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U735: Humidity Control: State-of-the-Art Review

Humidity and humidity control issues are key factor in human comfort and indoor air quality. The Canadian Electrical Association recognized the importance of assessing the state-of-the-art with respect to humidity control and providing its members with an up to date information package on that topic. Information is provided on the pros and cons of using humidifiers and dehumidifiers in houses and areas requiring further research. The paper begins with an introduction to humidity and the various

May 1, 1990 - Oct 1, 1990

ADO

DSM

Research

U511: Aging of NMD-7 Wire Insulation

The main objective of this study was to investigate whether high temperature accelerated aging can be used to predict insulation life of NMD-7 residential wiring design consisting of PVC insulation with a protective nylong sheath. The investigation also included a study of the aging characteristics of NMD-7 construction insulated with crosslinked polyethylene (XLPE).

Nov 1, 1985 - Jan 1, 1990

ADO

DSM

Research

U558: Old Residential Circuit Breaker Type Panel Boards Branch Circuit Breaker Tripping Characteristics

Branch circuit breakers are installed in many residential households for reasons of convenience, ease of maintenance and proper circuit loading protection. However, it is not known whether branch circuit breakers would remain serviceable when subjected to the effects of aging and heavy loading over a period of time. This project carried out on-site tests of old residential branch circuit breakers at selected homes and laboratory tests of new branch circuit breakers to verify the operation and mo

Jan 1, 1987 - Dec 1, 1987

ADO

DSM

Research

U576: Demonstration of Hybrid Forced-Air/Radiant Slab Heating System

The objective of this program was to qather performance data on a hybrid forced-air/radiant-slab heating system. An existing building, which incorporated two heat pumps and a radiant floor, was monitored to establish the operating characteristics of the system. Due to a building ownership change coupled with time and cost constraints, only limited operational data could be gathered. An additional feature of the system is a "load shaving" control circuit on the radiant floor. The building heating

Jan 1, 1987 - Jul 1, 1989

ADO

DSM

Research

U666: State-of-the-Art Review on Electrodialysis

The objective of this report was to provide a general assessment of the technical, economic and energy saving merits of electrodialysis (ED) and the potential market for this technology in Canadian industry. The approach taken was to review the state-of-the-art in ED technology, identify major commercial applications, compare ED's performance in these applications with those of competing technologies and comment on the potential market for each application in Canada.New applications were also id

Jan 1, 1989 - Mar 1, 1990

ADO

DSM

Research

U733: Development of the Microwave Rendering Process

The application of microwaves to the rendering of a variety of beef, pork, poultry, and fish wastes was tested at a pilot-scale. Microwave rendering was found to be best applied to edible fat processing. Processing of fish wastes may also have promise using microwaves.The use of microwaves for processing of beef, pork, or poultry wastes are technically possible, but not economically feasible. Based on earlier work by Mr. Les Bird in the United States, a 12 kW continuous pilot-scale microwave ove

Dec 1, 1989 - Mar 1, 1991

ADO

DSM

Research

U653: A Study of Ozone Treatment at Canadian Water Plants

The prospect of improving Canadian drinking water quality through implementation of ozone treatment are examined in this paper. The increase in electrical demand associated with the increased use of ozone treatment are examined in three different scenarios. The results of two surveys are presented showing data relevant to the current drinking water quality in Canadian municipalities, and the power consumption of ozonation facilities presently in operation throughout the world.Site investigations

Jun 30, 1988

ADO

DSM

Research

U536: Development of a High Temperature Industrial Heat Pump Laboratory

Conclusions/Recommendations: The 86 responses from the total of 130 receiving the questionnaire is a response rate of 66.2%, which provides evidence of a high level of interest in the subject, and a valid representation of firms, agencies, and organizations under each category. A dedicated heat pump laboratory with even modest scope to address the parameters suggested in the survey responses would cost in the range of 1.75 ro over $3 million. Annual cost for operations, maintenance and capital s

Jan 1, 1986 - Sep 1, 1986

ADO

DSM

Research

U635: Preparation of Ultrafine Silicon Nitride Powders Using R.F. Plasma Technology

The objective of the project was to study the high temperature plasma synthesis of high purity, ultrafine silicon nitride powders through the reaction of SiCl4 with NH3.

Oct 1, 1988 - Dec 1, 1989

ADO

DSM

Research

U779: Electrotechnologies Applied to Commercial Greenhouses

A project on the use of electrotechnologies for lighting, heating and air conditioning in greenhouses has been completed. The project was carried out over a 3-year period and was conducted in four glass greenhouses equipped with four different electric heating and cooling systems, as well as with HPS lamps. The four systems used were: hot-air convection heating with underground heat storage unit, hot water heating, direct infrared heating, and air-to-water reversible heat pump with underground t

Jul 1, 1990 - Dec 1, 1992

ADO

DSM

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