Design of Solar Water Heating System for Detached House in Cold Climate Area

Mori, Taro; Kawamura, Atsuhiro

doi:10.1016/j.egypro.2014.02.157

Cited by 7 publications

(3 citation statements)

References 2 publications

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“…A solar heating system integrated with a thermal energy storage tank filled with a phase-change material and combined with finned heat pipes was developed for Mongolian cities by Bai et al, who then also experimentally studied these systems [7]. Mori and Kawamura [8] investigated the performance of a solar water heating system combined with a heat-pump unit from both experimental and simulation points of view, while operating in a cold region. Therefore, the review of the current literature shows how the exploitation of solar energy for heating purposes in cold regions has been poorly investigated and additional studies are required to explore its potential.…”

mentioning

confidence: 99%

A Solar Thermal Application for Mongolian Detached Houses: An Energy, Environmental, and Economic Analysis Based on Dynamic Simulations

et al. 2019

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Ulaanbaatar (Mongolia) is the coldest capital city in the world with approximately 98% of its heating demand satisfied by means of coal-burning stoves. This leads to enormous air pollutant emissions, with Ulaanbaatar being one of the top five most polluted cities in the world. In this study, an innovative solar hybrid heating system for the Mongolian scenario was used, which was based on the operation of a solar field composed of four series-connected evacuated tube heat pipe collectors, coupled with a thermal energy storage. The solar hybrid heating system was simulated and analyzed using the software TRNSYS. The simulations were designed to satisfy the heating demand of a typical single-family detached house located in Ulaanbaatar and were carried out with and without considering the soiling effects on the solar system operation. The overall performance of the proposed plant was compared with those associated with different fossil fuel-based Mongolian conventional heating systems, in order to assess the potential energy, environmental and economic benefits. The results highlighted that the proposed plant allowed for the obtainment of significant reductions in terms of primary energy consumption (up to 34.6%), global CO2 equivalent emissions (up to 52.3%), and operating costs (up to 49.6%), even if the expected return on the investment could be unacceptable.

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mentioning

confidence: 99%

A Solar Thermal Application for Mongolian Detached Houses: An Energy, Environmental, and Economic Analysis Based on Dynamic Simulations

et al. 2019

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“…SF oranının, entropi ve AHP ağırlıkları kullanılarak elde edilen optimizasyon sonuçları sırası ile 0.74 ve 0.70 değerine arttığını göstermiştir. SF üzerinde herhangi bir kısıtlama olmadan elde edilen optimum çözümler kış döneminde bazen yetersiz güneş enerjisi katkısına yol açabilir [35,36]. Optimum güneş kollektörü sayısında, entropi ve AHP ağırlıkları için önemli bir fark gözlenmediğinden, artan SF'nin depolama tank hacminde bir artışa ve LCC'de bir azalmaya yol açtığı belirlenmiştir.…”

Section: H Kısıtlamalarunclassified

Bir güneş enerjili su ısıtma sisteminin entropi ağırlıklı çok-amaçlı (3E) optimizasyonu

2023

Proceeding Book of 2nd International Conference on Frontiers in Academic Research ICFAR 2023

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Özet -Güneş enerji ile su ısıtma sistemlerinin (GESIS) ekonomik, enerjik ve çevresel etkileri ve de bu etkilerin azaltılması zorunluluğu geniş anlamda bilinmektedir. Bu neden ile bu çalışmada, bir GESIS'in parçacık sürü optimizasyon yöntemi ile yaşam döngüsü maliyeti (LCC), enerji kullanımı (LCE) ve eş değer-CO2 emisyonu (LCCO2) amaçlarına yönelik optimum karar ve tasarım seçeneklerinin oluşturulması amaçlanmıştır. Bu aşamada, amaç fonksiyonu için ağırlık katsayılarının belirlenebilmesinde Entropi yöntemi kullanılmıştır. Diğer taraftan, GESIS'in enerji analizi için EnergyPlus® (v8.4) ve optimizasyon aracı olarak GenOpt® (v3.1) paket programlarından yararlanılmıştır. Optimizasyon işlemi, LCC, LCE ve LCCO2'nin sırasıyla %5.47-5.65, %13.53-14.29 ve %7.12-7.65 aralığında azaltılabileceğini göstermiştir. Bununla birlikte, optimum çözümler güneş enerjisinden en az %60 oranında katkı sağlamayı garanti etmektedir. Sonuç olarak bir GESIS'in performansı ekonomik, enerjik ve çevresel kriterlere göre bir tasarım oluşturularak iyileştirilebilir.

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“…For cold climatic regions (especially in winter), the sunlight period is short compared to summer. Furthermore, losses at the solar collector are higher (Mori and Kawamura, 2014). Therefore, without a large storage, a solar thermal system cannot produce enough energy to satisfy the total heat load of the house.…”

Section: Energy Supply On Household Levelmentioning

confidence: 99%

A Parametric Study on the Feasibility of Solar-thermal Space Heating and Hot Water Preparation under Cold Climates in Central Asian Rural Areas

Mehta¹,

Ehrenwirth²,

Trinkl³

et al. 2020

Proceedings of the ISES EuroSun 2020 Conference – 13th International Conference on Solar Energy for Buildings and Industry

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A large part of the Kyrgyz territory is covered by mountain ranges which result in extremely cold winter periods. The cold climatic conditions of Kyrgyzstan define heating as an essential need for Kyrgyz people. The majority of the residential buildings are constructed with poor thermal insulation or none at all, which yields high energy consumption in buildings to maintain thermal comfort. Especially in rural households, the heat demand is usually covered by solid fuels (i.e. wood, branches, coal and other solid fuels) burned in traditional stoves / boilers. The intensive use of solid fuels contributes to indoor and outdoor air pollution. Hence, there is a substantial need to provide sustainable and adequate heating services for residential buildings, particularly for the rural population. In response to this, the presented research article describes an investigation of solar resources to support space heating and domestic hot water preparation for single-family homes in rural Kyrgyzstan. Besides that, it identifies the thermal performance of typical single-family houses by considering local boundary conditions such as cold climate, highaltitude and routine behavior of the inhabitants. The determination of fuel savings by implementing solar-thermal domestic heating systems helps to explain the positive impacts on the environment. The investigation shows a significant solar-thermal energy potential available for domestic space heating and hot water preparation in Kyrgyzstan.

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Design of Solar Water Heating System for Detached House in Cold Climate Area

Cited by 7 publications

References 2 publications

A Solar Thermal Application for Mongolian Detached Houses: An Energy, Environmental, and Economic Analysis Based on Dynamic Simulations

A Solar Thermal Application for Mongolian Detached Houses: An Energy, Environmental, and Economic Analysis Based on Dynamic Simulations

Bir güneş enerjili su ısıtma sisteminin entropi ağırlıklı çok-amaçlı (3E) optimizasyonu

A Parametric Study on the Feasibility of Solar-thermal Space Heating and Hot Water Preparation under Cold Climates in Central Asian Rural Areas

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