Technical Articles

Supplier:

Harwood Engineering Company


Harwood Engineering Company has published these technical articles:

(Calibration Instruments, Standards and Reference Sources)
From this Article:
The paper briefly describes the basic Harwood apparatus, particularly the deviations from the original Bridgman model and the elaboration thereof by Birch for uses with gases at high temperature.... (View Full Article)
(Pressure Sensing)
From this Article:
A number of improvements in the apparatus and technique have been made since the production of the prototype model of the controlled-clearance piston gauge used by Johnson and Newhall in their 1953... (View Full Article)
(Pumps)
From this Article:
Excessive torque, side thrust, and friction make crank-driven pumps cumbersome and expensive at high pressures. But in hydraulically driven pumps, these effects are eliminated or minimized and higher... (View Full Article)
(Calibration Instruments, Standards and Reference Sources)
From this Article:
The errors which must be considered for accurate measurements of pressure with piston gages are discussed. A new design of piston gage is described which permits the operator to control the clearance... (View Full Article)