Library Subscription: Guest
Begell Digital Portal Begell Digital Library eBooks Journals References & Proceedings Research Collections
High Temperature Material Processes: An International Quarterly of High-Technology Plasma Processes
SJR: 0.19 SNIP: 0.341 CiteScore™: 0.43

ISSN Print: 1093-3611
ISSN Online: 1940-4360

High Temperature Material Processes: An International Quarterly of High-Technology Plasma Processes

DOI: 10.1615/HighTempMatProc.v6.i2.70
12 pages

THE ENERGY BALANCE OF MODERN HIGH PRESSURE METAL HALIDE LAMPS

M. Haverlag
Philips Lighting, Central Development Lamps, P.O. Box 80020, 5600 JM Eindhoven, The Netherlands; and Eindhoven University of Technology, Department of Applied Physics, P.O.Box 513, DenDolech 2, Eindhoven, the Netherlands

ABSTRACT

In the market of High Intensity Discharge (HID) lamps there is a gradual shift from traditional high-pressure plasma light sources based on single-metal emitters (e.g. high pressure sodium and high pressure mercury lamps) towards high-pressure plasma light sources with multiple plasma components, hi the last group especially metal-halide lamps with improved energy efficiency and light-technical properties are becoming increasingly important. Since these plasmas are more complex in terms of the plasma chemistry and physics, an improved understanding is needed. In this article a model will be presented for the energy balance of metal-halide lamps. The model includes several submodels, including radiation models for optically thick and optically thin radiation, 2-D radiation transport, a model for the chemical equilibrium reactions between the different components in the plasma, heat conductivity and electrical conductivity, and a 1-D numerical solution of the Elenbaas-Heller equation. As an example model calculations in comparison to experimental results will be shown for high pressure sodium-iodide lamps.


Articles with similar content:

THE ENERGY BALANCE OF MODERN HIGH PRESSURE METAL HALIDE LAMPS
High Temperature Material Processes: An International Quarterly of High-Technology Plasma Processes, Vol.15, 2011, issue 3
M. Haverlag
THE ENERGY BALANCE OF MODERN HIGH PRESSURE METAL HALIDE LAMPS
Progress in Plasma Processing of Materials, 2003, Vol.0, 2003, issue
M. Haverlag
RADIATIVE TRANSFER DURING A PULSED LIGHTNING ARC ON A METALLIC PLATE
International Heat Transfer Conference 16, Vol.22, 2018, issue
C. Zaepffel, R. Sousa Martins, Philippe Riviere, Anouar Soufiani, L. Chemartin
PHOTON UPCONVERSION BASED ON MOLECULAR SCALE ENERGY AND MASS TRANSFER: MATERIALS DEVELOPMENT, MICROSCOPIC KINETICS, AND PHOTOPHYSICAL PROPERTIES
International Heat Transfer Conference 16, Vol.17, 2018, issue
Yoichi Murakami
SPECTRAL CONTROL OF HEAT CONDUCTION IN NANOSTRUCTURED MATERIALS
International Heat Transfer Conference 13, Vol.0, 2006, issue
Woochul Kim, Arun Majumdar