Per Fahlén

Showing 224 publications

2017

Thermal comfort in the supermarket environment – multiple enquiry methods and simultaneous measurements of the thermal environment

Ulla Lindberg, Per Fahlén, Monica Axell et al
International Journal of Refrigeration. Vol. 82, p. 426-435
Journal article
2016

Experimental and numerical investigation of outlet guide vane and endwall heat transfer with various inlet flow angles

C. L. Wang, L. Luo, L. Wang et al
International Journal of Heat and Mass Transfer. Vol. 95, p. 355-367
Journal article
2016

Supermarket Environment, Thermal Comfort, Energy and Food Quality Efficiency

Ulla Lindberg, Per Fahlén, Monica Axell et al
Science et technique du froid. Vol. 2016-January, p. 391-398
Paper in proceeding
2016

Thermal Comfort in the Supermarket Environment - Multiple Enquiry Methods and Simultaneous Measurements of the Thermal Environment

Ulla Lindberg, Per Fahlén, Monica Axell et al
Science et technique du froid. Vol. 2016-January, p. 41-48
Paper in proceeding
2013

Endwall Heat Transfer Measurements of an Outlet Guide Vane at on and off Design Conditions

Lei Wang, Per Fahlén, Valery Chernoray et al
ASME Turbo Expo 2013: Turbine Technical Conference and Exposition, GT 2013; San Antonio, Tx; United States; 3 June 2013 through 7 June 2013. Vol. 3C, p. 1-8
Paper in proceeding
2012

Ventilation kräver samverkan mellan flera yrkesgrupper

Mattias Gruber, Per Fahlén, Lars Ekberg et al
Fastighetsförvaltaren (2), p. 38-39
Magazine article
2012

Direct cooling of shopping malls in cold climates - Potential and limitations

S. Stensson, Per Fahlén
7th International Cold Climate HVAC Conference, Calgary, Canada, 12-14 November 2012, p. 53-60
Paper in proceeding
2011

Komfortkyla med eller utan värmepump

Per Fahlén
Kyla (7), p. 32-38
Magazine article
2011

NOISE LEVEL IN RELATION TO ENERGY PERFORMANCE OF AIR-TO-AIR HEAT PUMPS

Ola Gustafsson, Henrik Johansson, Per Fahlén et al
10th international heat pump conference
Paper in proceeding
2011

Capacity Control of Air Coils for Heating and Cooling: Transfer Functions, Drive Power and System Design

Per Fahlén, Caroline S Markusson
ASHRAE Transactions. Vol. 117, p. 40-47
Paper in proceeding
2011

Analys av miljöforskningen inom byggområdet i Sverige

Carl-Johan Johansson, Per Fahlén, Katarina Malaga et al
Report
2011

Demonstrationsplattform för näranollenergibyggnader - Småhus

Svein Ruud, Per Fahlén, Monica Axell et al
Report
2011

An Experimental Investigation of the Accuracy of Thermal Response Tests Used to Measure Ground Thermal Properties

Saqib Javed, J. D. Spitler, Per Fahlén
ASHRAE Transactions. Vol. 117 (1), p. 13-21
Journal article
2011

Capacity control of air coils - drive power, system design and modeling of variable liquid flow air coils

Caroline S Markusson, Per Fahlén, Lennart Jagemar
23nd International Congress of Refrigeration, International Institute of Refrigeration
Paper in proceeding
2011

Termisk modellering och utvärdering av borrhålssystem.

Saqib Javed, Per Fahlén
Energi & Miljö (6-7), p. 51-54
Magazine article
2011

System design for energy efficient pump operation in buildings

Caroline S Markusson, Per Fahlén, Lennart Jagemar
eceee 2011 Summer Study
Paper in proceeding
2011

Energy efficiency in Supermarkets and directives for efficiency – Implication of EU efficiency directives

Ulla Lindberg, Lennart Rolfsman, Monica Axell et al
23nd International Congress of Refrigeration, International Institute of Refrigeration
Paper in proceeding
2011

Ökande koldioxid ger ökande ventilationskrav?

Per Fahlén
Energi&Miljö. Vol. 82 (8), p. 10-
Magazine article
2011

Energieffektiva byggnader - Behovsrelaterad användning, effektiv tillförsel

Per Fahlén
IVA projektmöte
Other conference contribution
2011

Thermal Response Testing of a Multiple Borehole Ground Heat Exchanger

Saqib Javed, Per Fahlén
International Journal of Low Carbon Technologies. Vol. 6, p. 141-148
Journal article
2011

Influence of system design on the efficiency of heat pump systems for space conditioning (key note)

Per Fahlén
23nd International Congress of Refrigeration, International Institute of Refrigeration
Paper in proceeding
2011

Energy-efficient flat-tube heat exchangers in indirect display cabinet and air-conditioning applications

Caroline Haglund Stignor, Per Fahlén, Monica Axell
23nd International Congress of Refrigeration, International Institute of Refrigeration
Paper in proceeding
2011

An experimental investigation of the accuracy of thermal response tests used to measure ground thermal properties

Saqib Javed, Per Fahlén, Jeffrey D Spitler
ASHRAE Transactions. Vol. 117 (1), p. 13-21
Journal article
2011

Noise level in relation to energy performance of air-to-air heat pumps

Ola Gustafsson, Henrik Johansson, Per Fahlén et al
10th IEA Heat Pump Conference
Paper in proceeding
2010

Varmvatten test av värmepumpar - Diverse gamla resultat

Per Fahlén
Möte i Effsys-projektet "P11 Värmepumpar för varmvatten"
Other conference contribution
2010

The future of DCV - Research areas and possibilities

Per Fahlén
10th REHVA World congress Clima 2010 Sustainable Energy Use in Buildings, workshop 5: Demand Controlled Ventilation
Other conference contribution
2010

Energieffektivisering i köpcentra - Steg 1

Sofia Stensson, Per Fahlén, Monica Axell
Report
2010

Development and Planned Operation of a Ground Source Heat Pump Test Facility

Saqib Javed, Per Fahlén
IEA Heat Pump Center Newsletter. Vol. 28 (1-2010), p. 32-35
Magazine article
2010

Indoor thermal environment in supermarkets - comparison of measured and perceived comfort parameters

Ulla Lindberg, Monica Axell, Per Fahlén et al
10th REHVA World congress Clima 2010 Sustainable Energy Use in Buildings
Paper in proceeding
2010

Demand-controlled ventilation - Limitations and definitions

Per Fahlén
10th REHVA World congress Clima 2010 Sustainable Energy Use in Buildings, workshop 5: Demand Controlled Ventilation
Other conference contribution
2010

Heat pump applications and definitions

Per Fahlén
Project conference EU Heat Pump, Nortek, Oslo, Norway
Other conference contribution
2010

Installationsteknik - Inomhusmiljö, installationer, resursanvändning

Per Fahlén
Project meeting "Optimization of ground storage heat pump systems"
Other conference contribution
2010

Free cooling by dry coolers in a large shopping mall

Sofia Stensson, Monica Axell, Per Fahlén
10th REHVA World congress Clima 2010 Sustainable Energy Use in Buildings
Paper in proceeding
2010

Ventilationssystem - Värme, kyla och el-användning till fläktar

Per Fahlén
Projektmöte "Effektivisering av byggnadsrelaterad pump- och fläktdrift"
Other conference contribution
2010

Vertical display cabinets without and with doors – a comparison of measurements in a laboratory and in a supermarket

Ulla Lindberg, Monica Axell, Per Fahlén
1st IIR International Conference on Sustainability and the Cold Chain
Paper in proceeding
2010

Electricity use and efficiency potential of pump and fan operation in buildings

Caroline S Markusson, Johan Åström, Per Fahlén et al
10th REHVA World congress Clima 2010 Sustainable Energy Use in Buildings
Paper in proceeding
2010

Thermal Response Testing of a Multiple Borehole Ground Heat Exchanger

Saqib Javed, Per Fahlén
SET2010 - 9th International Conference on Sustainable Energy Technologies; Shanghai, China. 24-27 August, 2010
Paper in proceeding
2010

Optimering av marklageranslutna värmepumpsystem för klimatisering av byggnader

Per Fahlén, Saqib Javed, Johan Claesson
Report
2010

Frikyla - Inte så billigt som det låter

Mark Kretz, Per Fahlén
Energi & Miljö. Vol. 81 (48), p. 10-
Magazine article
2010

Energy recovery in air handling systems in non-residential buildings - design considerations

Caroline S Markusson, L. Jagemar, Per Fahlén
ASHRAE Transactions. Vol. 116, p. 154-167
Paper in proceeding
2010

Chalmers mäter trivsel

Per Fahlén
Byggnadstidningen
Magazine article
2010

Analytical Modelling of Short-term Response of Ground Heat Exchangers in Ground Source Heat Pump Systems

Saqib Javed, Johan Claesson, Per Fahlén
10th REHVA World Congress, Clima 2010, Antalya, Turkey, May 9-12, Proceedings vol. CD-proceedings
Paper in proceeding
2010

Så mycket energi kan vi spara kostnadseffektivt

Per Fahlén
Sveriges Energiting 2010
Other conference contribution
2010

Värmepumpar i praktiken - Termodynamik i samverkan med byggnaders installationer

Per Fahlén
Chalmers EnergiCentrum - Föreläsningar i energiteknik
Other conference contribution
2010

Heat Transfer and Pressure Drop Under Dry and Humid Conditions in Flat-Tube Heat Exchangers With Plain Fins

Caroline Haglund Stignor, Bengt Sundén, Per Fahlén et al
Heat Transfer Engineering. Vol. 31 (3), p. 179-192
Journal article
2010

Influence of ventilation-system design on the use of heating, cooling and drive energy to fans

Per Fahlén, Caroline S Markusson, Lennart Jagemar
10th REHVA World congress Clima 2010 Sustainable Energy Use in Buildings
Paper in proceeding
2010

Optimization of ground storage heat pump systems for space conditioning of buildings

Per Fahlén
Project meeting "Optimization of ground storage heat pump systems"
Other conference contribution
2009

Specific energy use in Swedish and Norwegian shopping malls

Sofia Stensson, Monica Axell, Per Fahlén et al
ECEEE Summer Study 2009, France, 2009-06-01--06. Proceeding vol. CD-proceedings
Other conference contribution
2009

Sistemas de bombas de calor: Aspectos sobre la efficiencia - Adaptación de la carga y pérdidas parasitarias

Per Fahlén
Frio Calor Aire Acondicionado,2009-02, Madrid, Spain. (411), p. 44-57
Paper in proceeding
2009

Vertical ground heat exchangers: A review of heat flow models

Saqib Javed, Per Fahlén, Johan Claesson
Effstock 2009- Stockholm, Sweden, 2009-06-14--17. Proceedings vol. CD-proceedings
Paper in proceeding
2009

Så krångligt enkelt - Titta så mycket professor Fahlén sparat på sin energilösning

Per Fahlén, Mark Kretz
Energi & miljö. Vol. 80 (3), p. 16-18
Journal article
2009

Lighting powers in shops and their effect on the energy performance of a shopping mall

S. Stensson, Monica Axell, Per Fahlén et al
11th International IBPSA Conference - Building Simulation 2009, BS 2009; Glasgow; United Kingdom; 27 July 2007 through 30 July 2007, p. 1260-1267
Paper in proceeding
2009

An experimental study of liquid phase heat transfer in multiport minichannel tubes

Caroline Haglund Stignor, Per Fahlén, Bengt Sundén
Heat Transfer Engineering. Vol. 30 (12), p. 941-951
Journal article
2009

Chalmers återinviger tekniklab

Per Fahlén, A Hjorth
Scanref. Vol. 38 (6), p. 16-
Magazine article
2009

Study of Performance on Recharging the Borehole by Means of Exhaust-air Energy

Ya S. Zhou, Per Fahlén
Journal of Donghua University (English Edition). Vol. 26 (2), p. 126-131
Journal article
2009

Modelling for optimizing brine temperature in ground source heat pump systems

Saqib Javed, Per Fahlén, Henrik Holmberg
8th conference on sustainable energy technologies, Aachen, Germany, 2009-08-312--09-03. Proceedings vol. CD-proceedings
Paper in proceeding
2009

Energy-efficient flat-tube heat exchangers for indirectly cooled display cabinets

Caroline Haglund Stignor, Per Fahlén, Bengt Sundén
International Journal of Refrigeration. Vol. 32 (6), p. 1460-1471
Journal article
2009

Ultrafine particles control strategy in printer rooms: model and experiment study on portable air cleaner and HVAC combination

Bingbing Shi, Lars Ekberg, Per Fahlén
9th International Healthy Buildings Conference and Exhibition, HB 2009; Syracuse, NY; United States; 13 September 2009 through 17 September 2009
Paper in proceeding
2009

Energy use in the buildings of Sweden

Per Fahlén
IVA-CAE workshop on Green energy for sustainable cities, (IVA the Royal Swedish Academy of Engineering Sciences), Stockholm, Sweden.
Other conference contribution
2009

Glädje över Chalmers nya laboratorium

Per Fahlén, Sigrid Gehlin
Energi & miljö. Vol. 80 (11), p. 9-
Magazine article
2009

Energieffektiv bebyggelse och fjärrvärme i framtiden

Ingrid Nyström, Martin Erlandsson, Torbjörn Lindholm et al
Report
2008

Efficiency aspects of heat pump systems - Load matching and parasitic losses (keynote speach)

Per Fahlén
9th IEA Heat Pump Conference, Zürich, Switzerland, Proceedings vol. CD-proceedings,
Paper in proceeding
2008

Impact of design and thermal inertia on the energy saving potential of capacity controlled heat pump heating systems

Per Fahlén, Fredrik Karlsson
International Journal of Refrigeration. Vol. 31 (6), p. 1094-1103
Journal article
2008

Building services engineering - Indoor environment, technical systems, resources

Per Fahlén
Symposium med Veoila, Chalmers Energiteknik
Other conference contribution
2008

Naturen som värmekälla – eller hur jag i mitt 70-tals hus, med god marginal, klarar framtidsmålet i IVAs Energiframsyn

Per Fahlén
IVA-seminarium, IVA, Stockholm. Proceedings (VVS-föreningen.)
Journal article
2008

Tappvattenvärmning med värmepump– Alternativa systemlösningar för varmvatten och värme

Per Fahlén
Projektmöte Effsys II, Chalmers, Göteborg
Other conference contribution
2008

Reglering av värme och kyla – central eller decentral pumpinstallation?

Per Fahlén
Älvsjömässan, Stockholm, Proceedings (VVS-tekniska föreningen.)
Journal article
2008

Byggnadsautomation - Bättre teknik önskas - Styr- och regler på Chalmers

Björn Åslund, Per Fahlén
Energi&Miljö. Vol. 79 (11), p. 65-
Journal article
2008

Nytt projekt för bättre luft - Chalmers ska studera luftreningsteknik

Lars Ekberg, Per Fahlén, Lennart Jagemar et al
Energi&Miljö. Vol. 79 (5), p. 63-
Magazine article
2008

Decentraliserade pumpsystem sparar energi

Mark Kretz, Per Fahlén
Energi&Miljö. Vol. 79 (5), p. 58-
Journal article
2008

Decentraliserade pumpar på gång

Björn Åslund, Per Fahlén, Rolf Jonasson
Energi&Miljö. Vol. 79 (11), p. 32-34
Journal article
2008

Klimatet, värmen och kylan

Ingar Lindholm, Per Fahlén
Energi&Miljö. Vol. 79 (5), p. 32-33
Journal article
2008

Appropriate indoor environment in supermarkets for environmentally sustainable supermarkets - Measurements and questionnaires

Ulla Lindberg, Monica Axell, Per Fahlén et al
Indoor Air 2008, Copenhagen, Danmark
Paper in proceeding
2008

Behovsstyrning av komfort och luftkvalitet - Studier av nya systemlösningar

Ragib Kadribegovic, Per Fahlén, Lars Ekberg et al
Energi & miljö, Förlags AB VVS. Vol. maj 2008 (5), p. 1-
Magazine article
2008

Air cleaning technologies - Function requirements and energy efficiency

Ragib Kadribegovic, Lars Ekberg, Per Fahlén
Proceedings of Indoor Air 2008, Copenhagen, Denmark 17-22 August 2008 (Paper ID 243), p. 8-
Paper in proceeding
2008

Efficiency aspects of heat pump systems - Load matching and parasitic losses

Per Fahlén
IEA Heat pump centre Newsletter. Vol. 26 (3)
Magazine article
2008

Nya systemlösningar ger effektivare pump- och fläktdrift

Per Fahlén
BIC-nytt (1)
Magazine article
2008

Supermarkets, indoor climate and energy efficiency - Field measurements before and after installation of doors on refrigerated cases

Ulla Lindberg, Monica Axell, Per Fahlén et al
International Refirgeration and Air Conditioning Conference, Purdue, USA
Paper in proceeding
2007

Capacity-controlled ground source heat pumps in hydronic heating systems

Fredrik Karlsson, Per Fahlén
International Journal of Refrigeration. Vol. 30 (2007), p. 221-229
Journal article
2007

Appropriate indoor air climate for environmentally sustainable supermarkets ? Field measurements

Ulla Lindberg, Monica Axell, Per Fahlén et al
Proceedings 22nd International World Congress on Refrigeration, Beijing, China
Paper in proceeding
2007

Capacity control of liquid-cooled air-coolers

Per Fahlén, Caroline S Markusson, Caroline Haglund Stignor
Proceedings 22nd International Congress of Refrigeration, Beijing, China
Paper in proceeding
2007

Capacity control of air-coils in systems for heating and cooling - Transfer functions and drive power to pumps and fans

Per Fahlén
Proceedings 19th International Congress of Refrigeration, Göteborg
Paper in proceeding
2007

Opportunities in the design of control-on-demand HVAC systems

Per Fahlén, Caroline S Markusson
Proceedings of 9th REHVA World congress Clima 2007 Wellbeing Indoors
Paper in proceeding
2007

Design of different types of secondary loop cooling systems in supermarkets ? Comparison of energy use and costs

Caroline Haglund Stignor, Per Fahlén, Bengt Sundén
Proceedings 22nd International Congress of Refrigeration, Beijing, China
Paper in proceeding
2007

Moderna ventilationssystem med variabla flöden

Per Fahlén
Sveriges Energiting
Other conference contribution
2007

Värmepump, frikyla och borrhålslager

Per Fahlén
Kyltekniska föreningens avdelningsmöte,Göteborg
Other conference contribution
2007

Från 50 Hz till anpassat inomhusklimat - Effektivisering av byggnadsrelaterad pump- och fläktdrift. Systemlösningar, motorteknik och styrning.

Per Fahlén, Caroline S Markusson, Lennart Jagemar et al
Göteborg Energis forskningsdag, Göteborg
Other conference contribution
2007

Liquid side heat transfer and pressure drop in finned-tube cooling-coils operated with secondary refrigerants

Caroline Haglund Stignor, Per Fahlén, Bengt Sundén
International Journal of Refrigeration. Vol. 30, p. 1278-1289
Journal article
2007

Behovsstyrning av värme, kyla och luft

Per Fahlén
Ny Teknik (14-15)
Magazine article
2007

Tappvattenvärmning med värmepump - Tekniska lösningar

Per Fahlén
VVS-Forum (Teknik&Installation), p. 54-58
Magazine article
2007

Air-source heat pumps ? Criteria for defrost initiation

Fredrik Karlsson, Jessica Erlandsson, Per Fahlén
Proceedings 22nd International Congress of Refrigeration, Beijing, China
Paper in proceeding
2007

Tappvattenvärmning med värmepump - Termodynamiska förutsättningar

Per Fahlén
VVS-Forum (Teknik&Installation), p. 52-53
Magazine article
2006

Analysis of Measurements - Uncertainty, Concepts and Procedures

Per Fahlén
Visiting lecturer
Other conference contribution
2006

Spara energi med värmeåtervinning ur frånluft

Per Fahlén
Energieffektivitet i byggnader
Other conference contribution
2006

Hur kan vi energieffektivisera i befintligt bostadsbestånd?

Per Fahlén
Sveriges Energiting
Paper in proceeding
2006

Efficiency of pump operation in hydronic heating and cooling systems

Per Fahlén, Hendrik Voll, Jüri Naumov
Journal of Civil Engineering and Management. Vol. 12 (1), p. 57-62
Journal article
2006

"Frikyla" och "gratisvärme"

Per Fahlén
Energi&Miljö. Vol. 77 (4), p. 7-
Magazine article
2006

Produktionsrelaterade systemstudier

Erik Ahlgren, Thore Berntsson, Ola Carlson et al
Report
2006

Teknik och goda exempel finns - Varför bygger vi inte mera energisnålt

Per Fahlén
Kyltekniska föreningens avdelningsmöte
Other conference contribution
2006

Framtida värmepumpssystem - Förutsättningar och påverkansfaktorer

Per Fahlén
Villavärmepumpar igår, idag och imorgon
Other conference contribution
2006

Energy use in the buildings of Sweden

Per Fahlén
Visiting lecturer
Other conference contribution
2006

Energianvändning, innemiljö och beteendevetenskap - Fas II: Behov och behovsstyrning

Per Fahlén, Niklas Fransson, Jan Gusten et al
Report
2005

En utmaning att definiera människors behov av energi

Bertil Strandh, Per Fahlén
Vardagens elvanor/ Krögerström, Lars, p. 56-57
Magazine article
2005

Lönsamt att uppfylla behoven

Per Fahlén
VVS-Forum. Vol. 2005-10 (Teknik&Installation), p. 4-6
Magazine article
2005

Flat-tube heat exchangers for indirectly cooled display cabinets - Theory and experiments

Caroline Haglund-Stignor, Per Fahlén, Bengt Sundén et al
IIR Commercial Refrigeration; Proceedings of the 21st International Congress of Refrigeration
Other conference contribution
2005

Som naturen - eller bättre?

Per Fahlén
VVS-Forum. Vol. 2005-10 (Teknik&Installation), p. 90-
Magazine article
2005

Effektivisering av byggnadsrelaterad pump- och fläktdrift ? Systemlösningar, motorteknik och styrning

Per Fahlén
Uppstartsmöte i forskningsprojekt
Other conference contribution
2005

Effektiva värmepumpslösningar - Alternativ vid konvertering av elvärmda hus

Per Fahlén
Sveriges Energiting
Other conference contribution
2005

Möjligheter och risker med naturliga köldmedier

Per Fahlén
VVS-Forum. Vol. 2005-04 (Teknik&Installation), p. 58-60
Magazine article
2005

Produktionsrelaterade systemstudier

Ola Carlson, Per Fahlén, Erik Ahlgren et al
Elforskdagen 041026
Other conference contribution
2005

Den energieffektiva kyldisken

Monica Axell, Per Fahlén
4:e eff-Sys-dagen. Vol. 1, p. 7-
Other conference contribution
2005

Optimization of ground-coupled systems for heating and cooling of buildings

Jüri Naumov, Per Fahlén
Scanvac Newsletter (2), p. 8-
Magazine article
2005

Värmepump för värme och varmvatten ? Ackumulering och styrning

Per Fahlén
4:e eff-Sys-dagen
Other conference contribution
2005

Utopi att uppfylla behoven hos varje människa i varje ögonblick

Per Fahlén
Vardagens elvanor/ Krögerström, Lars, p. 63-64
Magazine article
2005

Värmepumpen i olika värmesystem

Fredrik Karlsson, Monica Axell, Per Fahlén
Sveriges Energiting
Magazine article
2005

Så fungerar ett driftsäkert köldmedium

Per Fahlén
VVS-Forum. Vol. 2005-04 (Teknik&Installation), p. 56-57
Magazine article
2005

Feed-forward in temperature control of buildings

Bertil Thomas, Mohsen Soleimani-Mohseni, Per Fahlén
Energy and Buildings. Vol. 37 (7), p. 755-761
Journal article
2005

Optimizing and controlling media flows in heat pump systems

Per Fahlén, Fredrik Karlsson
8th IEA Heat Pump Conference. Vol. CD
Paper in proceeding
2005

Värmepumpar måste inte vara en legionellarisk

Per Fahlén
VVS-Forum. Vol. 2005-04 (Teknik&Installation), p. 64-66
Magazine article
2005

Energianvändning och inomhusmiljö - Intelligent behovsstyrning

Per Fahlén
Elandagen
Other conference contribution
2005

Forskning om inomhusklimat

Per Fahlén
VVS-Forum. Vol. 2005-10 (Teknik&Installation), p. 6-
Magazine article
2005

Att räkna människor och glödlampor ger förutsägelser av husets värmebehov

Mohsen Soleimani-Mohseni, Bertil Thomas, Per Fahlén
Vardagens elvanor/ Krögerström, Lars, p. 60-62
Magazine article
2005

Performance audits of heat pumps - procedures and uncertainties

Per Fahlén
8th IEA Heat Pump Conference. Vol. CD
Paper in proceeding
2005

Ventilationssystemet kan anpassas till behovsstyrningen

Andreas Karlsson, Per Fahlén
Vardagens elvanor/ Krögerström, Lars, p. 67-68
Magazine article
2005

Flattube heat exchangers for indirectly cooled display cabinets-Theory and experiments

C Haglund-Stignor, Per Fahlén, B Sundén et al
IIR Commercial Refrigeration 050830-31
Other conference contribution
2005

Teknik och goda exempel finns - Varför bygger vi inte mera energisnålt

Per Fahlén
SVR Samhällsbyggnadsdagar 2005
Other conference contribution
2005

Energieffektiva kylbatterier och köldbärarsystem

Caroline Haglund-Stignor, Per Fahlén, Bengt Sundén et al
4:e eff-Sys-dagen. Vol. 1
Other conference contribution
2005

Installationstekniken ska klara funktionskraven

Per Fahlén
Energi och bebyggelse - teknik och politik, p. 160-171
Magazine article
2005

Forskargruppen vid Chalmers tekniska högskola

Per Fahlén
Vardagens elvanor/ Krögerström, Lars, p. 58-59
Magazine article
2005

Design and optimum control of a Swedish dual-source (air and ground) heat pump system

Torbjörn Lindholm, Robert Hoflund, Yasu Zhou et al
8th IEA Heat Pump Conference. Vol. CD, p. 1-13
Paper in proceeding
2005

Driftoptimering av värmepumpssystem - Resultat från provningar

Fredrik Karlsson, Per Fahlén, M Stenlund
Report
2005

Patienter och personal kan enas om 22,5 grader

Jennie Skoog, Per Fahlén
Vardagens elvanor/ Krögerström, Lars, p. 65-66
Magazine article
2005

Kapacitetsreglering av bergvärmepump

Fredrik Karlsson, Per Fahlén
4:e eff-Sys-dagen
Other conference contribution
2005

Med hjärnan som modell - Smart styrning av framtidens inomhusklimat

Per Fahlén
VVS-Forum. Vol. 2005-10 (Teknik&Installation), p. 88-90
Magazine article
2004

Låt behoven styra inomhusklimatet!

Per Fahlén
Elforskdagen
Other conference contribution
2004

Halverade energibidrag utarmar branschen

Kristina Sjöberg, Per Fahlén
Energi&Miljö. Vol. 75 (12), p. 32-34
Magazine article
2004

Methods for commissioning and performance checking of heat pumps and refrigeration equipment

Per Fahlén
IIR conference compressors 2004
Other conference contribution
2004

Efficiency of pump operation in hydronic heating and cooling systems

Per Fahlén, Hendrik Voll, Jüri Naumov
Energy for Buildings
Paper in proceeding
2004

Indoor Environment in Hospital Wards: A Study in a Swedish Hospital

Jennie Skoog, Lennart Jagemar, Niklas Fransson et al
ASHRAE IAQ 2004 - Critical Operations: Supporting the Healing Environment through IAQ Performance Standards. Vol. 1
Paper in proceeding
2004

Det energieffektiva kylbatteriet

Caroline Haglund-Stignor, Per Fahlén, Bengt Sundén et al
3:a eff-Sys-dagen. Vol. 1
Other conference contribution
2004

Energibesparing i fastigheter

Per Fahlén
Fastighetsförvaltaren (6), p. 14-
Magazine article
2004

Den energieffektiva kyldisken

Monica Axell, Per Fahlén
3:a eff-Sys-dagen. Vol. 1, p. 7-
Other conference contribution
2004

Effektiv användning och försörjning av energi i byggnader - Behov och behovsstyrning

Per Fahlén
CAVA-projektet, uppstartsmöte
Other conference contribution
2004

Driftoptimering av värmepumpssystem

Fredrik Karlsson, Per Fahlén
3:e eff-Sys-dagen. Vol. 1
Other conference contribution
2004

Evaluation de l'impact environnemental des systèmes de conditionnement d'air

Katarina Heikkilä, Per Fahlén
Revue génerale du Froid. Vol. 94 (1046), p. 43-49
Journal article
2004

Behov och behovstyrning

Per Fahlén
Elan-workshop
Other conference contribution
2004

Bergvärmepump med borrhålsåterladdning

Per Fahlén
Energi&Miljö. Vol. 75 (4), p. 59-62
Magazine article
2004

Morgondagens VVS-system - En blick in i framtiden

Per Fahlén
Pumpseminarium
Other conference contribution
2004

Villavärmepumpar - Bergvärme: Konvertering av elvärmda småhus

Per Fahlén
Hur man med ett hål i backen på bästa sätt kompletterar två hål i väggen
Other conference contribution
2004

Värmepumpar i vattenburna system ? Effektiva lösningar med värme och varmvatten vid konvertering av elvärmda småhus

Per Fahlén
3:e eff-Sys-dagen. Vol. 1, p. 16-
Other conference contribution
2003

Kylteknisk utbildning och forskning vid Chalmers

Per Fahlén
Butikskyla
Other conference contribution
2003

Optimal operation of cooling-coils for display cabinets in secondary-loop refrigeration systems

Caroline Haglund-Stignor, Per Fahlén, Bengt Sundén et al
21st International Congress of Refrigeration
Paper in proceeding
2003

Evaluation of the environmental impacts of air-conditioning systems at the design stage

Katarina Heikkilä, Per Fahlén
21st International Congress of Refrigeration
Paper in proceeding
2003

Kvalitetsdeklaration av mät- och beräkningsresultat

Per Fahlén
2:a eff-Sys-dagen. Vol. 1, p. 29-
Other conference contribution
2003

Butikskyla

Per Fahlén
Report
2003

Värmepumpen - Miljöbov eller miljöräddare

Per Fahlén
Kyla (2), p. 22-24
Magazine article
2003

Integrerad styrning av kyl- och värmepumpsanläggningar

Fredrik Karlsson, Per Fahlén
2:a eff-Sys-dagen. Vol. 1, p. 7-
Other conference contribution
2003

Energy saving potential of capacity controlled brine-to-water heat pumps

Fredrik Karlsson, Per Fahlén
21st International Congress of Refrigeration
Paper in proceeding
2003

Heat Pump Test Procedures and Energy Efficiency Labels

Per Fahlén
IEA Heat pump centre Newsletter. Vol. 21 (1)
Magazine article
2003

Achieving the desired indoor climate - Energy efficiency aspects of system design

Enno Abel, Per-Erik Nilsson, Lars Ekberg et al
Book
2003

Improving Efficiency of Hydronic Heat Pump Heating Systems

Per Fahlén, Fredrik Karlsson
21st International Congress of Refrigeration
Paper in proceeding
2003

Design criteria for energy efficient vertical air curtains in display cabinets

Monica Axell, Per Fahlén
21st International Congress of Refrigeration
Paper in proceeding
2003

Framtiden - Byggnadsautomation och installationer

Per Fahlén
Protek - Teknisk utveckling - vårdens framtid
Other conference contribution
2003

Kylteknisk utbildning på Chalmers

Per Fahlén
ScanRef. Vol. 32 (4), p. 37-
Magazine article
2003

Det energieffektiva kylbatteriet

Caroline Haglund-Stignor, Per Fahlén, Bengt Sundén et al
2:a eff-Sys-dagen. Vol. 1, p. 7-
Other conference contribution
2003

Free cooling - How to reach an optimum efficiency

Torbjörn Lindholm, Per Fahlén
Proceedings of the 21st International Congress of Refrigeration
Paper in proceeding
2003

Bergvärmepump med borrhålsåterladdning

Per Fahlén
ScanRef. Vol. 32 (6), p. 28-31
Magazine article
2003

Den energieffektiva kyldisken

Monica Axell, Per Fahlén
2:a eff-Sys-dagen. Vol. 1, p. 7-
Other conference contribution
2003

Givare för intern värmefaktormätning

Fredrik Karlsson, Per Fahlén, Peter Lidbom
Report
2002

Det energieffektiva kylbatteriet

Caroline Haglund, Per Fahlén
1:a eff-Sys-dagen, p. 6-
Other conference contribution
2002

Värmepumpen - Miljöbov eller miljöräddare

Per Fahlén
Kylspaning
Other conference contribution
2002

Improvement of conventional indirect cooling-coils for display cabinets - Theory and experiments

Caroline Haglund, Per Fahlén, Bengt Sundén et al
IIR Commission D1/B1 Supermarket refrigeration
Paper in proceeding
2002

Enhancement of the performance of indirect cooling-coils for display cabinets

Caroline Haglund, Per Fahlén, Bengt Sundén et al
Zero Leakage - Minimum Charge
Other conference contribution
2002

Installationsteknik - Inomhusmiljö, installationer, effektiv resursanvändning

Per Fahlén
Fokus på examensarbeten
Other conference contribution
2002

Den energieffektiva kyldisken

Monica Axell, Per Fahlén
1:a eff-Sys-dagen, p. 7-
Other conference contribution
2002

Kylmaskiner och värmepumpar - Rätt prestanda?

Per Fahlén
Kyltekniska Föreningens Möte
Other conference contribution
2002

Parametric study of energy saving potential for capacity controlled heat pumps - Optimal condensation temperature

Fredrik Karlsson, Per Fahlén
7th IEA Heat Pump Conference. Vol. 1, p. 566-576
Paper in proceeding
2002

Optimerad styrning av avfrostning

Per Fahlén
ESO Workshop on frosting - defrosting
Other conference contribution
2002

Integrerad styrning av kyl- och värmepumpsanläggningar

Fredrik Karlsson, Per Fahlén
1:a eff-Sys-dagen, p. 4-
Other conference contribution
2002

Climatic influence on display cabinet performance

Monica Axell, Per Fahlén
IIR Commission D1/B1 Supermarket refrigeration
Paper in proceeding
2002

Kyldisken - viktig för livsmedelskvalitet och energianvändning

Per Fahlén
Företagskatalogen 2002 med information om studieinriktningar på Cahlmers väg & vatten-sektion
Magazine article
2002

Zero Leakage - Minimum Charge

Per Fahlén
Zero Leakage - Minimum Charge
Other conference contribution
2002

Värmepumpen - miljöbov eller miljöräddare?

Per Fahlén, Arne Lögdberg
VVS-Forum (12), p. 85-86
Magazine article
2002

Är villavärmepumpen en miljöriktig lösning?

Per Fahlén
1:a eff-Sys-dagen
Other conference contribution
2002

Påfrysningsmekanismer och beräkningar

Per Fahlén
ESO Workshop on frosting - defrosting
Other conference contribution
2002

Ground-source heat pumps - Recharging of boreholes by exhaust-air coils

Per Fahlén
7th IEA Heat Pump Conference. Vol. 2, p. 1027-1040
Paper in proceeding
1996

Frosting and Defrosting of Air-Coils

Per Fahlén
Doctoral thesis

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