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Development Of High Efficiency Gas Fired Domestic Water Heater
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Book Synopsis Development of High Efficiency Gas-fired Domestic Water Heater by :
Download or read book Development of High Efficiency Gas-fired Domestic Water Heater written by and published by . This book was released on 1987 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Final report on the design, development, construction and evaluation of a prototype high efficiency condensing water heater with a limited inputcapacity of 60,000 BTUH, all necessary safety controls,and a supply of combustionair preheated by the exiting flue gases passing through the wall of thehouse. Technical specifications and manufacturing analysis are also given.
Book Synopsis Research and Development of a High Efficiency Gas-fired Water Heater by : Oak Ridge National Laboratory
Download or read book Research and Development of a High Efficiency Gas-fired Water Heater written by Oak Ridge National Laboratory and published by . This book was released on 1980 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Research and Development of a High Efficiency Gas-fired Water Heater by :
Download or read book Research and Development of a High Efficiency Gas-fired Water Heater written by and published by . This book was released on 1980 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Residential Water Heating Program by : Douglas Kosar
Download or read book Residential Water Heating Program written by Douglas Kosar and published by . This book was released on 2012 with total page 344 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Research and Development of a High-efficiency Gas-fired Water Heater by : Andrew D. Vasilakis
Download or read book Research and Development of a High-efficiency Gas-fired Water Heater written by Andrew D. Vasilakis and published by . This book was released on 1983 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Research and Development of a High Efficiency Gas-fired Water Heater. Volume 1. Final Report Summary by :
Download or read book Research and Development of a High Efficiency Gas-fired Water Heater. Volume 1. Final Report Summary written by and published by . This book was released on 1980 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: A summary of the work performed to design and develop a cost-effective high efficiency gas-fired water heater is presented. Details on the project plan showing the allocation of financial and personnel resources, the technical approach, the timing of principal events, decision, and milestones are described (Task 1). Studies necessary to determine the marketability of the high efficiency heaters in the residential sector are performed for Task 2. The necessary work to develop, fabricate, and test a prototype unit as specified in Task 2 is identified in Task 3. Test and evaluation specifications are also identified in Task 3. Task 4 consists of preparing the project plan for the production and field demonstration of the gas-fired water heater. (MCW).
Book Synopsis Development and Validation of a Gas-Fired Residential Heat Pump Water Heater - Final Report by :
Download or read book Development and Validation of a Gas-Fired Residential Heat Pump Water Heater - Final Report written by and published by . This book was released on 2013 with total page 84 pages. Available in PDF, EPUB and Kindle. Book excerpt: For gas-fired residential water heating, the U.S. and Canada is predominantly supplied by minimum efficiency storage water heaters with Energy Factors (EF) in the range of 0.59 to 0.62. Higher efficiency and higher cost ($700 - $2,000) options serve about 15% of the market, but still have EFs below 1.0, ranging from 0.65 to 0.95. To develop a new class of water heating products that exceeds the traditional limit of thermal efficiency, the project team designed and demonstrated a packaged water heater driven by a gas-fired ammonia-water absorption heat pump. This gas-fired heat pump water heater can achieve EFs of 1.3 or higher, at a consumer cost of $2,000 or less. Led by Stone Mountain Technologies Inc. (SMTI), with support from A.O. Smith, the Gas Technology Institute (GTI), and Georgia Tech, the cross-functional team completed research and development tasks including cycle modeling, breadboard evaluation of two cycles and two heat exchanger classes, heat pump/storage tank integration, compact solution pump development, combustion system specification, and evaluation of packaged prototype GHPWHs. The heat pump system extracts low grade heat from the ambient air and produces high grade heat suitable for heating water in a storage tank for domestic use. Product features that include conventional installation practices, standard footprint and reasonable economic payback, position the technology to gain significant market penetration, resulting in a large reduction of energy use and greenhouse gas emissions from domestic hot water production.
Book Synopsis Research and Development of a High Efficiency Gas-fired Water Heater. Volume 2. Task Reports by :
Download or read book Research and Development of a High Efficiency Gas-fired Water Heater. Volume 2. Task Reports written by and published by . This book was released on 1980 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Design and development of a cost-effective high efficiency gas-fired water heater to attain a service efficiency of 70% (including the effect of exfiltration) and a service efficiency of 78% (excluding exfiltration) for a 75 GPD draw at a 90°F temperature rise, with a stored water to conditioned air temperature difference of 80°F, are described in detail. Based on concept evaluation, a non-powered natural draft water heater was chosen as the most cost-effective design to develop. The projected installed cost is $374 compared to $200 for a conventional unit. When the project water heater is compared to a conventional unit, it has a payback of 3.7 years and life cycle savings of $350 to the consumer. A prototype water heater was designed, constructed, and tested. When operated with sealed combustion, the unit has a service efficiency of 66.4% (including the effect of exfiltration) below a burner input of 32,000 Btu/h. In the open combustion configuration, the unit operated at a measured efficiency of 66.4% Btu/h (excluding exfiltration). This compares with a service efficiency of 51.3% for a conventional water heater and 61% for a conventional high efficiency unit capable of meeting ASHRAE 90-75. Operational tests showed the unit performed well with no evidence of stacking or hot spots. It met or exceeded all capacity or usage tests specified in the program test plan and met all emission goals. Future work will concentrate on designing, building, and testing pre-production units. It is anticipated that both sealed combustion and open draft models will be pursued.
Book Synopsis Development of a Commercial High Efficiency Water Heater by : H. A. Tikiryan
Download or read book Development of a Commercial High Efficiency Water Heater written by H. A. Tikiryan and published by . This book was released on 1984 with total page 34 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Development of a Market Optimized Condensing Gas Water Heater by : Peter Pescatore
Download or read book Development of a Market Optimized Condensing Gas Water Heater written by Peter Pescatore and published by . This book was released on 2006 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: This program covered the development of a market optimized condensing gas water heater for residential applications. The intent of the program was to develop a condensing design that minimized the large initial cost premium associated with traditional condensing water heater designs. Equally important was that the considered approach utilizes design and construction methods that deliver the desired efficiency without compromising product reliability. Standard condensing water heater approaches in the marketplace utilize high cost materials such as stainless steel tanks and heat exchangers as well as expensive burner systems to achieve the higher efficiencies. The key in this program was to develop a water heater design that uses low-cost, available components and technologies to achieve higher efficiency at a modest cost premium. By doing this, the design can reduce the payback to a more reasonable length, increasing the appeal of the product to the marketplace. Condensing water heaters have been in existence for years, but have not been able to significantly penetrate the market. The issue has typically been cost. The high purchase price associated with existing condensing water heaters, sometimes as much as $2000, has been a very difficult hurdle to overcome in the marketplace. The design developed under this program has the potential to reduce the purchase price of this condensing design by as much as $1000 as compared to traditional condensing units. The condensing water heater design developed over the course of this program led to an approach that delivered the following performance attributes: 90%+ thermal efficiency; 76,000 Btu/hr input rate in a 50 gallon tank; First hour rating greater than 180 gph; Rapid recovery time; and Overall operating condition well matched to combination heat and hot water applications. Over the final three years of the program, TIAX worked very closely with A.O. Smith Water Products Company as our commercial partner to optimize the design for manufacturing. This work included the initiation of a large field testing program (over 125 units) and an in-depth reliability program intended to minimize the risks associated with a new product introduction. At the time of this report, A.O. Smith plans to introduce this product to the marketplace in the early 2006 time period.
Download or read book Energy Research Abstracts written by and published by . This book was released on 1992 with total page 602 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Development of High Efficiency Carbon Dioxide Commercial Heat Pump Water Heater by :
Download or read book Development of High Efficiency Carbon Dioxide Commercial Heat Pump Water Heater written by and published by . This book was released on 2012 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Although heat pump water heaters are today widely accepted in both Japan and Europe, where energy costs are high and government incentives for their use exist, acceptance of such products in the US has been limited. While this trend is slowly changing with the introduction of heat pump water heaters into the residential market, but acceptance remains low in the commercial sector. The objective of the presented work is the development of a high efficiency R744 heat pump water heater for commercial applications with effective utilization of the cooling capability for air conditioning and/or refrigeration. The ultimate goal is to achieve total system COP of up to 8. This unit will be targeted at commercial use where some cooling load is typically needed year round, such as restaurants, hotels, nursing homes, and hospitals. This paper presents the performance results from the development of four R744 commercial heat pump water heater packages of approximately 35 kW and comparison to a commercially available baseline R134a unit of the same capacity and footprint. In addition, the influences of an internal heat exchanger and an enhanced evaporator on the system performance are described and recommendations are made for further improvements of the R744 system.
Book Synopsis Super Efficient Gas Water Heating Appliance Initiative by :
Download or read book Super Efficient Gas Water Heating Appliance Initiative written by and published by . This book was released on 2008 with total page 144 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Domestic Water Heating Design Manual by : American Society of Plumbing Engineers
Download or read book Domestic Water Heating Design Manual written by American Society of Plumbing Engineers and published by . This book was released on 1998-01-01 with total page 320 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Highly Efficient Commercial Pulse-combustion Gas-fired Water Heater by :
Download or read book Highly Efficient Commercial Pulse-combustion Gas-fired Water Heater written by and published by . This book was released on 1982 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Development of a High Capacity Two-phase Thermosyphon Gas-fired Water Heater by : H. Grunes
Download or read book Development of a High Capacity Two-phase Thermosyphon Gas-fired Water Heater written by H. Grunes and published by . This book was released on 1984 with total page 48 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :United States. Congress. House. Committee on Science and Technology Publisher : ISBN 13 : Total Pages :1368 pages Book Rating :4.F/5 ( download)
Book Synopsis 1979 Department of Energy authorization by : United States. Congress. House. Committee on Science and Technology
Download or read book 1979 Department of Energy authorization written by United States. Congress. House. Committee on Science and Technology and published by . This book was released on 1978 with total page 1368 pages. Available in PDF, EPUB and Kindle. Book excerpt:
