Browsing by Author "Yumrutaş, Recep"
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Bina duvarlarının termofiziksel özellikleri arasındaki ilişkilerin kullanılarak bu özelliklerin ısı kazancına olan etkisinin incelenmesi
Oktay, Hasan; Yumrutaş, Recep; Argunhan, Zeki; Işık, Mehmet Zerrakki (Fırat Akademi A.Ş, 2017)Binaların ısıtılması ve soğutulması için tüketilen enerjinin gün geçtikçe artması ısıl performansı yüksek olan inşaat malzemelerinin geliştirilmesine ihtiyaç duyulmuştur. Malzemelerin ısıl performansı ise direk olarak ... -
Bina yapı elemanları için CLTD ve TETD soğutma yükü hesaplama yöntemlerinin periyodik çözümlerinin karşılaştırılması
Oktay, Hasan; Yumrutaş, Recep; Işık, Mehmet Zerrakki (Pamukkale Üniversitesi, 2019)Bina yapı elemanlarından kaynaklı soğutma yükünün doğru bir şekilde hesaplanması, binanın performansını etkileyen uygun HVAC sistem bileşenlerinin seçiminde önemli bir görevdir. Bu görev için ASHRAE, bina soğutma yükünü ... -
Bina ısıtma ve buz pisti soğutma sistemlerinin yeraltı enerji depolama tankıyla ısıl analizi
Oktay, Hasan; Yumrutaş, Recep; Tutumlu, Hakan (Fırat Akademi A.Ş, 2017)Bu çalışmada, küresel yeraltı enerji depolama tankı (TES) ile iki termal sistemin uzun süreli performansı araştırılmıştır. Bu sistem, buz paten pisti ile buz pisti soğutma sistemi, mahal ile ısı pompası ve küresel yeraltı ... -
Binalarda duvarlardan gelen ısı kazanımı hesaplamasında kullanılan soğutma yükü sıcaklık farkı CLTD değerlerinin hesaplanması
Oktay, Hasan; Yumrutaş, Recep; Zainal, Omar (Türk Tesisat Mühendisleri Derneği, 2012) -
Comparison of CLTD and TETD cooling load calculation methods for different building envelopes
Oktay, Hasan; Yumrutaş, Recep; Işık, Mehmet Zerrakki (Mugla Sitki Kocman University, 2020-06-30)The estimation of the cooling load through the building envelope is an essential task in the selection of proper HVAC system components that influences the building’s performance. For this task, ASHRAE has presented several ... -
Comparison of experimental and literature models for the heat gain through the walls in terms of the effect of thermophysical properties
Oktay, Hasan; Tutumlu, Hakan; Yumrutaş, Recep (International Institute of Engineers (IIE), 2017) -
Comparison of heat gain values obtained for building structures with real and constant properties
Oktay, Hasan; Yumrutaş, Recep; Argunhan, Zeki (Bitlis Eren Üniversitesi, 2019-12-24)The magnitude of energy consumption due to the heating and cooling of buildings has led to the demand for increasing the thermal performance of building structures. Many investigations are presented in literature arguing to ... -
Comparison of heat gain values through multilayer walls utilizing or non-utilizing the relationshıps between thermophysical properties
Oktay, Hasan; Yumrutaş, Recep; Işık, Mehmet Zerrakki (Dicle University, 2019)The growing concern about energy consumption of heating and cooling of buildings has led to a demand for improved thermal performances of building structures. Many investigations are present in literature arguing to ... -
Comparison of the thermal performances of concretes containing waste rubber for energy efficient buildings
Oktay, Hasan; Yumrutaş, Recep (2018)Due to the rapid depletion of available sites, the disposal of waste tires is becoming a serious environmental problem day by day. Assessment of waste rubbers in concrete is an innovative solution that meets both the ... -
Comparison of thermal performance of newly produced lightweight wall and roof elements for energy-efficient buildings
Oktay, Hasan; Yumrutaş, Recep; Argunhan, Zeki (Hitit Üniversitesi, 2020-03-01)In this study, both experimental and theoretical investigations are performed to obtain new concrete types with high thermal insulating characteristics for energy-efficient buildings. In this regard, 102 new concrete wall ... -
Duvarlarının termofiziksel özellikleri arasındaki ilişkileri ile bu özelliklerin dinamik ısıl karakterlerine etkilerinin araştırılması
Oktay, Hasan; Yumrutaş, Recep; Yıldırım, Murtaza (Süleyman Demirel Üniversitesi, 2018-08-15)Binaların ısıtılması ve soğutulması için tüketilen enerjinin artmasıyla birlikte ısıl performansı yüksek olan inşaat malzemelerinin geliştirilmesine ihtiyaç duyulmuştur. Bu malzemelerin ısıl performansı ise doğrudan ... -
Effects of fuels produced from fish and cooking oils on performance and emissions of a diesel engine
Oktay, Hasan; Yumrutaş, Recep; Behçet, Rasim (Elsevier, 2014-07-15)In this study, two fuels called as FOME (Fish Oil Methyl Ester) and COME (Cooking Oil Methyl Ester) were produced from waste fish and cooking oils using the transesterification method. Commercial D2 (Diesel fuel) and two ... -
Estimation of thermal performances of newly produced lightweight walls for energy efficient buildings
Oktay, Hasan; Yumrutaş, Recep; Argunhan, Zeki; Ayanoğlu, Abdulkadir (Kilis 7 Aralık Üniversitesi, 2016) -
An experimental investigation of the effect of thermophysical properties on time lag and decrement factor for building elements
Oktay, Hasan; Yumrutaş, Recep; Argunhan, Zeki (Gazi University, 2020-06-01)The time lag (TL) and decrement factor (DF) are essential for the heat storage capabilities of building elements, which strictly depend on the thermophysical properties of the elements. Many investigations are presented ... -
Experimental investigation of the effects of diesel-like fuel obtained from waste lubrication oil on engine performance and exhaust emission
Argunhan, Zeki; Yumrutaş, Recep; Arpa, Orhan (Journals & Books, 2010-10)In this study, effects of diesel-like fuel (DLF) on engine performance and exhaust emission are investigated experimentally. The DLF is produced from waste engine lubrication oil purified from dust, heavy carbon soot, metal ... -
Experimental investigations on thermophysical properties of concrete produced from different aggregates
Oktay, Hasan; Argunhan, Zeki; Yumrutaş, Recep (Türk Tesisat Mühendisleri Derneği, 2014) -
The influence of building design parameters on the time lag and decrement factor
Aydın, Hüseyin; Işık, Mehmet Zerrakki; Oktay, Hasan; Yumrutaş, Recep (Dicle Üniversitesi, 2018-11) -
An investigation of the influence of thermophysical properties of multilayer walls and roofs on the dynamic thermal characteristics
Oktay, Hasan; Argunhan, Zeki; Yumrutaş, Recep; Işık, Mehmet Zerrakki; Budak Ziyadanoğulları, Neşe (Mugla Sitki Kocman University, 2016-06-09)The growing concern about energy consumption of heating and cooling of buildings has led to a demand for improved thermal performances of building materials. To achieve this goal, in this study, an investigation is performed ...