Presentations
24-26_0 / 24 “Applicability of high evaporative temperature heat pumps Part II”
In this part of the article, it is shown that with careful planning and the choice of a heat pump optimized for the task, the available COP and, accordingly, the SCOP value can be high even at higher heating flow temperatures and in industrial systems. / Magyar Installateur 2020 / 1. / ZOLTÁN FODOR development engineer, Geowatt Kft.
34-36_0 “Applicability of high evaporative temperature heat pumps ”
The conditions for the efficient applicability of heat pumps specially designed and manufactured for high evaporation and condensation temperatures have been given, as they can be successfully used not only for the utilization of run-off thermal waters, but also for special industrial applications. / Author: ZOLTÁN FODOR development engineer, Geowatt Kft.
30-32_0.pdf “Comparative parameter of heat pumps”
In this announcement, I try to highlight that requiring COPcyc parameters would create transparent, measurable conditions for manufacturers … / 30 Magyar Installateur 2018 / 4. / Author: FODOR ZOLTÁN development engineer, Geowatt Kft.
28.pdf. “Heat supply of wellness spaces with closed probe heat pump heat center”
In our article, after discussing the heat and cooling needs of wellness hotels and the most suitable heat pump heat centers to satisfy them, we describe the design of the heat pump system probe design to the relevant EU regulation … / Building Engineer VII. year – May 2018 / Author: ZOLTÁN FODOR development engineer, Geowatt Kft.
2017-08-09.pdf “Utilization of the energy content of treated wastewater with heat pumps”
Energy utilization of waste heat II.
Sewage as an energy source is cheap as it is continuously generated in large farms, industrial plants, large cities and sewage treatment plants.
The heat leaving the sewer as waste can be utilized with appropriate technology … / 20 Magyar Installateur 2017 / 8–9. / Author: ZODTÁN FODOR development engineer, Geowatt Kft.
“With a heat pump in modern gardening” / Building Engineer VII. grade – June 2018
In the greenhouses of different horticulture, we artificially influence the living conditions required for the plants …
Author: Ferenc Komlós ny. Chief Adviser to the Ministry / 1943 – 2018 /
“Heat pumps in horticulture”
Heat pump heating / cooling of greenhouses is not yet widespread in Hungary, although the necessary technology and equipment are already available.
/ 25th No. • Horticulture and Viticulture 23. June 19, 2013 / .Author: Ferenc Komlós ny. Chief Adviser to the Ministry / 1943 – 2018 //
“HEAT PUMPING TABLE AND GROUNDWATER
UTILIZATION WITH HUNGARIAN HEAT PUMP “
The Hungarian Hydrological Society July 3-5, 2013 between XXX and Gödöllő, Szent István University. The National Wandering Meeting and the dissertation are included on the CD-ROM of the event (ISBN 978-963-8172-31-0).
Author: Ferenc Komlós ny. Chief Adviser to the Ministry / 1943 – 2018 /
“Comparative parameter for heat pumps – Part II”
It is likely and based on practical experience that COPH-independent tests have in many cases failed to produce the expected SCOP values …
/ Building Engineer VI. year – September 2017 Author: ZOLTÁN FODOR development engineer, Geowatt Kft.
“Applicability of heat pumps for district heating”
The constant question in the field of heat pumping is how to use heat pumps in district heating systems and thus improve the efficiency of the system, reduce energy costs …
/ 26 Magyar Installateur 2017 / 10. / Author: ZODTÁN FODOR development engineer, Geowatt Kft.
“Plan responsibly for the environment!”
Atmospheric carbon dioxide levels have risen at a record pace in 2016, reaching levels not seen for millions of years, according to a standard annual report from the World Meteorological Organization (WMO), which found that atmospheric carbon dioxide levels were last so high 3-5 million years ago when the average temperature of the planet’s surface was 3 ° C warmer and the global sea level was 20 meters higher than it is now.
/ 2017 / 11-12. Magyar Installateur 23 / Author: FODOR ZOLTÁN development engineer, Geowatt Kft.
“Active or passive cooling? Selecting heat pumps for functions by optimizing efficiency and investment costs”
In the previous April issue of the Hungarian Installateur magazine, we stated that when designing a closed probe heat pump system, the engineering work must be included in the system in order to implement a truly efficient and high SCOP heat pump system, despite the fact that
that EU Regulation (2014 / C 207/021) does not mention this need. It can also be seen from the following article that in the small segment of heat pump system design, engineering knowledge and approach are also essential in the system structure and the selection of heat pumps …
/ 28 Magyar Installateur 2017/5. / Author: ZOLTÁN FODOR development engineer, Geowatt Kft.
“Hotel with monovalent heat pump system”
At the end of November, the new wing of the Hotel Caramell in Bükfürdő was opened due to the large-scale development.
Maintaining a holistic approach, the hotel will be transformed into a resort, its capacity has largely doubled and its range of services has been significantly enriched…
/ 2017 / 2-3. Magyar Installateur 21./Authent: ZOLTÁN FODOR development engineer, Geowatt Kft.
“Comparative parameter for heat pumps – Part II”
It is likely, and based on practical experience, that COPH-independent tests did not yield the expected SCOP values in many cases. Our paper analyzes which factors are the reasons for this, since the realization of the expected SCOP value from the heat pump side is a function of only one parameter, COPH. Only the COPcyc value is clearly suitable for the clear detection of the deficiencies and deteriorating factors within the cooling cycle detailed in the article, and thus for the technical and efficiency comparison of the individual heat pumps …
Civil Engineer VI. grade – September 2017. Author: ZOLTÁN FODOR development engineer, Geowatt Kft.
Heat pumps developed for task groups
In an article published in the previous issue of the Hungarian Installateur (January / January 2016, pages 24-26), we stated that the efficiency given by the technical standard cannot be approached using universal heat pumps, but
heat pump developments must strive to achieve …
2016 / 2-3. Magyar Installateur 19 Author: FODOR ZOLTÁN development engineer, Geowatt Kft.
Heat pumps developed for task groups II.”
Efficiency requires optimization for task groups, and this requires a variety of heat pumps developed and manufactured, and in some cases a more complex cycle …
22 Magyar Installateur 2016/4.
“Implementation of hydrothermal energy supply of a building with two or more independent with heat pumps”
In the field of heat pumping, the constant question is how to use heat pumps to efficiently use the thermal water from thermal baths in many places in the heating and DHW systems of institutions, and thus to significantly reduce energy costs …
2016 / 6-7 Magyar Installateur 29. Author: ZODTÁN FODOR development engineer, Geowatt Kft.
“Efficiency of heat pump systems”
First of all, I wish my dear readers a successful, disaster-free Happy New Year! In Hungary, even this New Year’s greeting is perhaps excessive, unlike in many parts of the world, where the damage caused by climate change has a direct impact on the lives of people and other living things.
26 Magyar Installateur 2016/1. Author: ZOLTÁN FODOR development engineer, Geowatt Kft.
“Energy efficient use of heat pump systems – Part XII”
Use of heat pumps for district heating
The constant question in the field of heat pumping is how we could use heat pumps in district heating systems, which step could improve the efficiency of the system and reduce energy costs …
/ Civil Engineer – November 2015 Author: FODOR ZOLTÁN Development Engineer, Geowatt Kft.
“Energy efficient use of heat pump systems – Part XI”
A hőszivattyúk működési tartományát átfogó, részletes paraméterek
The constant question in the field of heat pumping is how we could use heat pumps in district heating systems, which step could improve the efficiency of the system and reduce energy costs …
/ Civil Engineer – November 2015 Author: FODOR ZOLTÁN Development Engineer, Geowatt Kft.
“On the efficiency and applicability of heat pumps VI.”
Utilization of runoff thermal water from thermal baths
Improving and strengthening the domestic and international competitiveness of Hungarian spas and health tourism, reducing the maintenance costs of facilities, creating and developing energy-efficient and modern health tourism facilities is in the public interest …
2015/10. Magyar Installateur 27 Author: ZODTÁN FODOR development engineer, Geowatt Kft.
“On the efficiency and applicability of heat pumps V.”
Termálvíz hasznosítása új fejlesztésű hőszivattyúval
The previous articles in the series dealt with the efficiency of heat pumps and the optimization of the application. Based on this, the question definitely arises as to why this aspect is so important in the case of heat pumps. Why complicate the application? Why is it so important what heat pumps we use to perform each task? Why is engineering design so important?
2015 / 8-9. Magyar Installateur 21 Author: ZODTÁN FODOR development engineer, Geowatt Kft.
“On the efficiency and applicability of heat pumps III.”
In an article published in the Hungarian Installateur 2015 / 2-3, I presented the technical factors influencing the SCOP, SEER value of heat pump heating and cooling DHW systems. Continuing the train of thought, in the framework of this article, I would like to provide a thought-provoking experience primarily for practicing professionals and engineers …
28 Magyar Installateur 2015/5. Author: ZOLTÁN FODOR development engineer, Geowatt Kft.
“On the efficiency and applicability of heat pumps II.”
In the first part of the article, I described the regulation of the installation of heat pump systems, and I presented the technical and technological factors influencing the SCOP, SEER value of heat pump heating and cooling DHW systems. Now let’s continue the topic with the refrigerant tank and expansion valves! …
34 Magyar Installateur 2015/4. Author: ZOLTÁN FODOR development engineer, Geowatt Kft.
“New year, new support period, new expectations”
As an introduction, we formulate many times, but noticeably enough, what features and serious possibilities there are in Hungary for the use of heat pumps.Applicability of heat pumps, our geothermal properties Geothermal energy means thermal energy from the Earth’s interior, which is mainly fed by the decay heat of long-lived radioactive elements concentrated in the Earth’s crust.Due to the temperature difference between the surface and the deeper zones, heat flows to the Earth’s surface through radiation, flow and conduction and exits into the atmosphere.
24 Hungarian Installateur 2015 / 1.Auth: ZOLTÁN FODOR development engineer, Geowatt Kft.
“Heat pump system design in practice II.”
The heat pump system of the Pécs Blood Supply
In the previous part of the article, I presented the originally planned heat pump system of the Pécs Blood Supply building, as well as the design shortcomings that can fundamentally affect the efficiency of heat pump systems, the investment cost, and thus the price / value
In addition to the above, I mentioned the redesign of the heat pump system and, accordingly, the design of an alternative heat center and probe system that does not include the design flaws of the original system …
30 Hungarian Installateur 2014 / 10.Auth: ZOLTÁN FODOR development engineer, Geowatt Kft.
“Possibility of energy renovation of hospitals using heat pumps”
In the framework of this article, in addition to the general findings, I present the preliminary heat pump study of two hospitals (with probe and open well heat recovery mode) …
2014 / 6-7. Magyar Installateur 21 Author: ZOLTÁN FODOR development engineer, Geowatt Kft.
“Specific costs of geothermal heat pump systems for heating upgrades II.”
In both parts of the series – “Against the wind, or so unknown? II. ”- will be examined from a financial and economic point of view, namely in the case of heating modernizations in the case of different heat production methods and heating and cooling DHW capacities. Now let’s look at the evolution of LCOE values in these cases! …
2014/4. Magyar Installateur 31 Author: ZODTÁN FODOR development engineer, Geowatt Kft.
“Specific costs of geothermal heat pump systems for heating upgrades I.”
“Against the wind, or so unknown? II. ” We will now examine the applicability of geothermal heat pump systems from a financial and economic point of view.
2014 / 2-3. Magyar Installateur 25. Author: ZODTÁN FODOR development engineer, Geowatt Kft.
“Are you so unknown against the wind? II.”
In this section, I will focus on the topic of return on heat pump systems …
2014/1. Magyar Installateur 19 Author: FODOR ZOLTÁN development engineer, Geowatt Kft.
“Relationships between the bivalence point and price-value in heat pump systems II.”
In the first part of the article, I presented what a bivalent and monoenergetic system is, and we determined the bivalence point of heat pump systems as a function of the outside temperature, and I also described the conversion offer of a designed system. Now let’s look at a realized alternative system!
/ 2013/10. Magyar Installateur 25 / Author: FODOR ZOLTÁN development engineer, Geowatt Kft.
“Relationships between the bivalence point and price-value in heat pump systems .”
The most common counter-argument to heat pump systems is that investment costs are high and payback times are very long. Unfortunately, this counter-argument is not unfounded in many cases, typically in the case of heat pump systems implemented with tender funds.
/ 2013 / 8-9. Magyar Installateur 17 / Author: FODOR ZOLTÁN development engineer, Geowatt Kft.
“Utilization of drinking water heat”
“Heat, not just electricity” can be produced from hydropower! In this article, we present with technical and economic data the circuit diagram of a heat pump system from the connection to the water supply to the heat recovery …
Article authors:
Zoltán Fodor M.Sc. mg. mechanical engineer, civil engineer, fodor.zoltan@geowatt.hu
Ferenc Komlós M.Sc. mechanical engineer, komlosf@pr.hu
dr. Balikó Sándor CEM M.Sc. mechanical engineer, baliko@t-online.hu
ENERGY MANAGEMENT 54. vol. Issue 5, 2013
“Design of Brine-Water Heat Pump Systems IV.”
A szondahossz számítás szükségessége, gyakorlata
In Hungary, too, we have the knowledge, both from the equipment and technology side, to realize the construction of efficient, investment-cost geothermal heat pump systems …
2013/5. Magyar Installateur 33. Author: FODOR ZOLTÁN development engineer, Geowatt Kft.
“Design of closed probe heat pump systems III.”
Theoretical bases of probe length and SCOP calculation
In the framework of this article, I will continue to describe the sizing and theoretical foundations of the horizontal and vertical closed collector and probe systems started in the previous section …
2013/4. Magyar Installateur 25 Author: ZODTÁN FODOR development engineer, Geowatt Kft.
“Design of closed probe heat pump systems II.”
Theoretical bases of probe length and SCOP calculation
As mentioned in the previous section, in the following, as an engineer who has been using the sizing system developed by the “Oklahoma State University Dvision Of Engineering Technology” for more than 10 years, which is actually the sizing method of the International Ground Source Heat Pump Association (IGSHPA), I will to present it in the framework of this article to such an extent that it arouses the interest of Dear Engineer Colleagues who are interested in the topic and do not use the sizing system …
24 Magyar Installateur 2013 / 2-3. Author: ZOLTÁN FODOR development engineer, Geowatt Kft.
