Force 2 — Evaporator pressure times the diaphragm effective area; this force acts on the underside of the diaphragm. It tends to close the valve. This force is transmitted to the diaphragm through the ...

In Part 1, I regaled you all with the brief history behind the discovery of photochemical smog, and then proceeded to dazzle everyone with the intricacies of intake-related pollution controls. Here, ...

The United States Air Force got a foothold in the Mount Vernon area recently when they cut the ribbon on a recruiting office at 7828 Richmond Highway in the Gum Springs area.

1988 1988-2004 Yamaha Virago 535 Review: Basic, trusted, easy to ride and with unchallenging but enjoyable cruiser performance. By Phil West Updated: 11 July 2025 ...

A recent study led by NASA has revealed a surprising connection between Earth’s magnetic field and the oxygen levels that sustain life. According to the new research, the ebb and flow of Earth ...

Pneumatic control valve is an important terminal control element in the industrial control system. Accurate prediction of the residual life of pneumatic control valve is of great significance to ...

In this paper, a pinch-type servo valve embedded in a pneumatic artificial rubber muscle is developed. The valve has 3-ports, consists of two flow paths with silicon tubes. Two balls are in contact ...