Abstract: This study examined the energy transfer ratio (ETR) of Central Mine Equipment (CME) automatic standard penetration test (SPT) hammers utilizing a large database of SPT energy measurements. The database consisted of energy ...

Abstract: Twelve years of hourly surface observations from Wake Island are analyzed to isolate the atmospheric tides and to study possible relations between the tides and weather over a very small land mass. In addition to determining ...

Abstract: Hot film needle and catheter probes were used to measure the velocity waves in the dog aorta between the aortic valve and the iliac bifurcation. The forms of the waves were found to be of ...