million barrels a day (mbd) as sanctions continue to bite, Iran has announ...

Waterjetting 4a - Pump pulsations

High-pressure pumps generally draw water into a cylindrical cavity, and then expel it with a reciprocating piston. There are a number of d...

OGPSS - Iranian oil and the global future

There is a lot going on in the Middle East at the moment. There is the revolution in Syria which seems now to be entering some form of end...

Gentle Cough - The Post Dispatch and Cherry-picking data

It has been a little while since I wrote anything about the Global Warming situation. Not that there is not an ongoing series of messages ...

Waterjetting 3e - Water Quality part one.

One of the problems with taking a research team into the field is that you have to be able to provide answers, and a path forward when thing...

OGPSS - The ARPA-E 2012 Awards

The Department of Energy has just announced the projects that have been selected for funding in the next round of the ARPA-E program . (This...

Waterjetting 3d - High-pressure pump flow and pressure

When I first began experimenting with a waterjet system back in 1965 I used a pump that could barely produce 10,000 psi. This limited the r...