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Abstract

One of the first actions of the I.E.S. Technical Committee was to set up a Panel with terms of reference including the following: To examine the past and more recent work on methods for calculating Coefficient of Utilisation values and make recommendations.

The Panel has been engaged for some time on this task and has presented an Interim Report to the Technical Committee in which are made certain proposals affecting lighting design data and calculation. This contribution is submitted by the L.D.D. Panel with the approval of the Technical Committee as a means of explaining to the Society the Panel's proposals while at the same time referring briefly to certain recent developments in lighting design with which the proposals are linked.

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References

Ward

Harrison

, and Anderson

E. A.

“Coefficients of Utilisation,”

Trans. I.E.S. (U.S.A.), 15, 97 (1920).

Jones

J. R.

and Neidhart

John J.

, “Coefficients of Utilisation for Luminaires with Concentrating Distribution.” Illuminating Engineering, 46, 601 (1951).

Jones

J. R.

and Neidhart

John J.

, “The Zonal Method of Computing Coefficients and Illumination on Room Surfaces,” Illuminating Engineering, 43, 949 (1948).

“Calculating Coefficients of Utilisation” (A Report of the Committee on Lighting Design Practice of the Illuminating Engineering Society), Illuminating Engineering, 51, 385 (1956).

Lighting Design—The Next Step

Abstract

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References