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Tytuł:
Utilization of organic Rankine cycles in a cogeneration system with a high-temperature gas-cooled nuclear reactor – thermodynamic analysis
Autorzy:
Jędrzejewski, Julian
Hanuszkiewicz-Drapała, Małgorzata
Powiązania:
https://bibliotekanauki.pl/articles/1845465.pdf
Data publikacji:
2021
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
ORC
HTGR
cogeneration system
reduction
CO2
emission
Opis:
The paper presents results of a parametric analysis of a hightemperature nuclear-reactor cogeneration system. The aim was to investigate the power efficiency of the system generating heat for a high-temperature technological process and electricity in a Brayton cycle and additionally in organic Rankine cycles using R236ea and R1234ze as working fluids. The results of the analyses indicate that it is possible to combine a 100 MW high-temperature gas-cooled nuclear reactor with a technological process with the demand for heat ranging from 5 to 25 MW, where the required temperature of the process heat carrier is at the level of 650◦C. Calculations were performed for various pressures of R236ea at the turbine inlet. The cogeneration system maximum power efficiency in the analysed cases ranges from ~35.5% to ~45.7% and the maximum share of the organic Rankine cycle systems in electric power totals from ~26.9% to ~30.8%. If such a system is used to produce electricity instead of conventional plants, carbon dioxide emissions can be reduced by about 216.03–147.42 kt/year depending on the demand for process heat, including the reduction achieved in the organic Rankine cycle systems by about 58.01–45.39 kt/year (in Poland).
Źródło:
Archives of Thermodynamics; 2021, 42, 2; 71-87
1231-0956
2083-6023
Pojawia się w:
Archives of Thermodynamics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Unstandardized LCA-Based Technology Sustainability Assessment for Alternative Energy Scenarios for Cogeneration System
Autorzy:
Kluczek, A.
Powiązania:
https://bibliotekanauki.pl/articles/2064944.pdf
Data publikacji:
2018
Wydawca:
STE GROUP
Tematy:
LCA
technology assessment
assessment criteria
energy efficiency
cogeneration system
Opis:
In pursuit of higher energy savings and de-carbonization, greater fuel diversity and lower pollutant emission is possible by production processes through energy-savings opportunities and associated environmentally-benign technologies. Current production processes represents the biggest consumption of energy, and the greatest amount of emissions emitted to the environment. Improvement in energy efficiency is considered as the basic principle in realizing energy-saving, bringing cost-effective benefits and reduction of greenhouse emissions. Hence, this study proposes a framework to assess alternative sustainability of cogeneration systems, integrating the economic, environmental, and social indicators. The results showed that the cogeneration system with a new boiler with a 600 PSIG pressure and a new turbine seems to be a cost-efficient solution compared to the baseline scenario saving energy at the level of 1,823,072 kWh/yr (63%) against the baseline scenario. In the case study, the implemented solution in the plant improved the overall sustainability degree of technology by 53% (from 46% as baseline to 97%).
Źródło:
Multidisciplinary Aspects of Production Engineering; 2018, 1, 1; 785--791
2545-2827
Pojawia się w:
Multidisciplinary Aspects of Production Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Technical and economical analysis of exploitation of gas fired small scale combined heat and power systems in Poland
Analiza uwarunkowań techniczno-ekonomicznych budowy gazowych układów kogeneracyjnych małej mocy w Polsce
Autorzy:
Skorek, J.
Powiązania:
https://bibliotekanauki.pl/articles/172934.pdf
Data publikacji:
2012
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
układ CHP
układ kogeneracyjny
combined heat and power module
cogeneration system
Opis:
Paper presents an estimation of influence of selected technical and financial parameters on the cost-effectiveness of the small scale cogeneration systems in Poland. The influence of electrical efficiency of the combined heat and power (CHP) module and power-to-heat ratio on the exploitation costs and incomes of the whole cogeneration system has been analysed. Analysis has been carried out on the example of small scale CHP with the reciprocating internal combustion (IC) gas engine or gas turbine fired by natural gas or coal bed methane.
Przeprowadzono ocenę wpływu wybranych parametrów technicznych, eksploatacyjnych i cenowych na wskaźniki opłacalności budowy gazowych układów kogeneracyjnych małej mocy w Polsce. Określono wpływ sprawności elektrycznej modułu kogeneracyjnego (CHP - combined heat and power) i eksploatacyjnego wskaźnika skojarzenia na podstawowe składniki kosztów i przychodów z eksploatacji układu. Przeprowadzono analizę obliczeniową układu kogeneracyjnego z gazowym silnikiem tłokowym lub turbiną gazową zasilanych gazem ziemnym systemowym lub gazem z odmetanowania kopalni
Źródło:
Archiwum Energetyki; 2012, 42, 1; 39-51
0066-684X
Pojawia się w:
Archiwum Energetyki
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Thermal analysis of heat and power plant with high temperature reactor and intermediate steam cycle
Autorzy:
Fic, A.
Składzień, J.
Gabriel, M.
Powiązania:
https://bibliotekanauki.pl/articles/239939.pdf
Data publikacji:
2015
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
cogeneration system
high-temperature reactor
exergy analysis
gas heat pumps
numerical simulation
system kogeneracyjny
reaktor wysokotemperaturowy
analiza egzergii
gazowe pompy ciepła
symulacja numeryczna
Opis:
Thermal analysis of a heat and power plant with a high temperature gas cooled nuclear reactor is presented. The main aim of the considered system is to supply a technological process with the heat at suitably high temperature level. The considered unit is also used to produce electricity. The high temperature helium cooled nuclear reactor is the primary heat source in the system, which consists of: the reactor cooling cycle, the steam cycle and the gas heat pump cycle. Helium used as a carrier in the first cycle (classic Brayton cycle), which includes the reactor, delivers heat in a steam generator to produce superheated steam with required parameters of the intermediate cycle. The intermediate cycle is provided to transport energy from the reactor installation to the process installation requiring a high temperature heat. The distance between reactor and the process installation is assumed short and negligable, or alternatively equal to 1 km in the analysis. The system is also equipped with a high temperature argon heat pump to obtain the temperature level of a heat carrier required by a high temperature process. Thus, the steam of the intermediate cycle supplies a lower heat exchanger of the heat pump, a process heat exchanger at the medium temperature level and a classical steam turbine system (Rankine cycle). The main purpose of the research was to evaluate the effectiveness of the system considered and to assess whether such a three cycle cogeneration system is reasonable. Multivariant calculations have been carried out employing the developed mathematical model. The results have been presented in a form of the energy efficiency and exergy efficiency of the system as a function of the temperature drop in the high temperature process heat exchanger and the reactor pressure.
Źródło:
Archives of Thermodynamics; 2015, 36, 1; 3-18
1231-0956
2083-6023
Pojawia się w:
Archives of Thermodynamics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Application of biogas to supply the high compression ratio engine
Autorzy:
Bieniek, Andrzej
Mamala, Jarosław
Graba, Mariusz
Prażnowski, Krzysztof
Śmieja, Michał
Wereszczyński, Dariusz
Powiązania:
https://bibliotekanauki.pl/articles/134102.pdf
Data publikacji:
2019
Wydawca:
Polskie Towarzystwo Naukowe Silników Spalinowych
Tematy:
biogas
high compression ratio engine
emission
low power cogeneration system
biogaz
silnik o zwiększonym stopniu sprężania
emisja
układ kogeneracyjny małej mocy
Opis:
The study concerns the use of biogas as a fuel for supplying a modified self-ignition engine. As a result of the modifications made, the compression ratio was reduced and the engine was equipped with an ignition system and an electronically activated engine throttle. The changes have made it possible to burn biogas in a high compression ratio engine. The paper presents the results of research conducted on a low power cogeneration system with engine that drives an electrical machine cooperating with a 380/400 V network. The analysis includes, among other things, the possibility of producing electricity using biogas. The paper presents the influence of regulatory parameters such as the volume and composition of the supplied gas mixture and the degree of throttle opening on the obtained engine operation indicators and the driven electric machine. The tests were carried out in relation to the obtained ecological indicators depending on the concentration in the exhaust of such substances as: HC, CO, NOx.
Źródło:
Combustion Engines; 2019, 58, 4; 40-46
2300-9896
2658-1442
Pojawia się w:
Combustion Engines
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Comparison between cogeneration and separate production of heat and electricity
Autorzy:
Emhemed, A.A
Powiązania:
https://bibliotekanauki.pl/articles/378260.pdf
Data publikacji:
2012
Wydawca:
Politechnika Poznańska. Wydawnictwo Politechniki Poznańskiej
Tematy:
cogeneration
CHP
power system
heating system
Opis:
Conventional power plant usually convert one third of fuel use to utilize power and the rest of fuel loss as heat to the atmosphere. Even the most advanced technologies do convert more than 55% of fuel into useful energy. Cogeneration known as Combined Heat and Power, or CHP, is the production of electricity and heat in one single process for dual output streams. Cogeneration uses both electricity and heat and therefore can achieve an efficiency of up to 90%, giving energy savings between 15-40% when compared with the separate production of electricity from conventional power stations and of heat from boilers. It is the most efficient way to use fuel. CHP also helps save energy costs, improves energy security of supply. The paper considers two examples to explain difference between separate production of heat and electricity and cogeneration.
Źródło:
Poznan University of Technology Academic Journals. Electrical Engineering; 2012, 70; 167-172
1897-0737
Pojawia się w:
Poznan University of Technology Academic Journals. Electrical Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
High-efficiency Gas Cogeneration – an Assessment of the Support Mechanism
Wysokosprawna kogeneracja gazowa – ocena mechanizmu wsparcia
Autorzy:
Sołtysik, M.
Mucha-Kuś, K.
Powiązania:
https://bibliotekanauki.pl/articles/397438.pdf
Data publikacji:
2015
Wydawca:
ENERGA
Tematy:
cogeneration
support system
efficiency
kogeneracja
system wsparcia
efektywność
Opis:
The development of a single European energy market implies the need to harmonise national laws and the directions of the sector’s growth to EU determinants. One of these elements was the introduction of a system to support the development of high-efficiency cogeneration, including gas cogeneration. Several years of the mechanisms’ performance allows for analysis of the advisability and correctness of the support model format, and assessment of its impact on the sub-sector’s development and the cost of its operation. Against the background of the support system introduction origins, the paper presents results of volumetric and price analyses, trends, and assessment of the balance of property rights and of the mechanism’s effectiveness.
Tworzenie wspólnego europejskiego rynku energii implikuje konieczność dostosowywania prawa krajowego i kierunków rozwoju sektora do determinant unijnych. Jednym z tych elementów było wprowadzenie systemu wsparcia rozwoju wysokosprawnej kogeneracji, w tym kogeneracji gazowej. Kilkuletnia historia funkcjonowania mechanizmów pozwala na dokonanie analiz zasadności i poprawności formy modelu wsparcia, oceny jego wpływu na rozwój podsektora oraz kosztów jego funkcjonowania. W artykule przedstawiono na tle genezy wprowadzenia systemu wsparcia wyniki analiz wolumetryczno-cenowych, trendy, ocenę bilansu praw majątkowych oraz dokonano oceny efektywności mechanizmu.
Źródło:
Acta Energetica; 2015, 3; 97-107
2300-3022
Pojawia się w:
Acta Energetica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Influence of Regulations on Market Efficiency from the Viewpoint of High-efficiency Cogeneration
Studium nad efektywnością mechanizmów wspierających na przykładzie wysokosprawnej kogeneracji węglowej
Autorzy:
Sołtysik, M.
Mucha-Kuś, K.
Powiązania:
https://bibliotekanauki.pl/articles/397290.pdf
Data publikacji:
2014
Wydawca:
ENERGA
Tematy:
cogeneration
energy efficiency
system wsparcia
kogeneracja
efektywność
Opis:
Formation of a common European energy market implies the necessity of making adjustments to domestic law and adopting market development possibilities in order to meet European Union regulations. Implementation of system support to develop high-efficiency cogeneration was one of those aspects. Several years of such a mechanism functioning allow one to: analyze those regulations and their impact on sub-sector development, make a deep cost analysis and discuss its continuation in the future as well. Taking into account the background of implementation of EU regulations, this paper presents the results of volume-price estimations, current trends, evaluation of property rights regulated in the system, the analysis of market participants’ behaviours, as well as legal issues within this context.
Tworzenie wspólnego, europejskiego rynku energii implikuje konieczność dostosowywania prawa krajowego i kierunków rozwoju sektora do determinantów unijnych. Jednym z tych elementów było wprowadzenie systemu wsparcia rozwoju wysokosprawnej kogeneracji. Kilkuletnia historia funkcjonowania mechanizmu pozwala na dokonanie analiz zasadności wsparcia, ocenę jego wpływu na rozwój podsektora, szczegółową analizę kosztów oraz przeprowadzenie wnioskowania w zakresie kontynuacji mechanizmu. W artykule przedstawione zostały, na tle genezy wprowadzenia systemu wsparcia, wyniki analiz wolumetryczno-cenowych, bieżące trendy, ocena bilansu praw majątkowych w systemie, próba oceny zachowania uczestników rynku oraz problematyka legislacyjna w przedmiotowym zakresie.
Źródło:
Acta Energetica; 2014, 3; 134-143
2300-3022
Pojawia się w:
Acta Energetica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Energy scavenging in a vehicles exhaust system
Autorzy:
Lubikowski, K.
Radkowski, S.
Szczurowski, K.
Wikary, M.
Powiązania:
https://bibliotekanauki.pl/articles/246763.pdf
Data publikacji:
2012
Wydawca:
Instytut Techniczny Wojsk Lotniczych
Tematy:
cogeneration of energy
exhaust system
thermoelectric generator
Opis:
Present- day development of power transmission systems, especially the ones based on combustion engines, is trying to cope with the issue of improving the energy efficiency of energy processing systems. One of the directions is to use the techniques of thermal energy recovery from an engine's exhaust system. Vast part of the energy produced while burning the air- fuel mixture is lost in the cooling and exhaust systems. Research in this area was conducted by numerous teams, both abroad and in Poland, while focusing on use of Peltirea cells. The results of their research demonstrated small efficiency of these cells. In this paper, the authors have focused on modifications of the exhaust system in order to improve heat exchange between the exhaust system's elements and TEG. The research was conducted while using the ECOTEC 1.8 litre engine from Opel, the X18XE model. The engine was installed in a testbed, in the mechatronic lab at the Faculty of Automotive and Construction Machinery Engineering (SIMR) of Warsaw University of Technology. Spartan HE923 radiators were installed on the cold end of the module. The paper presents the results of the research related to interworking of TEG's with the exhaust system's heat-generating elements of various shapes. The paper reviews the energy efficiency of TEG depending on diverse parameters of gas flow. A parallel system has been assumed (controlled stream and pressure of the flowing exhaust gases without any interference as regards the speed of the of combustion engine). The factor-related experiment accounts for the influence that the pressure and temperature difference, depending on the volume and discharge of exhaust fumes, have on the efficiency of TEG for the same temperature. The results of the experiment are presented in the last section of the article.
Źródło:
Journal of KONES; 2012, 19, 3; 253-261
1231-4005
2354-0133
Pojawia się w:
Journal of KONES
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Research and simulation work of TEG in cogeneration task of the exhaust system
Autorzy:
Chmielewski, A.
Lubikowski, K.
Radkowski, S.
Szczurowski, K.
Powiązania:
https://bibliotekanauki.pl/articles/246212.pdf
Data publikacji:
2013
Wydawca:
Instytut Techniczny Wojsk Lotniczych
Tematy:
cogeneration of energy
exhaust system
thermoelectric generator
Opis:
One of the main directions of development of power transmission systems in vehicles involves improvement of energy efficiency of combustion engines, especially reduction of the loss related to waste heat in cooling and exhaust systems. The traditional role of the exhaust system is to remove exhaust gases from a combustion engine and muffle the noise created during the engine’s operation. Relevant distribution of temperatures along the entire length of the exhaust system is a very important element in such a complex structure. The examples could be the particulate solids filter or the converter which have to reach a relevant temperature to operate properly while the temperature’s growth is simultaneously restricted due to the limitations associated with the materials used. The research was conducted while using the ECOTEC 1.8 litre engine from Opel, the X18XE model. The engine was installed in a tested, in the mechatronic lab at the Faculty of Automotive and Construction Machinery Engineering (SIMR) of Warsaw University of Technology. The paper reviews the energy efficiency of TEG depending on deferent parameters of gas stream an weather conditions. This is original value of this paper. The results of the experiment are presented in the last section of the article.
Źródło:
Journal of KONES; 2013, 20, 2; 41-47
1231-4005
2354-0133
Pojawia się w:
Journal of KONES
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Thermal analyses of exhaust system on combustion engine
Autorzy:
Dybała, J.
Lubikowski, K.
Rokicki, K.
Szulim, P.
Wikary, M.
Powiązania:
https://bibliotekanauki.pl/articles/241765.pdf
Data publikacji:
2012
Wydawca:
Instytut Techniczny Wojsk Lotniczych
Tematy:
cogeneration of energy
exhaust system
thermoelectric generator
Opis:
Nowadays there are more and more discussions on acquisition of energy from sources other than natural sources of energy. Many scientific research centres deal with the issue of energy recovery as well as use of energy from renewable sources. The communities associated with the automotive industry devote a lot of attention to the issue of improving the energy efficiency of vehicles. Since a combustion engine uses less than half of the energy produced during the combustion process, thus the issues of recovery of thermal energy and its conversion into electrical energy evoke increasing interest. The article presents the process of examination of the temperature of the exhaust system in a car engine operating in a laboratory environment. Measuring equipment was used to the temperatures' determine. Analysis of distribution of temperatures in the exhaust system creates grounds for rational selection of the places where the thermal energy recuperation systems should be installed. At present, the possibilities of recovery of thermal energy are still seriously restricted by the properties of the materials of which the elements of the thermal energy recovery systems are made. High propensity of these elements to thermal defects is a serious problem in practical application of these materials in thermal energy recovery systems. The results obtained in an experiment serve as the basis for determining the locations where thermoelectric generators should be installed while accounting for their thermal limitations.
Źródło:
Journal of KONES; 2012, 19, 4; 173-178
1231-4005
2354-0133
Pojawia się w:
Journal of KONES
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Efficiency of micro combined heat and power unit in real conditions
Sprawność małego układu kogeneracyjnego pracującego w rzeczywistych warunkach
Autorzy:
Gałek, R.
Gil, P.
Szewczyk, M.
Wolańczyk, F.
Powiązania:
https://bibliotekanauki.pl/articles/195808.pdf
Data publikacji:
2018
Wydawca:
Politechnika Rzeszowska im. Ignacego Łukasiewicza. Oficyna Wydawnicza
Tematy:
μCHP system
performance
AISIN
cogeneration
system μCHP
sprawność
kogeneracja
energia odnawialna
Opis:
The article presents the results of short-term performance of small AISIN GECC60A2N cogeneration heat and power (CHP) unit classified to the micro-cogeneration. Electric and heat generation efficiency has been assumed as parameters characterizing the operation of the CHP unit. Under test electrical efficiency reach about 23% and thermal efficiency about 44%. Overall efficiency reached about 67%. bArticle also includes a brief description of the hydraulic and electrical system of CHP unit.
W artykule przedstawiono krótkookresowe wyniki pomiarów sprawności małej jednostki kogeneracyjnej AISIN GECC60A2N zaklasyfikowanej do mikrokogeneracji (μCHP). Sprawność wytwarzania energii elektrycznej i ciepła została przyjęta jako parametry charakteryzujące pracę układu kogeneracyjnego. Rzeczywista sprawność elektryczna osiąga wartość około 23%, a sprawność cieplna – wartość około 44%. Sprawność całkowita osiągnęła 67%. Artykuł zawiera krótki opis układu hydraulicznego i elektrycznego jednostki kogeneracyjnej.
Źródło:
Zeszyty Naukowe Politechniki Rzeszowskiej. Mechanika; 2018, z. 90 [298], 4; 453-463
0209-2689
2300-5211
Pojawia się w:
Zeszyty Naukowe Politechniki Rzeszowskiej. Mechanika
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Economic effectiveness evaluation of the free piston Stirling engine-based micro-combined heat and power unit in relation to classical systems
Autorzy:
Uchman, Wojciech
Remiorz, Leszek
Kotowicz, Janusz
Powiązania:
https://bibliotekanauki.pl/articles/240538.pdf
Data publikacji:
2019
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
heating systems
cost analysis
stirling engine
micro-cogeneration
system ciepłowniczy
analiza kosztów
mikrokogeneracja
Opis:
In this article, a comparison of economic effectiveness of various heating systems dedicated to residential applications is presented: a natural gas-fueled micro-cogeneration (micro-combined heat and power – µCHP) unit based on a free-piston Stirling engine that generates additional electric energy; and three so-called classical heating systems based on: gas boiler, coal boiler, and a heat pump. Calculation includes covering the demand for electricity, which is purchased from the grid or produced in residential system. The presented analyses are partially based on an experimental investigation. The measurements of the heat pump system as well as those of the energy (electricity and heat) demand profiles in the analyzed building were conducted for a single-family house. The measurements of the µCHP unit were made using a laboratory stand prepared for simulating a variable heat demand. The overall efficiency of the µCHP was in the range of 88.6– 92.4%. The amounts of the produced/consumed energy (electricity, heat, and chemical energy of fuel) were determined. The consumption and the generation of electricity were settled on a daily basis. Operational costs of the heat pump system or coal boiler based heating system are lower comparing to the micro-cogeneration, however no support system for natural gas-based µCHP system is included.
Źródło:
Archives of Thermodynamics; 2019, 40, 1; 71-83
1231-0956
2083-6023
Pojawia się w:
Archives of Thermodynamics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Optimal coefficient of the share of cogeneration in the district heating system cooperating with thermal storage
Autorzy:
Ziębik, A.
Gładysz, P.
Powiązania:
https://bibliotekanauki.pl/articles/240214.pdf
Data publikacji:
2011
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
elektrociepłownia
kogeneracja
sieć ciepłownicza
współczynnik udziału kogeneracji
zasobnik ciepła
coefficient of the share of cogeneration
cogeneration
combined heat and power plant
district heating system
thermal storage
Opis:
The paper presents the results of optimizing the coefficient of the share of cogeneration expressed by an empirical formula dedicated to designers, which will allow to determine the optimal value of the share of cogeneration in contemporary cogeneration systems with the thermal storages feeding the district heating systems. This formula bases on the algorithm of the choice of the optimal coefficient of the share of cogeneration in district heating systems with the thermal storage, taking into account additional benefits concerning the promotion of high-efficiency cogeneration and the decrease of the cost of CO2 emission thanks to cogeneration. The approach presented in this paper may be applicable both in combined heat and power (CHP) plants with back-pressure turbines and extraction-condensing turbines.
Źródło:
Archives of Thermodynamics; 2011, 32, 3; 71-87
1231-0956
2083-6023
Pojawia się w:
Archives of Thermodynamics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Assessment of district heating needs and technical possibilities in the vicinity of a future polish nuclear power station
Autorzy:
Cholewiński, M.
Tomków, Ł.
Powiązania:
https://bibliotekanauki.pl/articles/1189974.pdf
Data publikacji:
2017
Wydawca:
Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:
elektrownia jądrowa
kogeneracja
system ciepłowniczy
popyt na ciepło
nuclear power plant
cogeneration
district heating system
pressurised water reactor
heat demand
Opis:
Nuclear power plants can be a reliable source of heat supplying district heating systems. Importantly, thermal and flow parameters of a secondary loop in pressurized water reactor technologies are sufficient to supply a district heating networks. Therefore, NCHP (Nuclear Combined Heat and Power) systems seem to be a viable replacement for traditional coal-fired cogeneration units located in big cities and may contribute to environmental protection in both local and international scale. In this paper working conditions of a municipal heat network, such as a pressure drop and the heat loses, were calculated and adapted to expected Poland’s first nuclear power plant located in Pomerania Province. Cumulative probability distribution model of heat generation power in metropolitan area and future heat demand have been created and used to identify optimal size of NCHP heat output. Main parameters of heating network were presented and discussed. The positive effects on environment were assessed and summarized as well.
Źródło:
Interdisciplinary Journal of Engineering Sciences; 2017, 5, 1; 1--10
2300-5874
Pojawia się w:
Interdisciplinary Journal of Engineering Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 18

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