3 edition of Analysis of the impact of heat pump technology on the Irish energy system to the year 2000 found in the catalog.
Analysis of the impact of heat pump technology on the Irish energy system to the year 2000
1977 by Stationery Office : [sold by] Government Publications Sale Office in Dublin .
Written in English
|Statement||by John Brady.|
|Series||Energy case study series ;, no. 2|
|Contributions||National Science Council (Ireland)., National Science Council (Ireland). Energy Group.|
|LC Classifications||TH7638 .B72|
|The Physical Object|
|Pagination||102 p. :|
|Number of Pages||102|
|LC Control Number||78317071|
Wind power or wind energy is the use of wind to provide the mechanical power through wind turbines to turn electric generators and traditionally to do other work, like milling or pumping. Wind power is a sustainable and renewable energy, and has a much smaller impact on the environment compared to burning fossil fuels.. Wind farms consist of many individual wind turbines, which are connected. Renewable energy use in the electricity sector was the furthest from its target of just over 8 percentage points below its target for the year. Renewable energy use in the electricity sector has been shown to rise quickly in other years and in other countries so Ireland may move closer to achieving its targets in the next few years. Renewables is the IEA market analysis and forecast from to on renewable energy and provides global trends and developments for renewable energy in the electricity, heat and transport sectors. The analysis this year contains an in-depth look at bioenergy, the world’s largest source of renewable energy, highlighting the untapped potential of modern bioenergy and. KEY WORDS: Heat pump Simulation Ra INTRODUCTION A simulation model for the vapour compression heat pump is developed in this paper. For a given geometry and set of operating conditions, the model is used to predict system performance. Figure 1 shows a vapour compression heat pump with its basic components.
an air conditioner or heat pump is able to remove from an enclosed space during a one-hour period. E. Energy Efficiency Ratio (EER): EER is a measure of efficiency in the cooling mode that represents the ratio of total cooling capacity (Btu/hour) to electrical energy input (Watts).
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HPWH technology reemerged, this time backed with improved heat pump technology. Oak Ridge National Laboratory (ORNL) tested both addon and integrated - units in Their field and laboratory tests showed that HPWHs use about half the energy to heat domestic hot water when compared to an electric resistance water heater (Levins ).
Air to Air Heat Pump. Daikin’s versatile air to air heat pumps are ideal, whether you are renovating your home or involved in a new build project. Whatever the age of your property, you can depend on a Daikin heat pump air conditioning solution to last for many years to.
GeoCool experiment was designed to allow a fair comparison between a ground coupled heat pump system and an air source heat pump system. The results of this experiment after comparing the efficiency of both systems during its first operational year were that the ground coupled system saves, in terms of primary energy consumption, a % of Cited by: For climates with moderate heating and cooling needs, heat pumps offer an energy-efficient alternative to furnaces and air conditioners.
Like your refrigerator, heat pumps use electricity to move heat from a cool space to a warm space, making the cool space cooler and the warm space warmer. During the heating season, heat pumps move heat from the cool outdoors into your warm.
A part of the primary energy resources is consumed in space heating and domestic hot water. The goal of energy utilization reduction set by Sweden is reducing 20% of the energy demand in buildings sector by The heat pump system driven by wind power is an attractive solution to produce thermal energy.
This paper makes an introduction of the working principle and the technical and economic benefits of the combined ground-source heat pump and water energy storage system.
And then according to the characteristic of this system itself and its mode of operation, we can point out that the energy storage rate, the local policy of electricity price and the strategy of operation are the main factors Author: Xiao Ting Wu, Ling Xia Kong, Chun Mei Guo, Bin Hu.
Firstly, the system model was built up with TRNSYS. As Fig. 1 shows the model is mainly composed of heat pump, water pump, flow diverter, flow mixer, BHE and energy storage tank.
There are 4 circulations involved in the compound system, circulation 1 is the heat pump energy supply process, circulation 2 is water tank energy supply process, circulation 3 is energy storage process, and Cited by: 4. A new heat pump desiccant dehumidifier for supermarket application, Energy and BuildiKarabacak R., Atalay O., Comparison of drying characteristics of tomatoes with heat pump dehumidifier system, solar-assisted system and natural drying, Journal of Food, Agriculture & Environment, Vol.8 (2):- Ground source heat pumps (GSHP) in particular, are an efficient form of renewable energy used for space heating and cooling.
This heat pump uses pipes which are stored beneath the ground in order to extract heat from the earth. This system is reliant on the fact that the earth is a fairly constant temperature.
This paper analyzes heat pumps with radiators or underfloor heating distribution systems coupled with TES with a view to showing how a heat pump system behaves and how it influences the building. Irish TIMES is a partial equilibrium model of Ireland’s energy system, built with TIMES, the techno-economic modelling tool developed by IEA-ETSAP.1 TIMES (The Integrated MARKAL-EFOM System) is a linear programming model generator, which provides a technology-rich basis for estimating energy dynamics over a long-term, multiple-period time.
compressor, solar-assisted heat pump water heaters, alternative refrigerant technology for a compressor HPWH, frosting/defrosting of an air source heat pump water heater, tank of HPWH, and so on.
Compressor. Vapor compression heat pump is widely used in heat pump water heaters. As the compressor is the major component in a HPWH, advances in. Orca Heat Pumps. Although we are the leading, Irish agents of Orca heat pumps; we’re without bias when we say that Orca air to water heat pumps are Ireland’s top and most reliable brand of heat pump.
Orca is manufactured in Europe and offers a 5 year guarantee on all heat pump purchases. Heat pumps have an estimated life expectancy of 20 to 5/5(10). UNI ENHeating systems in buildings—method for calculation of system energy requirements and system efficiencies—Part Space heating generation systems, heat pump systems 6 BS EN, Air conditioners, liquid chilling packages and heat pumps, with electrically driven compressors, for space heating and by: Town Loop for the Heat Pump System with the City ofin the Portland Climate.
Monthly Average Circulation Requirements of Plant-Town Loop for the Heat Pump System with the City of 21, in the Portland Climate. 69 70 77 87 88 Design and Climatic Conditions of the Three Loca-tions.
91 The Position of the Controlling Elements. The main heat pump delivers heat to the heating system, as usual, whilst the second smaller heat pump heats the domestic hot water. As the second heat pump is fed with reject heat from a subcooler in the main heat pump, it can operate at high efficiency, even when producing domestic hot water.
Based on the test data analysis and processing which are acquired from a solar energy/air source compound heat pump system in the actual building, the seasonal energy efficiency ratio under the two modes and the energy-saving rate are obtained.
Through the analysis of the energy-saving rate, the energy-saving characteristics of the solar energy/air source compound heat pump system under Author: Bo Bo Hou, Zhi Gang Zhang, Wei Zhang.
with 20 % and increase the utilization of renewable energy resources with 20 % within year This master thesis analysed a passive house kindergarten in Trondheim built in with a heat supply system based on renewable heat sources, solar collectors combined with a ground source heat pump.
The possibility of storing solar heat. A study on the design and analysis of a heat pump heating system using wastewater as a heat source Article in Solar Energy 78(3) October with Reads How we measure 'reads'. This book is the first one about this combination of components and presents the state of the art of this technology.
It is based on a joint research project of two programmes of the International Energy Agency: the Solar Heating and Cooling Programme (SHC) and.
shows an example of the»electrical brine heat pump«system, hence, a brine-water heat pump with the ground as heat source. The possible energy flows between the individual system components are shown. Thermal storage devices can be charged through solar thermal energy, as well as through heat from excess power (directly or via the heat pump).
Exhaust Air Heat Pumps. Exhaust Air Heat Pumps –for air tight houses, (Passive Houses) and apartments. Here we have a complete solution for Ventilation, Heating and Hot Water – the economical choice to wrap up three needs in one unit for the low energy and new build sector.
Energy Performance and Economic Evaluations of the Geothermal Heat Pump System used in the KnowledgeWorks I and II Buildings, Blacksburg, Virginia Kongkun Charoenvisal Thesis submitted to the faculty of the Virginia Polytechnic Institute and State University in partial fulfillment of the requirements for the degree of Master of Science In.
electrical system demand to be met by renewable sources by . Ireland’s technical wind energy resource was estimated at TWh per year compared to Ireland’s annual electricity consumption of 27 TWh in .
Figures from the current work show that annualised wind energy generation met a mean of 18% of system demand. Assessing the energy reduction potential of a cold climate heat pump. Derek William Kultgen, Purdue University.
Abstract. Within a university/industry partnership, a new air-source heat pump technology that is optimized for cold climates was designed, fabricated, and evaluated at Author: Derek William Kultgen.
Transfer of results to heat pump technology n An increased integration of energy sectorsis required in order to achieve GHG targets (i.e.
electrictiy& heat, electricity & mobility) n From a overall system perspective heat pumps should be the dominating future heating technology n However, many barriers, threats and challengesexist, that hamper.
A Daikin air to water heat pump can provide more than efficient heating for your home. It can also provide a total solution for domestic heating and hot water. The whole heat pump system can be connected to solar collectors, for even greater efficiencies.
The solar energy helps to deliver 60% of your hot water energy needs throughout the year. The Different Types of Heat Pumps. Types of Heat Pump. In the natural world, heat will normally transfer from a warm location to a cold one.
A heat pump is any device that allows the transfer of heat from a lower temperature to a higher one, essentially against the natural ‘grain’ of things.
employment, is chosen as study area to analysis the relationship between energy consumption and climate variables with approximately 50 years of daily temperature data () and year daily energy consumption data ().The paper is structured as follows.
The. Highly efficient CO2 heat pump water heater. ITOMIC Industrial use Eco-cute introduces CO2 Heat pump system which utilizes heat from the air and produces heat energy to make hot water. 1electrical energy can produce heating energy.(COP=) Its high efficiency leads. Solar Heat and Energy Economics • Focuses on the analysis of the future role of solar thermal in energy supply systems in urban environments.
• Based on energy economic analysis - reflecting future changes in the whole energy system • Strategies, technical solutions and tools will be Size: 2MB. Withair® Core Strengths include: Equipment R&D – Withair® equipment is designed by field engineers with rich experience who actually use it.
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Page 1 International Refrigeration and Air Conditioning Conference at Purdue, JulyResearch on Ground Source Heat Pump Design Amanda Pertzborn1*, Gregory Nellis2, Sanford Klein3 1University of Wisconsin - Madison, Solar Energy Laboratory, Madison, WI, USA.
The history behind heat pump technology The history of modern heat pumps Heat pump physics and principals. The mechanical technology currently used in modern heat pumps is a comparatively recent innovation; the geothermal notion of this principle of physics has been used since ancient times, one example being the use of geothermal power in hot springs, used to pump warm air into cool areas in.
a solar assisted heat pump system by using cabinet type millGJ per year . ese can be used as heat energy sources in drying process. e refore, the objective of this study is to compare and installed at the Institute of Technology, Padang, West Sumatra, Indonesia.
e drying system consists of nned Cited by: 1. Performance of Drying System. e performance of solar assisted heat pump dryer integrated with biomass furnace is characterized by drying rate, speci c moisture extraction rate, and dryer thermal e ciency.
It is highly depending on the performance of each of the drying system components such as solar collector, heat pump, and biomass furnace. Environment Canterbury Releases Subsidy Figures for Heat Pumps Views: Author:Withair® Publish Time: Origin: Withair Group Home heating checks and subsidies to ease the burden on people struggling to replace old wood burners cost Environment Canterbury nearly $, in the past financial year, new figures reveal.
The authors applied the analogy with a classical heat-exchanger to express the heat-transfer rate on the water side with Eq. (5) and the heat-transfer equation on the air side with Eq.
(6): Since the characteristics of the air side are generally limited to the wet-bulb temperature in the performanceFile Size: KB.
Technology and concepts The heat pump technology is under constant development, illustrated by the fact that the efficiencies of the heat pumps have increased by 50‐% within the last 25 years, equivalent to the technical lifetime of a heat pump (Poulsen ).
Charging Energy-Related Costs: The energy cost for storage consists of all costs incurred to purchase energy used to charge the storage, including the cost to purchase energy needed to make up for (round trip) energy losses. For a storage system with 75% efficiency, if the unit price for energy used for charging is 4¢/kWh, then the plant Cited by: This paper shows that in support of its ability to improve the overall economic cost-effectiveness and flexibility of the Danish energy system, the financially feasible integration of large-scale heat pumps (HP) with existing combined heat and power (CHP) plants, is critically sensitive to the operational mode of the HP vis-à-vis the operational coefficient of performance, mainly given by the.energy management system or as stand-alone devices.
In summary, after an initial flurry of research and installations about 60 years ago, and a sec-ond phase starting about 30 years ago, the ground-source heat pump industry has matured from a technology standpoint, yet continues to be dynamic, with rapid growth rates.
Current andFile Size: 94KB.