Download or read book Flat plate Solar Collectors with Slat Convection Suppression Devices written by Jeff G. Symons and published by . This book was released on 1982 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Cost Study of the CSIRO Flat Plate Collector with Slat CSD written by C. T. Hall and published by . This book was released on 1983 with total page 39 pages. Available in PDF, EPUB and Kindle. Book excerpt: Solar thermal flat plate collector technology is well established, with a strong manufacturing base already existing in Australia. Flat plate collectors are not widely used for high temperature (greater than 100 deg.C) applications. Take-off of the market is expected after 1985. A recent development by CSIRO Division of Energy Technology is the slat convection suppression device (CSD). It has been shown that North-South slats perform as well as honeycomb structures, and at collector tilt angles greater than 25 deg., the performance is independent of the tilt angle. A prototype high temperature 2m2 collector was designed with an aspect ratio of 12, using FEP Teflon (by DU PONT) Type 50A as the slat material. For such a collector, approximately 23m2 of Teflon is required, at an approximate cost of $40.00. For collectors with aspect ratios of 6 (e.g. retrofit of medium temperature collectors), the additional material cost would be approximately $20.00. The cost of materials will have a greater influence than labour and equipment overheads on the cost of collectors with slat CSD's. Retrofitting of medium temperature collectors with CSD's will not be cost effective, since the installed cost would be increased by approximately 50%. Similarly for collectors manufactured with a CSD (aspect ratio = 6). Based on a typical model of costing for our manufacturing industry, the cost of high temperature collectors with CSD's could be $215m(-2), compared with the current high temperature flat plate collector cost of approximately $135m(-2) The CSIRO flat plate collector with slat CSD is the most cost effective collector for load temperatures in the range of 80 deg.C to 120 deg.C. The temperature range of 80 deg.C - 120 deg.C would mostly suit commercial applications. The market potential has been estimated at a yearly average of 240,000m2 between 1986 and 2000.
Download or read book Convection Suppression in Flat Plate Solar Collectors by the Use of Square Celled Honeycombs written by Christopher James Ford and published by . This book was released on 1987 with total page 142 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Calculation of the Transmittance absorptance Product for Flat plate Collectors with Convection Suppression Devices written by Jeff G. Symons and published by . This book was released on 1984 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Methods for Reducing Heat Losses from Flat Plate Solar Collectors written by K. G. T. Hollands and published by . This book was released on 1978 with total page 78 pages. Available in PDF, EPUB and Kindle. Book excerpt: Improvements to flat plate solar collectors for heating and cooling of buildings were investigated through two parallel studies. The first study, which deals with the free convective heat loss from V-corrugated absorber plate to a plane glass cover, has shown that, for the same average spacing, the free convective heat loss is greater for a V-corrugated absorber plate than for a plane absorber plate. However, provided the average spacing is large enough, the amount of increase is slight. The second study, which deals with the free convective heat loss in a honeycomb solar collector in which the honeycomb consists of a set of horizontal partitions, or slits, has shown that provided the solar collector is tilted to near vertical, such a honeycomb gives equivalent or superior free convective loss suppression than does a square-celled honeycomb having the same amount of material. Correlation equations for the free convective heat loss are given for both studies.
Download or read book Flat Plate Thermal Solar Collectors written by Per Isakson and published by . This book was released on 1980 with total page 114 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Methods for Reducing Heat Losses from Flat Plate Solar Collectors written by and published by . This book was released on 1978 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Improvements to flat plate solar collectors for heating and cooling of buildings were investigated through two parallel studies. The first study, which deals with the free convective heat loss from V-corrugated absorber plate to a plane glass cover, has shown that, for the same average spacing, the free convective heat loss is greater for a V-corrugated absorber plate than for a plane absorber plate. However, provided the average spacing is large enough, the amount of increase is slight. The second study, which deals with the free convective heat loss in a honeycomb solar collector in which the honeycomb consists of a set of horizontal partitions, or slits, has shown that provided the solar collector is tilted to near vertical, such a honeycomb gives equivalent or superior free convective loss suppression than does a square-celled honeycomb having the same amount of material. Correlation equations for the free convective heat loss are given for both studies.
Download or read book Studies on Methods of Reducing Heat Losses from Flat Plate Solar Collectors written by K. G. T. Hollands and published by University of Waterloo Research Institute. This book was released on 1976 with total page 129 pages. Available in PDF, EPUB and Kindle. Book excerpt: Improvements to flat plate solar collectors for heating and cooling of buildings have been evaluated through three parallel studies. The first study has demonstrated suppression of free convection by a honeycomb at all angles of inclination. Reductions by a factor of 5 in the free convective heat loss are reported, and equations and charts permitting the rational design of honeycombs for convection suppression in solar collectors are presented. The second study has resulted in a precise, easily programmable set of equations for the free convective heat loss through the air gaps in flat plate solar collectors, for any angle of tilt. The third study has theoretically and experimentally demonstrated that the solar transmittance of a flat transparent cover for a solar collector can be very substantially increased by V-corrugating. Since V-corrugating should also decrease the free convective and radiant losses, substantial improvements in collector efficiency are predicted.
Download or read book Proceedings written by Delbert B. Ward and published by . This book was released on 1977 with total page 680 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Development of Proposed Standards for Testing Solar Collectors and Thermal Storage Devices written by Center for Building Technology and published by . This book was released on 1976 with total page 272 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book An Introduction to Solar Collectors for Heating and Cooling of Buildings and Domestic Hot Water Heating written by J. Paul Guyer, P.E., R.A. and published by Guyer Partners. This book was released on 2018-01-16 with total page 98 pages. Available in PDF, EPUB and Kindle. Book excerpt: Introductory technical guidance for mechanical engineers and other professional engineers interested in solar collectors. Here is what is discussed: 1. INTRODUCTION 1.1 SCOPE 1.2 RELATED CRITERIA 1.3 SOLAR ENERGY 2. FLAT PLATE SOLAR COLLECTORS 2.1 COLLECTORS 2.2 ENERGY STORAGE AND AUXILIARY HEAT 2.3 DOMESTIC HOT WATER SYSTEMS (DHW) 2.4 THERMOSYPHON, BATCH AND INTEGRAL COLLECTOR SYSTEMS 2.5 SPACE HEATING AND DHW SYSTEMS 2.6 PASSIVE SYSTEMS 2.7 SOLAR COOLING SYSTEMS 2.8 SYSTEM CONTROLS.
Download or read book Energy a Continuing Bibliography with Indexes written by and published by . This book was released on 1982 with total page 752 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Solar World Congress written by International Solar Energy Society. Congress and published by . This book was released on 1983 with total page 670 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Studies on Methods of Reducing Heat Losses from Flat Plate Solar Collectors written by K. G. T. Hollands and published by . This book was released on 1975 with total page 59 pages. Available in PDF, EPUB and Kindle. Book excerpt: Improvements to flat plate solar collectors for heating and cooling of buildings are being evaluated by three parallel studies. The first study has demonstrated that suppression of convective heat transfer by honeycomb panels is possible even when the panel is inclined from the horizontal. The second study has resulted in a precise, simple equation for the free convective heat transfer through an inclined air layer. The third study has theoretically demonstrated that if an inner cover is V-corrugated, its solar transmittance may be enhanced.
Download or read book Studies on Methods of Reducing Heat Losses from Flat Plate Solar Collectors Progress Report August 1 1974 January 31 1976 written by and published by . This book was released on 1976 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Improvements to flat plate solar collectors for heating and cooling of buildings have been evaluated through three parallel studies. The first study has demonstrated suppression of free convection by a honeycomb at all angles of inclination. Reductions by a factor of 5 in the free convective heat loss are reported, and equations and charts permitting the rational design of honeycombs for convection suppression in solar collectors are presented. The second study has resulted in a precise, easily programmable set of equations for the free convective heat loss through the air gaps in flat plate solar collectors, for any angle of tilt. The third study has theoretically and experimentally demonstrated that the solar transmittance of a flat transparent cover for a solar collector can be very substantially increased by V-corrugating. Since V-corrugating should also decrease the free convective and radiant losses, substantial improvements in collector efficiency are predicted.
Download or read book Flat Plate Solar Collectors and Their Application to Dwellings written by A. Eggers-Lura and published by . This book was released on 1976 with total page 242 pages. Available in PDF, EPUB and Kindle. Book excerpt:
