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in subjects: "Daylighting"

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Automatic lighting controls demonstration

The purpose of this work was to demonstrate, in a real building situation, the energy and peak demand reduction capabilities of an electronically ballasted lighting control system that can utilize all types of control strategies to efficiently manage lighting. The project has demonstrated that a state-of-the-art electronically ballasted dimmable lighting system can reduce energy and lighting demand by as least 50% using various combinations of control strategies. By reducing light levels over c… more

Date: March 1, 1990

Creator: Rubinstein, F. & Verderber, R.

Item Type: Report

Partner: UNT Libraries Government Documents Department

open access

An automated tool for evaluating compliance and providing assistance with building energy standards during design

In an effort to encourage the maximum cost-effective level of energy efficiency in new building design, energy-efficiency standards have become more location-specific and performance-based. As a result, standards often provide more than one path for ensuring and demonstrating that a design complies, but at the cost of increased complexity. In addition, the burden of remedying a noncompliant design rests on the designers' knowledge and experience, with only general guidance provided by the stand… more

Date: April 30, 1992

Creator: Quadrel, R.W.; Brambley, M.R. & Stratton, R.C.

Item Type: Article

Partner: UNT Libraries Government Documents Department

open access

Development of Design Guidance for K-12 Schools from 30% to 50% Energy Savings: Preprint

This paper describes the development of energy efficiency recommendations for achieving 30% whole-building energy savings in K-12 schools over levels achieved by following the ANSI/ASHRAE/IESNA Standard 90.1. These design recommendations look at building envelope, fenestration, lighting systems (including electrical lights and daylighting), HVAC systems, building automation and controls, outside air treatment, and service water heating.

Date: July 1, 2008

Creator: Pless, S.; Torcellini, P. & Long, N.

Item Type: Article

Partner: UNT Libraries Government Documents Department

open access

Advanced Interactive Facades - Critical Elements for Future GreenBuildings?

Building designers and owners have always been fascinated with the extensive use of glass in building envelopes. Today the highly glazed facade has almost become an iconic element for a 'green building' that provides daylighting and a visual connection with the natural environment. Even before the current interest in green buildings there was no shortage of highly glazed building designs. But many of these buildings either rejected sunlight, and some associated daylight and view with highly ref… more

Date: November 1, 2003

Creator: Selkowitz, Stephen; Aschehoug, Oyvind & Lee, Eleanor S.

Item Type: Article

Partner: UNT Libraries Government Documents Department

open access

Light-scattering properties of a woven shade-screen material used for daylighting and solar heat-gain control

Shade-screens are widely used in commercial buildings as a way to limit the amount of direct sunlight that can disturb people in the building. The shade screens also reduce the solar heat-gain through glazing the system. Modern energy and daylighting analysis software such as EnergyPlus and Radiance require complete scattering properties of the scattering materials in the system. In this paper a shade screen used in the LBNL daylighting testbed is characterized using a photogoniometer and a nor… more

Date: August 1, 2008

Creator: Jonsson, Jacob; Jonsson, Jacob C.; Lee, Eleanor S. & Rubin, Mike

Item Type: Article

Partner: UNT Libraries Government Documents Department

open access

Lawrence Berkeley Laboratory/University of California Lighting Program Overview

The objective of the Lighting Program is to assist and work in concert with the lighting community (composed of manufacturers, designers, and users) to achieve a more efficient lighting economy. To implement its objectives, the Lighting Program has been divided into three major categories: technical engineering, buildings applications, and human impacts (impacts on health and vision). The technical program aims to undertake research and development projects that are both long-range and high-ris… more

Date: December 1, 1981

Creator: Berman, Samuel

Item Type: Report

Partner: UNT Libraries Government Documents Department

open access

Modulating skylight. Final report

A reflector boosted skylight with automatic controls to maintain interior light level and maximize heat capture by opening and closing the insulated reflector, was built and operated. Light levels maintained by the skylight in a small test building were monitored for a one year period and the energy saving computed by comparison to conventional fluorescent lighting.

Date: unknown

Item Type: Report

Partner: UNT Libraries Government Documents Department

open access

Renewable Energy Planning: Multiparametric Cost Optimization; Preprint

This paper describes a method for determining the combination of renewable energy technologies that minimize life-cycle cost at a facility, often with a specified goal regarding percent of energy use from renewable sources. Technologies include: photovoltaics (PV); wind; solar thermal heat and electric; solar ventilation air preheating; solar water heating; biomass heat and electric (combustion, gasification, pyrolysis, anaerobic digestion); and daylighting. The method rests upon the National R… more

Date: May 1, 2008

Creator: Walker, A.

Item Type: Article

Partner: UNT Libraries Government Documents Department

open access

Highlighting High Performance: Whitman Hanson Regional High School; Whitman, Massachusetts

This brochure describes the key high-performance building features of the Whitman-Hanson Regional High School. The brochure was paid for by the Massachusetts Technology Collaborative as part of their Green Schools Initiative. High-performance features described are daylighting and energy-efficient lighting, indoor air quality, solar and wind energy, building envelope, heating and cooling systems, water conservation, and acoustics. Energy cost savings are also discussed.

Date: June 1, 2006

Item Type: Report

Partner: UNT Libraries Government Documents Department

open access

Community United Methodist Church solar classroom building. Phase II

The new building reported is formed by three 20 foot by 70 foot modules, each with the long axis in the east-west direction and with a shed roof over each. Solar features include daylighting, fixed insulating shades over the clerestory windows to minimize heat loss during the winter, some operable clerestory windows for ventillation, thermal mass in the form of a concrete floor slab and dark concrete masonry walls on the north end of interior space, ceiling fans for air circulation and sensible… more

Date: January 1, 1981

Item Type: Report

Partner: UNT Libraries Government Documents Department

open access

Energy-efficient management of lighting in a Veterans Administration medical center

More thn 200 solid-state fluorescent ballasts were installed in representative areas of the Veterans Administration Medical Center in Long Beach, California, to determine the cost-effectiveness of the installation and to measure levels of conducted and radiated electromagnetic interference (EMI). The power, illumination, and EMI levels were measured first as the test sites initially existed, then after the fixtures were cleaned and relamped with energy-saving fluorescent lamps, and finally afte… more

Date: March 1, 1981

Creator: Verderber, R.R.; Arthur, A.; Morse, O. & Rubinstein, F.

Item Type: Report

Partner: UNT Libraries Government Documents Department

open access

Passive solar applications

Passive solar applications in buildings are described. The major emphasis of the research has been on devising mathematical models to characterize heat flow within buildings, on the validation of these models by comparison with test results, and on the subsequent use of the models to investigate the influence of both various design parameters and the weather on system performance. Results from both test modules and monitored buildings are discussed. Simulation analysis, the development of simpl… more

Date: January 1, 1985

Creator: Balcomb, J. D.

Item Type: Article

Partner: UNT Libraries Government Documents Department

open access

Evaluation of the near-term commercial potential of technologies being developed by the Office of Building Technologies Volune II - Survey Results

This report consists of the results from each Equipment and Practice Form completed by the program managers and principal investigators. Information collected from the Equipment and Practice Form include the following: name and description of the technology; energy characteristics; when the technology will be ready for commercialization; estimated payback period; market sectors that would benefit; important commercialization barriers to overcome; energy-related benefits; and non-energy benefits… more

Date: March 1, 1991

Creator: Weijo, R. O. (Portland General Electric Co., OR (USA)); Nicholls, A. K.; Weakley, S. A.; Eckert, R. L.; Shankle, D. L.; Anderson, M. R. et al.

Item Type: Report

Partner: UNT Libraries Government Documents Department

open access

Evaluation of the near-term commercial potential of technologies being developed by the Office of Building Technologies

This project developed an inventory of the Office of Building Technologies (OBT) from a survey administered in 1988 to program managers and principal investigators from OBT. Information provided on these surveys was evaluated to identify equipment and practices that are near-term opportunities for technology commercialization and to determine whether they needed some form of assistance from OBT to be successful in the marketplace. The near-term commercial potential of OBT technologies was asses… more

Date: March 1, 1991

Creator: Weijo, R. O. (Portland General Electric Co., OR (USA)); Nicholls, A. K.; Weakley, S. A.; Eckert, R. L.; Shankle, D. L.; Anderson, M. R. et al.

Item Type: Report

Partner: UNT Libraries Government Documents Department

open access

Progress in passive solar energy systems. Volume 8. Part 1

This book presents the papers given at a conference sponsored by the US DOE, the Solar Energy Research Institute, SolarVision, Inc., and the Southern California Solar Energy Society. The topics considered at the conference included sizing solar energy systems for agricultural applications, a farm scale ethanol production plant, the EEC wind energy RandD program, the passive solar performance assessment of an earth-sheltered house, the ARCO 1 MW photovoltaic power plant, the performance of a den… more

Date: January 1, 1983

Creator: Hayes, J. & Andrejko, D.A.

Item Type: Article

Partner: UNT Libraries Government Documents Department

open access

Daylighting design overlays for equidistant sun-path projections

Projections of the Sun's daily and seasonal paths frequently are used to solve building design problems involving site obstructions and shading of fenestration. In the United States, equidistant projections are perhaps the most widely used (compared to other sunpath projections) because of the commercial availability of a complete set of sun-path diagrams for a range of useful latitudes. This paper describes the development of a set of overlays designed for use with sun-path projections to pred… more

Date: August 1, 1981

Creator: Selkowitz, S.

Item Type: Article

Partner: UNT Libraries Government Documents Department

open access

WINDOW 4. 0: Program description. A PC program for analyzing the thermal performance of fenestration products

WINDOW 4.0 is a publicly available IBM PC compatible computer program developed by the Windows and Daylighting Group at Lawrence Berkeley Laboratory for calculating total window thermal performance indices (e.g. U-values, solar heat gain coefficients, shading coefficients, and visible transmittances). WINDOW 4.0 provides a versatile heat transfer analysis method consistent with the rating procedure developed by the National Fenestration Rating Council (NFRC). The program can be used to design a… more

Date: March 1, 1992

Item Type: Report

Partner: UNT Libraries Government Documents Department

open access

A Method of Optimizing Solar Control and Daylighting Performance in Commercial Office Buildings

We present a method for analyzing the annual cooling and lighting electricity use and peak demand associated with varying fenestration and lighting strategies in commercial office buildings. A prototypical office building module consisting of four perimeter zones and a central core zone was defined and a series of DOE-2 building energy simulations were completed to create a data base for varying fenestration and lighting system parameters. Using regression analysis procedures, we characterize e… more

Date: September 1, 1992

Creator: Sullivan, R.; Lee, E.S. & Selkowitz, S.

Item Type: Article

Partner: UNT Libraries Government Documents Department

open access

Continuing development of the DEROB system. Quarterly report, January 1, 1981-March 31, 1981. [Dynamic Energy Response of Buildings]

More accurate and efficient algorithms to calculate geometric factors and obstruction logic was developed, programmed, and tested. These new algorithms were needed in order to facilitate the incorporation of lighting, both natural and artificial, into the DEROB System. With this new set of algorithms it will be possible to hard-wire, with minimum user involvement, the highly desirable capability of calculating light propagation via light shafts, courtyards and other multispace radiation couplin… more

Date: March 1, 1981

Creator: Arumi-Noe, F

Item Type: Report

Partner: UNT Libraries Government Documents Department

open access

SLR methods for attached sunspaces

Solar load ratio (SLR) methods applied to sunspaces are reviewed. Procedures are described both for the 28 sunspace basic design types and for the design variations that can be accommodated within the SLR method. Emphasis is placed on aspects of design, operation, and analysis that relate to the production of both plants and heat. Issues discussed include geometry, shading of mass, temperature limits, and energy loss caused by the exfiltration of water vapor.

Date: January 1, 1982

Creator: Jones, R.W. & McFarland, R.D.

Item Type: Article

Partner: UNT Libraries Government Documents Department

open access

Integrated envelope and lighting technologies for commercial buildings

Fenestration systems are major contributors to peak cooling loads in commercial buildings and thus to HVAC system costs, peak electric demand, and annual energy use. These loads can be reduced significantly through proper fenestration design and the use of daylighting strategies. However, there are very few documented applications of energy-saving daylighted buildings today, which suggests that significant obstacles to efficient fenestration and lighting design and utilization still exist. This… more

Date: July 1, 1992

Creator: Selkowitz, S. & Schuman, J.

Item Type: Article

Partner: UNT Libraries Government Documents Department

open access

Building performance analysis using interactive multimedia concepts

We describe LBL's involvement with multimedia concepts by discussing several modules of an advanced computer-based building envelope design tool. The qualitative and quantitative aspects of the building design process are accommodated within the same design tool which uses object-oriented programming procedures. This computer-based concept utilizes images (buildings, landscapes, models, documents, etc.), expert systems (knowledge bases, i.e., lighting design, site planning, HVAC design, etc.), … more

Date: April 1, 1992

Creator: Selkowitz, S.; Beltran, L.; Osterhaus, W.; Papamichael, K.; Schuman, J.; Sullivan, R. et al.

Item Type: Article

Partner: UNT Libraries Government Documents Department

open access

Continuing development of the DEROB system. Quarterly report, April 1, 1981-June 30, 1981

The daylighting sky factors have been calculated for an arbitrary point. The point represents a light meter that can be located anywhere in the simulated structure, and it can be oriented in any direction desired. It reads the sky factor and it can disaggregate the first incidence component from the contributions due to reflections from surfaces, and transmissions from other spaces. The reflected and transmitted components show a marked spatial dependence. The results are compared with standard… more

Date: June 1, 1981

Creator: Francisco, A. N.

Item Type: Report

Partner: UNT Libraries Government Documents Department

open access

Ultimate in building energy analysis: DOE-2 and BLAST

Many building energy analysis tools, ranging from the simplest to the most sophisticated, are applicable to the design of large commercial buildings. This paper focuses on two of the sophisticated, detailed, and most powerful of these tools: the DOE-2 and BLAST computer programs. DOE-2 and BLAST are generally classed as high-level, computer-dynamic methods that are based on hour-by-hour computation. These tools are placed in the context of building energy analysis, and the motivation for their … more

Date: January 1, 1981

Creator: Hunn, B.D.

Item Type: Article

Partner: UNT Libraries Government Documents Department