Posted inNanoTechnology
Posted inGeneral Concepts
Photochemistry of Silver Salts
To understand the fundamental chemistry of silver-based photography, we must look at the photochemistry of…
Posted inGeneral Concepts
A Brief History of Black and White Silver Halide Photography
Perhaps the earliest reference to the concept of silver-based black and white photography is that…
Posted inGeneral Concepts
Chemistry of Photography
While it is easy to make comparisons between the pupil of the eye and the…
Posted inGeneral Concepts
Space Technology
The use of heat pipes has been mainly limited to this field of science until…
Posted inGeneral Concepts
Working Principle and Applications
Inside the container is a liquid under its own pressure, that enters the pores of…
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Design Considerations
The three basic components of a heat pipe are: 1. the container 2. the working fluid 3. the…
Posted inGeneral Concepts
What is a Heat Pipe?
A heat pipe is a simple device that can quickly transfer heat from one point…
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Cunningham Method
Experiments carried out by RG Cunningham and published by ASME in July 1951 clearly demonstrated…
Posted inGeneral Concepts
Flow through Orifice Plates in Compressible Fluid Service at High Pressure Drop
The calculation of compressible flow through orifice plates at high dP (critical flow) appears to…
Posted inGeneral Concepts
Green engineering:
Green Engineering principle suggests that a process must be inherently safe. This is the reason…