Read Books Online and Download eBooks, EPub, PDF, Mobi, Kindle, Text Full Free.
Development Of A High Performance Air Source Heat Pump For The Us Market
Download Development Of A High Performance Air Source Heat Pump For The Us Market full books in PDF, epub, and Kindle. Read online Development Of A High Performance Air Source Heat Pump For The Us Market ebook anywhere anytime directly on your device. Fast Download speed and no annoying ads. We cannot guarantee that every ebooks is available!
Book Synopsis Development of a High Performance Air Source Heat Pump for the US Market by :
Download or read book Development of a High Performance Air Source Heat Pump for the US Market written by and published by . This book was released on 2011 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Heat pumps present a significant advantage over conventional residential heating technologies due to higher energy efficiencies and less dependence on imported oil. The US development of heat pumps dates back to the 1930 s with pilot units being commercially available in the 1950 s. Reliable and cost competitive units were available in the US market by the 1960 s. The 1973 oil embargo led to increased interest in heat pumps prompting significant research to improve performance, particularly for cold climate locations. Recent increasing concerns on building energy efficiency and environmental emissions have prompted a new wave of research in heat pump technology with special emphasis on reducing performance degradation at colder outdoor air temperatures. A summary of the advantages and limitations of several performance improvement options sought for the development of high performance air source heat pump systems for cold climate applications is the primary focus of this paper. Some recommendations for a high performance cold climate heat pump system design most suitable for the US market are presented.
Book Synopsis Heat-pump-centered Integrated Community Energy Systems: System Development Assessment by : James M. Calm
Download or read book Heat-pump-centered Integrated Community Energy Systems: System Development Assessment written by James M. Calm and published by . This book was released on 1981 with total page 296 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Heating and Cooling with Ground-Source Heat Pumps in Cold and Moderate Climates by : Vasile Minea
Download or read book Heating and Cooling with Ground-Source Heat Pumps in Cold and Moderate Climates written by Vasile Minea and published by CRC Press. This book was released on 2022-04-19 with total page 331 pages. Available in PDF, EPUB and Kindle. Book excerpt: Heating and Cooling with Ground-Source Heat Pumps in Cold and Moderate Climates: Design Principles, Potential Applications and Case Studies focuses on applications and cases studies of ground-source heat pumps in moderate and cold climates. It details technical aspects (such as materials, thermal fluid carriers and pumping, and drilling/trenching technologies), as well as the most common and uncommon application fields for basic system configurations. The principles of system integrations and applications in moderate and cold climates (such as hybrid, solar-assisted, thermo-syphon, foundation, mines, snow melting, district heating and cooling ground-source heat pump systems, etc.) are also presented, each followed by case studies. Based on the author's more than 30 years of technical experience Discusses ground-source heat pump technologies that can be successfully applied in moderate and cold climates Presents several case studies, including successful energy results, as well as the main lessons learned This work is aimed at designers of HVAC systems, as well as geological, mechanical, and chemical engineers implementing environmentally-friendly heating and cooling technologies for buildings.
Book Synopsis Heat Pumps for Cold Climate Heating by : Hui Huang
Download or read book Heat Pumps for Cold Climate Heating written by Hui Huang and published by . This book was released on 2024-01-29 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Heat Pumps for Cold Climate Heating can be used for reference by scientific researchers and engineers engaged in research on air source heat pump technology, product development and popularization; and by energy management and policy researchers.
Book Synopsis The Evolution of the U.S. Heat Pump Market by :
Download or read book The Evolution of the U.S. Heat Pump Market written by and published by . This book was released on 2011 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The heating and cooling equipment market in the United States (U.S.) evolved in the last two decades affected by the housing market and external market conditions. The average home size increased by 25% since 1999, contributing to increased average equipment size of heat pumps (HPs) and air conditioners (ACs). The home size increase did not correlate with higher residential energy used. The last decade is recognized for improved home insulation and equipment efficiency, which has made up for the larger home size and still yielded lower residential energy use. The lower energy use coincides with more homes using HPs. HP growth was supported by the price stability and affordability of electricity. The heating and cooling equipment market also seems to be rebounding faster than the housing market after the economic crises. In 2009 only 22% of HPs were sold to new homes, reflecting increased heat pump sales for add-on and replacement applications. HPs are growing in popularity and becoming an established economic technology. The increased usage of HPs will result in reduced residential heating energy use and carbon dioxide emissions.
Book Synopsis Heat Pumps for Energy Efficiency and Environmental Progress by : J. Bosma
Download or read book Heat Pumps for Energy Efficiency and Environmental Progress written by J. Bosma and published by Elsevier. This book was released on 2012-12-02 with total page 613 pages. Available in PDF, EPUB and Kindle. Book excerpt: The 70 papers collected in this volume present an up to date review of the trends in heat pump technology. The heat pump is reviewed both as being part of a more comprehensive system, and as a refined device providing energy and greenhouse gas emission reductions. Its implementation in a system or process must be carefully considered at an early stage of design or development, and process integration is discussed in detail as a valuable tool for industry.The heat pump is proving to be a highly effective energy conserving tool, particularly when designed and used as an integral part of a system. Environmental benefits are gained when energy is conserved, and heat pumps can make a major contribution in this area. However, some heat pumps use working fluids which are environmentally unfriendly, and the progress that has been made in the field of alternative refrigerants is reported on. The volume will prove an indispensable reference source on the wide-ranging applications that have been developed since the last international conference, on such topics as heat pump field trials, pilot plants and development programmes.
Book Synopsis Geothermal Heat Pumps: Installation Guide by : Stephen K. Ewings
Download or read book Geothermal Heat Pumps: Installation Guide written by Stephen K. Ewings and published by Stephen K Ewings. This book was released on 2008-10 with total page 246 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Heat Pumps for Sustainable Heating and Cooling by : Y. H. Venus Lun
Download or read book Heat Pumps for Sustainable Heating and Cooling written by Y. H. Venus Lun and published by Springer Nature. This book was released on 2019-11-13 with total page 137 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book highlights the significance of using sustainable energy to prevent the deterioration of our planet using heat pumps. Energy sustainability can be achieved through improved energy efficiency. In this regard, heat pumps offer an energy-efficient alternative for heating and cooling. To drive the adoption of heat pumps as a key component of sustainable buildings, the authors focus on examining sustainable practices in heat pump operations and innovative system design. In view of the growing desire to use sustainable energy to meet heating and cooling demands and improve indoor air quality, this book offers a valuable reference guide to the available options in HVAC (heating, ventilation, and air-conditioning) system design. To begin with, the authors define sustainable energy and discuss the trend of “thinking green” in building design. They then discuss sustainable practices and heat pump applications in mapping out HVAC systems. In turn, they examine the use of green operations to promote sustainable practices and, in order to highlight the importance of innovative design, discuss the configuration options and precision control aspects. In closing, the authors illustrate innovative sustainable design on the basis of several energy-efficient cases. The book’s main goal is to drive the adoption of sustainable energy solutions. Heat pumps, it argues, represent the most efficient system for meeting commercial/recreational/residential heating and cooling demands. The book not only examines industrial practices in heat pump application, but also discusses advanced heat pump technologies and innovative heat pump designs.
Book Synopsis U.S. Heat Pump Research and Development Projects by :
Download or read book U.S. Heat Pump Research and Development Projects written by and published by . This book was released on 1982 with total page 206 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Heat Pump Systems by : International Energy Agency
Download or read book Heat Pump Systems written by International Energy Agency and published by . This book was released on 1982 with total page 208 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Nordsyn study on air-to-air heat pumps in humid Nordic climate by : Stignor, Caroline Haglund
Download or read book Nordsyn study on air-to-air heat pumps in humid Nordic climate written by Stignor, Caroline Haglund and published by Nordic Council of Ministers. This book was released on 2019-05-09 with total page 97 pages. Available in PDF, EPUB and Kindle. Book excerpt: This study was performed for Nordsyn sponsored by Nordic Council of Ministers. The aim was to analyse if the energy labels of air-to-air heat pumps give consumers in Nordic countries sufficient information on energy performance, since declared performance was suspected to be higher than in reality. Due to very few field measurements available, this suspicion could not be confirmed nor rejected. It was found that many heat pumps are declared for lower capacities compared to their intended use in the Nordic countries, to obtain a higher SCOP value on the energy label. Market surveillance tests show that it has become rarer that heat pumps defrost during the laboratory tests. Altogether the study shows that the current energy label does not give clear guidance to the consumer. Recommendations for field measurements as well as suggestions for standard and regulation developments are given.
Book Synopsis Advanced Variable Speed Air Source Integrated Heat Pump (AS-IHP) Development - CRADA Final Report by :
Download or read book Advanced Variable Speed Air Source Integrated Heat Pump (AS-IHP) Development - CRADA Final Report written by and published by . This book was released on 2015 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Between August 2011 and September 2015, Oak Ridge National Laboratory (ORNL) and Nordyne, LLC (now Nortek Global HVAC LLC, NGHVAC) engaged in a Cooperative Research and Development Agreement (CRADA) to develop an air-source integrated heat pump (AS-IHP) system for the US residential market. Two generations of laboratory prototype systems were designed, fabricated, and lab-tested during 2011-2013. Performance maps for the system were developed using the latest research version of the DOE/ORNL Heat Pump Design Model, or HPDM, (Rice 1991; Rice and Jackson 2005; Shen et al 2012) as calibrated against the lab test data. These maps were the input to the TRNSYS (SOLAR Energy Laboratory, et al, 2010) system to predict annual performance relative to a baseline suite of equipment meeting minimum efficiency standards in effect in 2006 (combination of 13 SEER air-source heat pump (ASHP) and resistance water heater with Energy Factor (EF) of 0.9). Predicted total annual energy savings, while providing space conditioning and water heating for a tight, well insulated 2600 ft2 (242 m2) house at 5 U.S. locations, ranged from 46 to 61%, averaging 52%, relative to the baseline system (lowest savings at the cold-climate Chicago location). Predicted energy use for water heating was reduced 62 to 76% relative to resistance WH. Based on these lab prototype test and analyses results a field test prototype was designed and fabricated by NGHVAC. The unit was installed in a 2400 ft2 (223 m2) research house in Knoxville, TN and field tested from May 2014 to April 2015. Based on the demonstrated field performance of the AS-IHP prototype and estimated performance of a baseline system operating under the same loads and weather conditions, it was estimated that the prototype would achieve ~40% energy savings relative to the minimum efficiency suite. The estimated WH savings were>60% and SC mode savings were>50%. But estimated SH savings were only about 20%. It is believed that had the test house been better insulated (more like the house used for the savings predictions noted above) and the IHP system nominal capacity been a bit lower that the energy savings estimate would have been closer to 45% or more (similar to the analytical prediction for the cold climate location of Chicago).
Book Synopsis Geothermal Heat Pumps by : Karl Ochsner
Download or read book Geothermal Heat Pumps written by Karl Ochsner and published by Earthscan. This book was released on 2008 with total page 167 pages. Available in PDF, EPUB and Kindle. Book excerpt: This leading manual presents the most recent information and market developments in order to put any installer, engineer or architect in the position to design, select and install a domestic geothermal heat pump system.
Book Synopsis Development of a Variable Speed Ground Source Heat Pump by : Robert Stuart Falls
Download or read book Development of a Variable Speed Ground Source Heat Pump written by Robert Stuart Falls and published by . This book was released on 1992 with total page 202 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Heat Pump Systems by : Harry J. Sauer (Jr.)
Download or read book Heat Pump Systems written by Harry J. Sauer (Jr.) and published by Wiley-Interscience. This book was released on 1983-08-30 with total page 744 pages. Available in PDF, EPUB and Kindle. Book excerpt: A comprehensive introduction to the fundamentals, performance, design, cost, and selection of heat pumps. Utilizes life-cycle costing to determine operating and owning costs. Examines load and energy estimating, pump design, and more. Reviews the historical evolution of heat pump technology and demonstrates the design pitfalls of early models.
Author :American Society of Mechanical Engineers. Winter Annual Meeting Publisher :American Society of Civil Engineers ISBN 13 : Total Pages :158 pages Book Rating :4.3/5 (91 download)
Book Synopsis Recent Research in Heat Pump Design, Analysis, and Application by : American Society of Mechanical Engineers. Winter Annual Meeting
Download or read book Recent Research in Heat Pump Design, Analysis, and Application written by American Society of Mechanical Engineers. Winter Annual Meeting and published by American Society of Civil Engineers. This book was released on 1992 with total page 158 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Development of a High Performance Cold Climate Heat Pump by :
Download or read book Development of a High Performance Cold Climate Heat Pump written by and published by . This book was released on 2014 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The primary goals of the proposed project were to develop, test, and evaluate a high performance and cost-effective vapor compression air-source heat pump for use in cold climate regions. Vapor compression heat pumps are a proven technology, and have been used for many years to meet heating requirements for buildings in residential, commercial, and industrial applications. However, in climate regions that experience very low outdoor ambient temperatures both the heating capacity and coefficient of performance (COP) of traditional air-source vapor compression heat pumps drops dramatically with a decrease in the outdoor air temperature. The efficiency of heat pumping equipment has improved substantially over the past 20 years; however, the efficiencies of the highest rated equipment on the market are approaching practical limits that cannot be surpassed without modifications to the basic cycle and possibly the use of additional hardware. In this report, three technologies to improve the efficiency of vapor compression systems are described. These are a) vapor injected compression, b) oil flooded compression and c) hybrid flow control of the evaporator. Compressor prototypes for both, oil flooded and vapor injected compression were developed by Emerson Climate Technologies. For the oil flooded compressor, the oil injection port location was optimized and an internal oil separator was added using several design iterations. After initial testing at Emerson Climate Technologies, further testing was done at Purdue University, and compressor models were developed. These models were then integrated into a system model to determine the achievable improvement of seasonal energy efficiency (SEER) for Minneapolis (Minnesota) climate. For the oil flooded compression, a 34% improvement in seasonal energy efficiency was found while a 21% improvement in seasonal energy efficiency ratio was found for the vapor injected compression. It was found that one benefit of both tested compression technologies is a lower discharge temperature, which allows for continued operation at lower ambient temperatures. A bin analysis of the vapor injected prototype cold climate heat pump predicts a 6% improvement in HSPF for Minneapolis. This improvement is mainly a result of the increased capacity of the system for active vapor injection. For the oil flooded system, a slightly larger performance improvement is predicted, in this case mostly caused by an increase in heating COP. Based on an economic analysis of these results, the maximum additional cost of the system changes, for the Minneapolis location, are $430 for the vapor injected system and $391 for the oil flooded system. These estimates assume that a 3-year simple payback period is accepted by the customer. For the hybrid flow control of evaporators, a new type of balancing valve was developed together with Emerson Climate technologies to reduce the cost of the control scheme. In contrast to conventional stepper motor valves, this valve requires less cables and can be driven by a cheaper output circuit on the control board. The correct valve size was determined in a dedicated test stand in several design iterations. The performance benefits of the hybrid control of the evaporator coil were determined for clean coil conditions as well as with partial blockage of the air inlet grille and under frosting conditions. For clean coil conditions, the benefits in terms of COP and capacity are negligible. However, significant benefits were noted for severely air-maldistributed operating conditions. For the H2-test, the maximum COP improvement of 17% along with a capacity improvement of nearly 40% was observed. Overall, the hybrid control scheme leads to a significant amount of performance improvement, if the air inlet conditions to the evaporator are maldistributed.
