Keywords

Photomechanical processes, Printing machinery and supplies, Lamphouse thermal management, Negative gate illumination, Infrared heat shielding, Empirical cooling correlations, Printer component thermal protection

Abstract

High-speed operatorless photographic printers require high illumination levels at the negative print gate from lamps with stable color temperatures. The lamps using in these applications give off a large amount of heat radiation that is harmful to photographic emulsions as well as printer components and must be removed. This report describes how a typical photographic printer lamphouse separates the visible energy from the infrared, delivers the visible energy to the negative to be printed, and removes the infrared energy from the housing. This report also develops a set of empirically derived equations, which analytically describe the cooling mechanisms. These equations are intended to be useful design tools in future printer lamphouse development.

Notes

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Graduation Date

Fall 1981

Advisor

Eno, Burton E.

Degree

Master of Science (M.S.)

College

College of Engineering

Degree Program

Engineering

Format

PDF

Pages

70 pages

Language

English

Rights

Public Domain

Length of Campus-only Access

None

Access Status

Masters Thesis (Open Access)

Identifier

DP0013588

Subjects

Infrared lamps; Infrared equipment--Cooling; Optical instruments--Cooling; Heat--Radiation and absorption--Mathematical models; Heat--Transmission--Mathematical models

Accessibility Status

Searchable text

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Engineering Commons

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