Publications & Works

Publication Network

Published journal articles indexed by SCI, SSCI, and AHCI

A NUMERICAL STUDY AIMED AT FINDING OPTIMAL ARTIFICIAL NEURAL NETWORK MODEL COVERING EXPERIMENTALLY OBTAINED HEAT TRANSFER CHARACTERISTICS OF HYDRONIC UNDERFLOOR RADIANT HEATING SYSTEMS RUNNING VARIOUS NANOFLUIDS

Colak A. B., Karakoyun Y., AÇIKGÖZ Ö., YUMURTACI Z., DALKILIÇ A. S.
HEAT TRANSFER RESEARCH, vol.53, no.5, pp.51-71, 2022 (SCI-Expanded) identifier identifier

An experimental investigation on the effect of use of nanofluids in radiant floor heating systems

Karakoyun Y., Açıkgöz Ö., Küçükyıldırım B. O., Yumurtacı Z., Dalkılıç A. S.
Energy and Buildings, vol.252, 2021 (SCI-Expanded) Sustainable Development identifier identifier

An experimental investigation on heat transfer characteristics arising over an underfloor cooling system exposed to different radiant heating loads through walls

Karakoyun Y., Açıkgöz Ö., Yumurtacı Z., Dalkılıç A. S.
APPLIED THERMAL ENGINEERING, vol.164, 2020 (SCI-Expanded) identifier identifier

Realistic experimental heat transfer characteristics of radiant floor heating using sidewalls as heat sinks

Açıkgöz Ö., Karakoyun Y., Yumurtacı Z., Dukhan N., Dalkılıç A. S.
ENERGY AND BUILDINGS, vol.183, pp.515-526, 2019 (SCI-Expanded) identifier identifier

The Effect of Inlet Blade AngleVariation on Cavitation Performance of a CentrifugalPump: A Parametric Study

Dönmez A. H., Yumurtacı Z., Kavurmacıoğlu L.
Journal Of Fluids Engineering-Transactions Of The Asme, vol.141, 2019 (SCI-Expanded) Creative Commons License

Comparison of environmental flow assessment methods with a case study on a runoff river-type hydropower plant using hydrological methods

KARAKOYUN Y., Donmez A. H., YUMURTACI Z.
ENVIRONMENTAL MONITORING AND ASSESSMENT, vol.190, no.12, 2018 (SCI-Expanded) identifier identifier identifier

Special issue section on "The 2nd International Conference on Energy Systems (ICES-2016), 21-23 December 2016, Istanbul, Turkey"

JAVANI N., YUMURTACI Z.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY, vol.43, no.2, pp.1037, 2018 (SCI-Expanded) identifier identifier

Hydrogen production via supercritical water gasification of almond shell over algal and agricultural hydrochars as catalysts

Safari F., JAVANI N., YUMURTACI Z.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY, vol.43, no.2, pp.1071-1080, 2018 (SCI-Expanded) Sustainable Development identifier identifier

Electricity demand forecast of Turkey based on hydropower and windpower potential

DÖNMEZ A. H., KARAKOYUN Y., YUMURTACI Z.
ENERGY SOURCES PART B-ECONOMICS PLANNING AND POLICY, vol.12, no.1, pp.85-90, 2017 (SCI-Expanded) Sustainable Development identifier identifier

Geographical Dispersion and Environmental Impact Assessment of Wind Power Generation in Turkey

YUMURTACI Z., Demirhan Y.
INTERNATİONAL JOURNAL OF GLOBAL WARMİNG, vol.1, pp.10-15, 2017 (SCI-Expanded) Sustainable Development

Environmental flow assessment for energy generation sustainability employing different hydraulic evaluation methods: Cambasi hydropower plant case study in Turkey

KARAKOYUN Y., YUMURTACI Z., Donmez A. H.
CLEAN TECHNOLOGIES AND ENVIRONMENTAL POLICY, vol.18, no.2, pp.583-591, 2016 (SCI-Expanded) Sustainable Development identifier identifier

Emissions estimation for lignite-fired power plants in Turkey

Vardar N., Yumurtacı Z.
ENERGY POLICY, vol.38, pp.243-252, 2010 (SCI-Expanded) identifier identifier

Economical analyses of build-operate-transfer model in establishing alternative power plants

Yumurtaci Z., Erdem H. H.
ENERGY CONVERSION AND MANAGEMENT, vol.48, no.1, pp.234-241, 2007 (SCI-Expanded) Sustainable Development identifier identifier

Electric energy demand of Turkey for the year 2050

YUMURTACI Z., Asmaz E.
ENERGY SOURCES, vol.26, no.12, pp.1157-1164, 2004 (SCI-Expanded) Sustainable Development identifier identifier

Hydrogen production from excess power in small hydroelectric installations

YUMURTACI Z., Bilgen P.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY, vol.29, no.7, pp.687-693, 2004 (SCI-Expanded) Sustainable Development identifier identifier

Condenser Optimization in Steam Power Plant

Bekdemmir S., Öztürk R., Yumurtac Z.
JOURNAL OF THERMAL SCIENCE, vol.12, no.2, pp.176-179, 2003 (SCI-Expanded) identifier identifier

Articles Published in Other Journals

Energy Production Analysis for a Zero Emission Island, Istanbul Adalar District

Uraltaş Y., Yumurtacı Z.
INTERNATIONAL JOURNAL of RENEWABLE ENERGY RESEARCH, vol.1, no.1, pp.1-8, 2021 (ESCI) Creative Commons License

Comparative techno-economic-environmental assessment of biomass fueled integrated energy systems

Heidarnejad P., Genceli H., Yumurtacı Z.
Turkish Journal of Electromechanics & Energy, vol.6, no.2, pp.39-45, 2021 (Peer-Reviewed Journal)

Study on On-Shore and Off-Shore Wind Power Plant (Wpp) Micro-Siting in Adalar District (Princes' Islands) and Analysis of Energy Generation

YUMURTACI Z., Uraltas Y.
INTERNATIONAL JOURNAL OF RENEWABLE ENERGY RESEARCH, vol.11, no.2, pp.709-720, 2021 (ESCI) Sustainable Development identifier identifier

An experimental investigation on radiant floor heating systems at various operating conditions

Karakoyun Y., AÇIKGÖZ Ö., DALKILIÇ A. S., YUMURTACI Z.
Journal of Thermal Engineering, vol.6, no.5, pp.751-771, 2020 (ESCI) Creative Commons License identifier identifier identifier

Hybrid Solar And Wind Energy Potential Map of Turkey and Cost Analysis of 1 MW Hybrid Power Plants

Şengüler F., Yumurtacı Z.
International Journal of Engineering Research and Advanced Technology-IJERAT, vol.5, no.6, pp.1-14, 2019 (Peer-Reviewed Journal) Creative Commons License Sustainable Development

ÜRETİM HATTINDA İŞLETİM OPTİMİZASYONU YAPILARAK ENERJİ VERİMLİLİĞİNİN SAĞLANMASI

Doğanay L., YUMURTACI Z.
3eelectrotech, pp.1-9, 2019 (Peer-Reviewed Journal)

Türkiye’de Kurulabilecek Deniz Üstü Rüzgar Santrallerinin Teknik ve Ekonomik Analizi

YUMURTACI Z., Özdilim A. M.
TMMOB Makine Mühendisleri Odası Tesisat Mühendisliği Dergisi, no.159, pp.15-22, 2017 (Peer-Reviewed Journal)

Türkiye’nin Hidrolik Potansiyeline Küresel Bir Bakış

Yumurtacı Z., KARAKOYUN Y., Dönmez A. H.
Enerji ve Çevre Dünyası Dergisi, vol.15, no.112, pp.38-48, 2014 (Non Peer-Reviewed Journal)

Hidroelektrik Santral Projelerinde Çevresel Akış Miktarının ve Çevresel Etkinin Değerlendirmesi

KARAKOYUN Y., Yumurtacı Z.
Tesisat Mühendisliği, MMO, vol.12, no.138, pp.7-23, 2013 (Non Peer-Reviewed Journal)

An economic analysis of hydrogen production using wind power

YUMURTACI Z., Toprak K.
INTERNATIONAL JOURNAL OF RENEWABLE ENERGY RESEARCH, vol.1, no.1, pp.11-17, 2011 (Scopus) Sustainable Development

Hidrojen Enerjisi Kullanımında Temel Kriterler

YUMURTACI Z., BEKİROĞLU K. N., AKARYILDIZ E.
TMMOB Makina Mühendisleri Odası Tesisat Mühendisliği Dergisi, 2002 (Peer-Reviewed Journal)

Kojenerasyon Sistemleri ve Bir Uygulama Örneği

YUMURTACI Z., BEKİROĞLU K. N., AKARYILDIZ E.
TMMOB Makina Mühendisleri Odası Tesisat Mühendisliği Dergisi, 2002 (Peer-Reviewed Journal)

Refereed Congress / Symposium Publications in Proceedings

THE CHANGES IN ELECTRICITY CONSUMPTION RELATED TO COVID-19 OUTBREAK AND ITS ENVIRONMENTAL EFFECTS

Akgün İ., Yumurtacı Z., İşleyen A., Agbaje M. A.
6TH INTERNATIONAL CONFERENCE ON ADVANCES IN MECHANICAL ENGINEERING, İstanbul, Turkey, 20 - 22 December 2021, pp.1802-1812 Sustainable Development

Analyse of A Combined Rankine and Brayton Cycle Solar Tower Power System Using Latent heat Thermal Energy Storage

Rahimi M., Bekdemir E., Javanı N., Yumurtacı Z.
World Energy Strategies Congress and Exhibition v, İstanbul, Turkey, 26 - 28 August 2019, pp.117

Experiments on Determination of Heat Transfer Coefficients for a Radiant Heated Enclosure

Karakoyun Y., Dalkılıç A. S., Yumurtacı Z., Açıkgöz Ö., Demirtaş S.
INTERNATIONAL ENGINEERING AND TECHNOLOGY SYMPOSIUM, Batman, Turkey, 3 - 05 May 2018, vol.1, no.1, pp.1240-1245

Numerical Simulation of a Cavitating Centrifugal Pump

DÖNMEZ A. H., YUMURTACI Z., Kavurmacıoğlu L.
International Symposium on Innovative Approaches in Scientific Studies, Antalya, Turkey, 11 April 2018, pp.417-421

Numerical Modeling of A Francis Turbine Draft Tube Under Full and Partial Loads"

DÖNMEZ A. H., Kavurmacıoğlu L., YUMURTACI Z.
International Symposium on Innovative Approaches in Scientific Studies, Antalya, Turkey, 11 April 2018, pp.238-239

Experımental apparatus for the determinatıon of heat transfer coefficıents for radiant heating/cooling systems

Karakoyun Y., Dalkılıç A. S., Yumurtacı Z., Çakır A., Ayten F., Toka M.
1th INTERNATIONAL CONFERENCE ON ADVANCES IN ENGINEERING SCIENCES: THAILAND 2017, Phuket, Thailand, 3 - 05 July 2017

Technical ad Economic Analysis of Potential Offshore Wind Farm in Turkey

Özdilim A. M., YUMURTACI Z.
International Conference on Energy and Thermal Engineering:Istanbul 2017, İstanbul, Turkey, 25 April 2017, pp.154-158

Review of the approaches to provide clean and sustainable transport systems

GÖKMEN C., YUMURTACI Z., YILDIZ C.
The Second International Conference on Energy Systems, İstanbul, Turkey, 21 December 2016, pp.207-217

Energy Potential Maps of Turkey

GÖKMEN C., YUMURTACI Z.
The Second International Conference on Energy Systems, İstanbul, Turkey, 21 December 2016, pp.154-157

Energy efficiency in Pumps with Variable Speed Control

babadağ A., YUMURTACI Z.
The Second International Conference on Energy Systems, İstanbul, Turkey, 21 December 2016, pp.107-113 Sustainable Development

Mınımum Flow Assesstment by Using Different Environmental Flow Assesstment Methods: A Case Study

KARAKOYUN Y., YUMURTACI Z., DÖNMEZ A. H.
The Second International Conference on Energy Systems, İstanbul, Turkey, 21 December 2016, pp.418-423

Investigation of economical aspect of green Energy

Genç E., YUMURTACI Z.
The Second International Conference on Energy Systems, İstanbul, Turkey, 21 December 2016, pp.288-292

Experimental and Numerical Investigation of Pressure Drop Phenomenon in Channels

DÖNMEZ A. H., KARAKOYUN Y., YUMURTACI Z.
International Journal of Arts & Sciences, Barcelona, Spain, 23 May 2016

Regional Energy Potential of Turkey

GÖKMEN C., YUMURTACI Z.
International Conference on Energy Systems, İstanbul, Turkey, 23 December 2015, pp.210-215

Experimental Investigation of Thermal Conductivity of Insulation Materials

KARAKOYUN Y., DÖNMEZ A. H., YUMURTACI Z.
International Conference on Energy Systems, İstanbul, Turkey, 23 December 2015, pp.110-115

Multi Objective Optimization Underfloor Heating System Based on Particle Swarm Algoritm

JAVANI N., Hajabdollahi H., YUMURTACI Z.
International Conference on Energy Systems, İstanbul, Turkey, 23 December 2015, pp.150-155

Comparison of Different Electricity Demand Forecast Models in Turkey

KARAKOYUN Y., DÖNMEZ A. H., YUMURTACI Z., GÖNÜL A.
International Conference on Energy Systems, İstanbul, Turkey, 23 December 2015, pp.100-107

MULTI OBJECTIVE OPTIMIZATION OF UNDERFLOOR HEATING SYSTEM BASEDON PARTICLE SWARM ALGORITHM

JAVANI N., hajabdollahi H., YUMURTACI Z.
INTERNATIONAL CONFERENCE ON ENERGY SYSTEMS, 23 - 25 December 2015

Assessment of Envıronmental Flow For Çambaşı Hydropower Plant in Turkey

KARAKOYUN Y., Yumurtacı Z.
01 December 2014

Environmental Flow Assessment Methodologies And Implementations In Turkey

KARAKOYUN Y., YUMURTACI Z., DÖNMEZ A. H.
International Journal of Arts & Sciences Conference, Prag, Czech Republic, 09 June 2014

Evaluatıon Of Hydraulıc And Wınd Energy Potentıal Of Turkey

YUMURTACI Z.
Humboldt-kolleg, İstanbul, Turkey, 12 December 2013, pp.7

Evaluatıon Of Solar Radıatıon Models And For Estımatıng Of Montly Total Pv System Energy

YUMURTACI Z., Ertaş E.
7th International Advanced Technologies Symposium, İstanbul, Turkey, 30 October 2013, pp.110-117

Investigation of Usage of Hybrid Energy System on heating Purposes

AKBULUT U., KINCAY O., UTLU Z., YUMURTACI Z., AĞUSTOS H.
SEEP2010 CONFERENCE, Bari, Italy, 29 July 2010, pp.122-126

Technical and economic assessment of utilisation of solar energy in indoor swimming pools in Turkey, an application

AKBULUT U., KINCAY O., UTLU Z., YUMURTACI Z., AĞUSTOS H.
International Ege Energy Semposium and Exhibition (IEESE-5), Denizli, Turkey, 27 July 2010, pp.55-62

Investigation of Usage of Hybrid Renewable Energy System on Heating Purposes

UTLU Z., KINCAY O., YUMURTACI Z., BEKİROĞLU K. N., KEYF S.
4th International Conference on Sustainable Energy and Environmental Protection, Bari, Italy, 29 June - 02 July 2010 Sustainable Development

Investigation of Usage of Hybrid Renewable Energy System on Heating Purposes

UTLU Z., Kinçay O., YUMURTACI Z., BEKİROĞLU K. N., KEYF S., AGUSTOS H.
SEEP 2010, Sustainable Energy and Environmental Protection, Bari, Italy, 29 June - 02 July 2010, pp.1-8 Sustainable Development

Selection of an Appropriate Energy System For The University Campus

KINCAY O., YUMURTACI Z.
The Second International Green Energy Conference, Ontario, Canada, 24 July 2006, pp.120-127

Maximum Power Generation Using Wind Power Plants

BEKİROĞLU K. N., YUMURTACI Z., KEKEZOĞLU B.
The Second International Green Energy Conference, Ontario, Belgium, 25 - 29 June 2006

A New Approach To Economical Analysis Of Alternative Energy Resources

YUMURTACI Z., BEKİROĞLU K. N.
The Second International Green Energy Conference, Ontario, Belgium, 25 - 29 June 2006

Economical Analysis for Alternative Energy Sources in Turkey

YUMURTACI Z., Yazıcı B.
The Second International Exergy, Energy and Environment symposium, Kos, Greece, 03 July 2005, pp.120-125

Technologic and Economic Analysis of Cogeneration and Trigeneration Systems

YUMURTACI Z., OBDAN A. H.
INTERNATIONAL EXERGY, ENERGY and ENVIROMENT SYMPOSIUM (IEEES2), KOS, Greece, 3 - 07 July 2005

Economical Analysis of Gaseous and Liquid Hydrogen Storage And Transportation

YUMURTACI Z., BEKİROĞLU K. N.
2nd International Conference on Applied Thermodynamics, İstanbul, Turkey, 18 - 20 April 2005

Hydrogen from Sea Water By Using Small Hydroelecric Power plants Part 2: Liquid Hydrogen

YUMURTACI Z., Bilgen E., Gül İ. Ç., BEKİROĞLU K. N.
The First International Exergy, Energy and Environment symposium, İzmir, Turkey, 01 July 2003, pp.415-419

Hydrogen from Sea Water By Using Small Hydroelecric Power plants Part 1:Gaseous Hydrogen

YUMURTACI Z., Bilgen E., Gül İ. Ç., ÖZTÜRK R.
The First International Exergy, Energy and Environment symposium, İzmir, Turkey, 01 July 2003, pp.409-414

Feasibility of Small Hydraulic Power –Hydrogen Systems

YUMURTACI Z., Bilgen E.
International Thermal Energy Congress, İzmir, Turkey, 01 July 2001, pp.110-115

’Hydrology of the Rivers in Turkey

YUMURTACI Z.
Eighth International Conference on Hydraulic Engineering Software, Lizbon, Portugal, 12 June 1999, pp.267-274

’Francis Türbinlerinde Kanat Giriş Açısının Performansa Etkisi

Basut S., YUMURTACI Z.
The Second International Advanced Techonologies Symposium, İstanbul, Turkey, 10 May 1999, pp.469-478

Reducing the Adverse Effects of Hydropower Plants on Environment by Using Environmental Flow Assessment Methodologies

KARAKOYUN Y., Dönmez A. H., Yumurtacı Z.

Books & Book Chapters

Environmental Flow Assessment Methods: A Case Study

KARAKOYUN Y., YUMURTACI Z., DÖNMEZ A. H.
in: Exergetic, Energetic and Environmental Dimensions, Dinçer İ., Çolpan Ö., Kızılkan Ö., Editor, Elsevıer, London, pp.1061-1075, 2017

Variability Analysis of Wind and Wind Power in Turkey

YUMURTACI Z., Demirhan Y., Malkoç Y.
in: Towards 100% Renewable Energy, Uyar S.T., Editor, Springer International Publishing, Basel, pp.203-209, 2017 Sustainable Development