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Dissertations / Theses on the topic 'Air heat recovery'

Author: Grafiati

Published: 4 June 2021

Last updated: 15 February 2022

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1

Meyer, Meyer. "Development of a range of air-to-air heat pipe heat recovery heat exchangers." Thesis, Stellenbosch : University of Stellenbosch, 2004. http://hdl.handle.net/10019.1/16389.

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Thesis (MScIng)--University of Stellenbosch, 2004.<br>ENGLISH ABSTRACT: As the demand for less expensive energy is increasing world-wide, energy conservation is becoming a more-and-more important economic consideration. In light of this, means to recover energy from waste fluid streams is also becoming more-and-more important. An efficient and cost effective means of conserving energy is to recover heat from a low temperature waste fluid stream and use this heat to preheat another process stream. Heat pipe heat exchangers (HPHEs) are devices capable of cost effectively salvaging wasted e

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2

Gillott, Mark C. "A novel mechanical ventilation heat recovery/heat pump system." Thesis, University of Nottingham, 2000. http://eprints.nottingham.ac.uk/12148/.

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The trend towards improving building airtightness to save energy has increased the incidence of poor indoor air quality and associated problems, such as condensation on windows, mould, rot and fungus on window frames. Mechanical ventilation/heat recovery systems, combined with heat pumps, offer a means of significantly improving indoor air quality, as well as providing energy efficient heating and cooling required in buildings. This thesis is concerned with the development of a novel mechanical ventilation heat recovery/heat pump system for the domestic market. Several prototypes have been dev

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3

Rodriguez-Anderson, Santiago Martin. "Sensible Air to Air Heat Recovery Strategies in a Passive House." PDXScholar, 2015. https://pdxscholar.library.pdx.edu/open_access_etds/2123.

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Due to rising energy costs and concerns about global climate change, high performance buildings are more in demand than ever before. With roughly 20% of the total energy consumption in the United States being devoted to residential use, this sector represents a significant opportunity for future savings. There are many guidelines and standards for reducing building energy consumption. One of the most stringent is the Passive House Standard. The standard requires that that air infiltration is less than or equal to 0.6 air changes per hour at a 50 Pascal pressure difference (ACH 50), annual heat

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4

Ahmad, Mardiana Idayu. "Novel heat recovery systems for building applications." Thesis, University of Nottingham, 2011. http://eprints.nottingham.ac.uk/13852/.

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The work presented in this thesis will explore the development of novel heat recovery systems coupled with low carbon technologies, and its integration to become one device with multifunction (building integrated heat recovery/cooling/air dehumidifier. In the first part of this thesis, an experimental performance of an individual heat recovery unit using Micro Heat and Mass Cycle Core (MHM3C) made of fibre papers with cross flow arrangement has been carried out. The unit was tested in an environmental control chamber to investigate the effects of various parameters on the performance of heat/e

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5

Liu, Shuli. "A novel heat recovery/desiccant cooling system." Thesis, University of Nottingham, 2008. http://eprints.nottingham.ac.uk/11602/.

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The global air temperature has increased by 0.74± 0.18 °C since 1905 and scientists have shown that CO2 accounts for 55 percentages of the greenhouse gases. Global atmospheric CO2 has been sharply increased since 1751, however the trend has slowed down in last fifty years in the Western Europe. UK and EU countries have singed the Kyoto agreement to reduce their greenhouse gas emissions by a collective average of 12.5% below their 1990 levels by 2020. In the EU, 40% of CO2 emission comes from the residential energy consumption, in which the HVAC system accounts for 50%, lighting accounts for 15

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6

Hoeck, Christopher Brady. "Analysis of a DDGS Air-Drying System with heat recovery." [Ames, Iowa : Iowa State University], 2008.

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7

Parr, Eric. "Performance of an air-to-air heat pump heating and recovery unit at high ventilation rates." Thesis, University of Central Lancashire, 2007. http://clok.uclan.ac.uk/20042/.

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This thesis reports on design and performance studies of a prototype combined air source heat pump and storage system, retro fitted to heat occupied spaces subjected to high ventilation rates. The source of heat is from the air in the extract duct. Two limiting thermal conditions exist. The first is the thermal capacity of air passing over the ducted heat exchangers. The second is the dew and freezing points of the exhaust air, because of the insulating effect of ice on exchanger fins and tubes. Both are alleviated to a significant extent with high mass flow rates passing down the duct, since

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8

Duarte, Marta. "Heat recovery units in ventilation : Investigation of the heat recovery system for LB20 and LB21 in Building 99, University of Gävle." Thesis, Högskolan i Gävle, Avdelningen för bygg- energi- och miljöteknik, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:hig:diva-21825.

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Heating, ventilation and air-conditioning (HVAC) systems are widely distributed over the world due to their capacity to adjust some local climate parameters, like temperature, relative humidity, cleanliness and distribution of the air until the desired levels verified in a hypothetical ideal climate. A review of buildings’ energy usage in developed countries shows that in the present this energy service is responsible for a portion of about 20% of the final energy usage on them, increasing up to 50% in hot-humid countries. In order to decrease this value, more and more different heat recovery

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9

Gustafsson, Marcus. "Energy efficient and economic renovation of residential buildings with low-temperature heating and air heat recovery." Licentiate thesis, KTH, Strömnings- och klimatteknik, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-172982.

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With the building sector accounting for around 40% of the total energy consumption in the EU, energy efficiency in buildings is and continues to be an important issue. Great progress has been made in reducing the energy consumption in new buildings, but the large stock of existing buildings with poor energy performance is probably an even more crucial area of focus. This thesis deals with energy efficiency measures that can be suitable for renovation of existing houses, particularly low-temperature heating systems and ventilation systems with heat recovery. The energy performance, environmenta

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10

Katta, Kiran Kumar. "Phase change cooling applications engine cooling /." To access this resource online via ProQuest Dissertations and Theses @ UTEP, 2008. http://0-proquest.umi.com.lib.utep.edu/login?COPT=REJTPTU0YmImSU5UPTAmVkVSPTI=&clientId=2515.

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11

Chen, Yanhui. "Optimization of the Fin Configuration of Air-cooled Condensing Wet Electrostatic Precipitator for Water Recovery from Power Plant Flue Gas." University of Cincinnati / OhioLINK, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1384334785.

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12

Zhao, Ruijie. "Analysis, simulation and optimization of ventilation of aluminum smelting cells and potrooms for waste heat recovery." Doctoral thesis, Université Laval, 2015. http://hdl.handle.net/20.500.11794/25771.

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En raison des quantités d’énergie requises par la production primaire d’aluminium et le rendement relativement faible, les rejets thermiques de cette industrie sont énormes. Ils sont par contre difficiles à utiliser à cause de leur faible température. De plus, tout changement apporté pour augmenter la température des rejets peut avoir un impact important sur la production. La compréhension du transfert thermique et de l’écoulement d’air dans une cuve peut aider à maintenir les conditions de la cuve lorsque des modifications y sont apportées. Le présent travail vise à développer cette compréhen

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13

Khadra, Alaa. "Economic Performance Assessment of Three Renovated Multi-Family Houses with Different HVAC Systems." Thesis, Högskolan Dalarna, Energiteknik, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:du-29076.

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Since the building sector is responsible for 40% of the energy consumption and 36% of CO2 emissions in the EU, the reduction of energy use has become a priority in this sector. The EU has adopted several policies to improve energy efficiency. One of these policies aims to achieve energy efficient renovations in at least 3% of buildings owned and occupied by governments annually. In Sweden, a large part of existing buildings was built between 1965 and 1974, a period commonly referred to as ‘miljonprogrammet’. Stora Tunabyggen AB, the public housing company in Borlänge municipality, begun a reno

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Mohamed, Mahamud, and Xianyun Long. "Att ta fram underlag för val av luftbehandlingssystem med återvinningssystem i Förvaltarens fastigheter." Thesis, KTH, Byggteknik och design, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-147535.

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Sverige och EU har man som mål att halvera energianvändningen fram till 2050 och det arbetet måste starta nu. Det är 15 miljoner kvm byggyta som måste halvera sin energianvändning varje år och i 40 år framåt. Redan idag är 70 % av alla hus till 2050 byggda, vilket innebär att även om vi skulle bygga passivhus fram tills dess skulle det inte räcka för att nå målet. Det är alltså en stor utmaning att halvera energianvändningen till 2050. En jämförelsestudie har genomförts mellan två värmeåtervinningssystem. Frånluftssystem med värmeåtervinning och från- och tilluftssystem med värmeåtervinning. M

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Ahlgren, Tobias, and Jalal Eliassi. "Värmeförluster vid utvändigt placerade ventilationssystem." Thesis, Linnéuniversitetet, Institutionen för teknik, TEK, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-20676.

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To be able to handle tomorrows need for limited energy consumption we need to reduce our use of energy. The building sector stands for around 40 % of all energy consumption in the society. The government has put up a goal to reduce the energy consumption in our buildings with 20 % by year 2020 and 50 % by year 2050 compared with year 1995. To be able to do reach that goal we need a more energy efficient building stock. The main part of the energy used in our buildings is used for space heating. By installing ventilation systems with heat recovery on the exhaust air it is possible to use the he

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16

Klučáková, Markéta. "Zpětné získávání tepla ve vzduchotechnice." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2018. http://www.nusl.cz/ntk/nusl-372032.

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The diploma thesis solves a project of air-conditioning with heat recovery in the gym and adjacent dressing rooms. Furthermore, experimental measurement of temperature and relative humidity is carried out in one year in an air-conditioning device with a heat recovery heat exchanger.

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17

Vrbický, Jiří. "Větrací a chladicí systém bytu v panelovém domě." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2011. http://www.nusl.cz/ntk/nusl-229869.

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The diploma thesis is consisting of theoretic part, which deal with used ventilating systems, ways of waste heat recovery and describe basic types of air-conditioning systems. Following part attend to design of ventilating system and multi-split air-conditioning system for flat. Part of design of ventilation system is calculation of noise levels in rooms. Air-conditioner design is based on calculation of thermal stress. Annual demand of cold and heat demand are calculated using TRANSYS software. Design documentation is part of the diploma thesis.

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Rohlíková, Věra. "Teplovzdušné vytápění." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2013. http://www.nusl.cz/ntk/nusl-226009.

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The subject of this master's thesis is warm air heating system. The task is to apply this heating method to a specified building and to design technical solutions. The degree of completion of the extended project is appropriate for the requirements of building permit documentation. Proposed solutions were evaluated in the viewpoint of inner environment, space requirements, operation economy and environmental impact. Warm air heating system made by Atrea is used for building heating. The text part of the thesis deals with building air permeability and the experimental part describes performance

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19

Bareika, Paulius. "Vėdinimo įrenginių su integruotais šilumos siurbliais projektavimas, tyrimas ir analizė." Master's thesis, Lithuanian Academic Libraries Network (LABT), 2013. http://vddb.laba.lt/obj/LT-eLABa-0001:E.02~2013~D_20130620_153425-09930.

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Magistro baigiamajame darbe nagrinėjami vėdinimo įrenginiai su integruotais šilumos siurbliais. Darbe atliekama tokios rūšies įrenginių literatūros apžvalga. Apžvelgiami šilumos siurblio komponentai, darantys didžiausią įtaką jo darbui. Darbo metu atlikti įrenginių projektavimo ir konstravimo darbai. Pateikiamos projektavimo rekomendacijos. Lyginami skirtingi kompresorių galios moduliacijos principai. Nagrinėjami įrenginių darbo režimai, kylančios problemos eksploatacijos metu, ieškomi problemų sprendimų būdai. Pateikiamos kintamo sukimosi greičio kompresorių galių moduliacijos ribos. Atliekam

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20

Švábenský, Jiří. "Větrání a vytápění průmyslové haly." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2008. http://www.nusl.cz/ntk/nusl-228110.

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The goal of this diploma thesis is suggest solution of ventilation and heating of industrial building. The solution is primarily based on calculation of thermal losses and thermal gains of the building. The project deals with supply of air for individual parts of construction in summer and winter. The solution consist of proposal of ducting and calculation of air handling units and unit heaters. The system of ventilation and heating is process in drawing documentation.

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21

Kolbábek, Antonín. "Energetická simulace vlivu zemního výměníku tepla na provoz rekuperační jednotky teplovzdušného vytápění." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2009. http://www.nusl.cz/ntk/nusl-228723.

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The thesis deals with energy simulation of a heat recovery system in coupling with a ground heat exchanger (GHE) in a low-energy family house with warm-air heating and ventilation. The effect of GHE on operation and effectiveness of a heat recovery unit was assessed from the results of the simulation. Next, energy and economic benefits of the heat recovery with and without GHE and consequent savings were evaluated as well. The profitability of the investment was assessed using comparison with the investment costs. Recommendations for the operation of the system were suggested.

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Kolbábek, Antonín. "Zemní výměníky tepla - provozní režimy a jejich vliv na mikrobiologická rizika." Doctoral thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2016. http://www.nusl.cz/ntk/nusl-263384.

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This thesis deals with the Air to Ground Heat Exchangers (AGHEx) and their effects on the hygienic quality of the supplied air and the microbial microclimate in the interior of buildings. The theoretical part focuses on current findings and knowledge in the field of warm air heating, ventilation of the low-energy and energy passive houses and ground heat exchanger for the ventilation systems to family houses. The next chapter deals with the quality of the indoor environment and the influence on HVAC systems on the building microclimate. The experimental part of the thesis presents the results

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Kuráňová, Helena. "Výměníky tepla." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2019. http://www.nusl.cz/ntk/nusl-392077.

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The master thesis deals with the issue of heat recovery and efficiency of exchangers. The experimental part is dedicated to the measurment of efficiency of a plastic model of heat exchanger with atypical construction compared to a standard plate heat exchanger. For production of the heat exchangers 3D printer was used so the thesis uses the possibilities that 3D printing is offering nowadays.

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Bobrovský, Ondřej. "Vzduchotechnika bazénových hal." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2018. http://www.nusl.cz/ntk/nusl-371831.

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Diploma thesis is focused on problematics of ventilation of swimming pool halls. Thesis describes the design of air handling units for swimming pool halls and operation risks. It presents different variants of ventilation with mentioned advantages and disadvantages of individual technical solutions. A swimming pool air handling unit was measured in real conditions as a part of experimental solution. The goal of measuring was to analyze thermal efficiency of cross flow heat exchanger aswell as to monitor working modes and functions of unit. Based on informations gathered during experimental mea

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Medina, Jean Pierre, and Zjikar Abdulla. "Värmeåtervinning ur ventilationsluft i äldre flerbostadshus : En jämförande studie av centralt FTX- och FX system." Thesis, KTH, Byggteknik och design, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-127004.

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En jämförelsestudie har genomförts mellan två värmesystem. Analysen har genomförts med ett flerbostadshus som referensfasighet. Fastigheten är lokaliserad i Södertälje kommun. Analysen går ut på att bestämma vilket värmesystem som är fördelaktigt vid renovering av äldre flerbostadshus med avseende på energi och kostnad. De systemen som har behandlats är ett centralt värmesystem med motströmsvärmeväxlare och ett centralt värmesystem med frånluftsvärmepump. Det centrala värmesystemet (Eq aggregat) är ett centralt från- och tilluftssystem med återvinning (FTX system). Systemet använder en motströ

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Snopek, Milan. "Řešení vybraných aspektů chlazení jatek." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2014. http://www.nusl.cz/ntk/nusl-226848.

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The topic of my diploma is a solution of selected aspects of cooling slaughterhouses. The main objective is the solution of mechanical cooling from the technical to the physical expression of nature and theoretical foundations comfort cooling.

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Jetelina, Michal. "Aplikace a energetické hodnocení entalpického výměníku." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2017. http://www.nusl.cz/ntk/nusl-265328.

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This master thesis is solving measuring the efficiency heat recovery and application unit, which includes heat recovery into selected building. In the first part of the thesis are analy-zed the different types of heat recovery system, their behavior and suitability of use in HVAC systems. The second part includes the actual experiment, when were measured parameters of air, which passed through the unit and then were analyzed the results. In the last part, third, was measured unit applied to the selected house and was compared to operation of the unit in case of use by the producer given unit p

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Lundin, Anders, and David Fransson. "Avluftningsventil på avlopp – är det en energibesparing? : En studie om avluftningsventilens inverkan på fastigheters energiåtgång." Thesis, KTH, Byggvetenskap, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-174886.

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Byggnader i Sverige står för en stor del av landets totala energianvändning och det är därför viktigt att man försöker hitta energieffektiviseringar kring detta område. Ibland kan det vara enklare än man tror att komma på billiga energibesparande lösningar. En självklar sak är att termodynamikens andra lag även gäller avlopp. Eftersom avlopp i hus är öppna system, exponerade mot bistra uteklimatet genom hål eller små skorstenar i taket och det kommunala avloppsystemet, så borde det rimligtvis försvinna värmeenergi från huset även där. Man kan tänka sig att det sker kallras på vintern eller ett

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Sokola, Robert. "Náhrada klasického zemního výměníku tepla solankovým u rodinného domu s teplovzdušným vytápěcím systémem." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2010. http://www.nusl.cz/ntk/nusl-229058.

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The thesis deals with an energy simulation of a ground heat exchanger (GHE) in classical and brine performance, which is used as an accessory of warm air heating system recovery in a low-energy family house. On basis of simulation results, the benefits of both heat exchangers were assessed. Furthermore, the energy and economics savings of heat recovery coupled with GHE were evaluated. Comparing the investment costs, the profitability of each investment were assessed and recommendations for the operation, implementation and appropriateness were outlined.

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Brázda, Jan. "Návrh vytápění a větrání pro „Emotivní dům“." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2017. http://www.nusl.cz/ntk/nusl-318833.

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This master’s thesis deals with the design of the heating and ventilation system for the ‘Emotivní dům’ which was designed by the author of this thesis. The first part of the thesis provides an overview of the project and the architectural design of the house. In the next part, the calculation of the heat loss and the design of the heating and ventilation system is described. War-air heating/ventilation is used in in the habitable rooms of the house with the hydronic system utilized in other spaces. The floor heating is used in the bathrooms and the other non-habitable spaces, such as the gara

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Nordbåge, Peter, and Anton Engwall. "Energianvändning för driftsatta ventilationsaggregat med värmeåtervinning." Thesis, KTH, Byggteknik och design, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-230887.

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I dagens samhälle ligger stort fokus på energianvändningen för bostäder och kommersiella fastigheter. Energianvändningen beskriver inte bara en byggnads energibehov, utan också miljö- och ekonomiska aspekter. Flerbostadshus är en del av Sveriges bostad- och servicesektor, som utgör 40 % av Sveriges totala energianvändning (Henning, 2017). Ventilationssystem i flerbostadshus utgör således en betydande del av fastighetens energianvändning och måste därför ständigt effektiviseras för att tjäna ett hållbart samhälle. I nuläget är den verkliga energianvändningen för ett flertal av JM:s driftsatta F

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Koutník, Martin. "Návrh teplovzdušného vytápění a větrání nízkoenergetického domku." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2008. http://www.nusl.cz/ntk/nusl-228142.

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The diploma thesis deals with design of warm air heating and ventilating system for low energy house. Introduction of this thesis is focused on dividing residential buildings by their heat requirement. Then problems of residential building ventilation and possibilities of warm air heating systems including heat recovery are presented. In the next chapter summary of ventilating units with heat recovery and warm air heating units for residential low energy buildings and pasive family houses is presented. Calculation of low energy house heat losses, which is solved, is based on CSN 06 0210, CSN 7

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Fojtík, Pavel. "Větrání budov s téměř nulovou spotřebou energie." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2017. http://www.nusl.cz/ntk/nusl-265339.

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Diploma thesis is focus on ventilation systems in Zero energy building and indoor air quality. Whole thesis has three part. First is about theory, where you can find law regulations and standards connected wit nZEB, factors influence IAQ and introduced ventilations systems. Second part is focus on particles transport in buildings like a nZEB and in heat recovery units. Last part of the thesis shows own design of the nZEB for Nový Lískovec.

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Winsjansen, Frida. "Utredning av energibesparingspotential och lönsamhet hos kompressorsystem med värmeåtervinning : För integrering i industriellt uppvärmningssystem." Thesis, Högskolan i Gävle, Avdelningen för bygg- energi- och miljöteknik, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:hig:diva-27776.

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För att tillgodose framtidens växande behov av energi och samtidigt bidra till en långsiktigt hållbar energitillförsel krävs resurs- och energieffektivisering inom flera sektorer. Inte minst inom industrin som år 2016 stod för mer än 50 procent av det globala energibehovet. Tillvaratagandet av befintliga resurser såsom spillvärme från tryckluftsproduktion är en möjlig effektiviseringsåtgärd. Till grund för examensarbetet ligger ett önskemål från koncernen Sandvik AB att utreda besparingspotential och kostnader för reinvestering i en av industrins kompressorcentraler, Götvalsverket. Reinvesteri

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Gustafsson, Marcus. "Energy Efficient Renovation Strategies for Swedish and Other European Residential and Office Buildings." Doctoral thesis, KTH, Strömnings- och klimatteknik, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-206186.

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The high energy use in the European building stock is attributable to the large share of old buildings with poor energy performance. Energy renovation of buildings is therefore vital in the work towards energy efficiency and reduced environmental impact in the EU. Yet, the strategies and energy system implications of this work have not been made clear, and the rate of building renovation is currently very low. The aim of this thesis is to investigate the economic and environmental aspects of energy renovation strategies, with two main objectives: Renovation of Swedish district heated multi-fam

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Almabrok, Almabrok Abdoalhade. "Analýza možností využití tepla pro ohřev teplé užitkové vody, vytápění a chlazení domácností." Doctoral thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2014. http://www.nusl.cz/ntk/nusl-233652.

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Rostoucí světová poptávka po méně efektivních zdrojích energie vede ke zvýšení zájmu o kogenerační technologie v sektoru domácností. Pomocí této technologie lze významně snižovat množství znečišťujících látek emitovaných při výrobě elektřiny a tepla pro domácnosti. Kogenerační systémy v sektoru domácností nabízí možnost produkce jak užitného tepla a elektřiny z jednoho zdroje paliva, např. motorové nafty či zemního plynu. Tato práce se zaměřuje na analýzu možností užití kogeneračních a tri-generačních technologií ke zlepšení efektivity využití primárního zdroje energie, zejména v zemích severn

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Lacina, Martin. "Vytápění domu s "téměř nulovou spotřebou" energie." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2013. http://www.nusl.cz/ntk/nusl-225995.

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The main content of this master thesis is the proposition for the heating of a multi-purpose building. The aim of this project is to find the best way how to manage heating with "nearly zero" energy consumption. In the first part of the thesis there is a description of currently the most common systems leading to energy savings. The second part consists of three possible technical alternatives, containing technical solutions for this particular building with the regard to the requirements of the task. The third part then consists of the chosen solution.

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Di, Cairano Luca. "Etude d'un système réversible climatisation/cycle Rankine organique : application au cas du véhicule terrestre." Thesis, Paris Sciences et Lettres (ComUE), 2019. http://www.theses.fr/2019PSLEM066.

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La récupération de chaleur dans les véhicules est une solution prometteuse permettant de réduire la consommation du moteur et de ses émissions. Les fortes contraintes de poids, compacité et coût présentes dans le domaine automobile empêchent l’intégration d’un système de récupération de chaleur dans le véhicule. Une solution proposée dans ce travail consiste en un système de multi-génération appelé ReverCycle. Ce dernier fonctionne avec trois modes: climatisation à compression de vapeur, cycle de Rankine Organique (ORC) et cycle de réfrigération à éjecteur. Le système peut assurer un seul mode

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Peigné, Pierre. "Etude d'un système combiné de ventilation et de chauffage au bois dans les bâtiments à basse consommation d'énergie." Phd thesis, Université de La Rochelle, 2012. http://tel.archives-ouvertes.fr/tel-00816015.

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Ce travail porte sur l'étude et le développement d'un système innovant de ventilation et de chauffage au bois dans les habitations à basse consommation d'énergie, qui sont appelées à devenir la référence constructive en France dès 2015. Dans ces habitations fortement isolées et particulièrement étanches à l'air, les besoins de chauffage sont très faibles et peuvent être couverts par une source de chaleur d'origine renouvelable, telle que le bois énergie. En outre, l'utilisation d'une ventilation performante s'impose comme étant un critère essentiel pour assurer la bonne qualité de l'air intéri

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Výravská, Zdeňka. "Vliv stavební konstrukce na tepelnou zátěž prostoru." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2014. http://www.nusl.cz/ntk/nusl-226871.

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This master’s thesis focuses on effect of outer building construction on thermal load of space. The effect of translucent and non-translucent construction is discussed. The project of air-conditioning system is prepared for the two alternatives of the translucent construction, including the purchase price of the airconditioning system and glazing and the savings on summer cooling. Afterwards the period of the recovery of investment is calculated. The plan of the airconditioning system is connected to my bachelor’s thesis “Airconditioning in the car showroom”, the subject of which was the plan

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Dokládalová, Tereza. "Vzduchotechnika nemocnice - Ecodesign 2018." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2020. http://www.nusl.cz/ntk/nusl-409861.

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The subject of this diploma thesis is a review of legislation about ecodesign, the design of air conditioning systems for hospital departments and analysis of energy consumption of air conditioning systems designed before and after ecodesign 2018. The thesis is divided into three parts. The theoretical part deals with research of ecodesign legislation (especially EU Commission Regulation No. 1253/2014) and air conditioning in health care facilities. In the second part design of two air-conditioning systems serving the hospital's traumatology department was realized at the level of documentatio

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LEFFLER, OSCAR, and NASSIF MANSOUR. "A Study of Energy Saving Actions in Older Buildings in Sweden." Thesis, KTH, Industriell ekonomi och organisation (Inst.), 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-240673.

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Modern energy saving technologies are become increasingly mature, easier to implement and financially profitable. Both the European Union and the Swedish government have directives with goals regarding energy savings for the year 2020 and 2030. Here, making buildings more energy efficient plays a large role as around 40% of the total energy usage in Europe can be related to buildings. Constructing new, nearly zero energy houses is currently very popular, but as a vast majority of all buildings in a country like Sweden are older buildings, built before 1980, a majority of the used energy will c

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Fonteles, Andr? Igor. "Desempenho aer?bio e controle auton?mico card?aco em idosas praticantes de tai chi chuan e sedent?rias." Universidade Federal do Rio Grande do Norte, 2013. http://repositorio.ufrn.br:8080/jspui/handle/123456789/14614.

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Made available in DSpace on 2014-12-17T14:44:16Z (GMT). No. of bitstreams: 1 AndreIF_DISSERT.pdf: 2389986 bytes, checksum: 01d8b844d40c7ba89fb858795c736fe4 (MD5) Previous issue date: 2013-02-28<br>Conselho Nacional de Desenvolvimento Cient?fico e Tecnol?gico<br>Os testes de caminhada de 6 minutos (TC6MIN) e 400 metros (TC400M) s?o utilizados como uma alternativa pr?tica e de baixo custo para avaliar a aptid?o aer?bia e o desempenho obtido nesses testes est? relacionado com n?veis de sa?de, capacidade funcional e risco de mortalidade. Al?m do desempenho nos testes, a avalia??o cardiovascula

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Slepánek, František. "Administrative building with low energy footprint." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2015. http://www.nusl.cz/ntk/nusl-227449.

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The aim of this diploma thesis is trying to solve difficulties connected with administrative buildings. In this thesis we are talking about possibility that administrative building can have low energy footprint. Most of energy consumption of administrative building is not created by heating but mostly by cooling and by consumption of office equipment. That is why there have been used modern equipment of the building as well as automatic control of building equipment.

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Barbosa, António José Camossa Mendes Rebelo. "Analysis and Development of a Heat Pump with Air-to-Air Heat Recovery System." Dissertação, 2002. https://repositorio-aberto.up.pt/handle/10216/113587.

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Barbosa, António José Camossa Mendes Rebelo. "Analysis and Development of a Heat Pump with Air-to-Air Heat Recovery System." Dissertação, 2018. https://hdl.handle.net/10216/113587.

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Barbosa, António José Camossa Mendes Rebelo. "Analysis and Development of a Heat Pump with Air-to-Air Heat Recovery System." Master's thesis, 2018. https://hdl.handle.net/10216/113587.

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Ball, Ian. "Evaluation of an air-to-air cross flow plate heat exchanger using a new heat recovery test facility." Thesis, 2003. http://spectrum.library.concordia.ca/2396/1/MQ90999.pdf.

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Air-to-air heat recovery is a means of energy conservation in buildings. The plate type cross flow heat exchangers is predominantly used in the HVAC industry because of their low cost, low pressure drop, and medium to high thermal effectiveness. The two main objectives of the present research are to design, fabricate and commission a new low cost innovative heat recovery test facility, and to utilize the facility to evaluate the thermal performance of cross flow plate type heat exchanger. The heat recovery test facility was designed based on two existing North American standards for testing ai

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Li, Cha-Feng, and 李居峯. "Development and Energy-Saving Analysis for Air-Conditioning Waste Heat Recovery System." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/76626865251615284087.

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碩士<br>國立勤益科技大學<br>冷凍空調系<br>98<br>Application of the hot water system can be broadly classified as Solar hot water system, Heat pump system and Air-conditioning heat recovery systems. Generally, when doing energy-saving analysis usually change new equipments to meet the needs of designers and achieve the good heat transfer effect to reduce the energy required, further to improve the performance of air conditioning equipment when the air-conditioning systems running. This study retrofitting a heat exchanger existing on air-conditions Chiller equipments in order to reduce equipment replaced costs

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Lin, Chih-Chung, and 林志忠. "Performance Analysis of Intelligent Heat Recovery and Photocatalyst Integration Air Purification System." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/03494627138501321842.

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碩士<br>國立勤益科技大學<br>冷凍空調系<br>102<br>This study constructed a heat recovery and photocatalyst integration air purification system in a residence. Releasing some liquid volume of aromqtic or furniture detergent into the house to generate indoor VOC sources .Besides, one or two persons act in the house in order to accumulate the CO2 concentration in the house .While CO2 sensors detect the CO2 concentration in the house exceeding the recommend indoor standard value, the total heat exchanger is activated by a controller to induce outdoor fresh air and remove the indoor pollute air with a suitable fl

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