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"Dengan meningkatnya kebutuhan untuk memperoleh sistem pendinginan ruangan yang ramah lingkungan, dibutuhkan perkembangan teknologi yang dapat membantu dalam merendahkan dampak emisi terhadap lingkungan. Sistem pendingin dengan tenaga surya termasuk peluang yang sangat besar dalam mengatasi hal tersebut. Teknologi Absorption Chiller dapat menggantikan kerja kompressor dalam sistem pendingin yang tersedia secara komersil. Penggunaannya pada skala kecil dapat membantu menghasilkan kapasitas pendingin 5 kW dengan penelitian menggunakan simulasi sistem Single-Effect Ammonia Water Absorption Chiller menggunakan metode termodinamika untuk menghasilkan COP dari batasan masalah yang telah disesuaikan sebesar 0.334. Dengan tujuan untuk menghasilkan model sistem absorption untuk menentukan jenis heat exchanger dan dimensinya. Kemudian melakukan permodelan dynamic untuk mengetahui berapa banyak jumlah ammonia dan water yang dibutuhkan dengan kapasitas pendingin tertentu.

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With the increasing need for environmentally-friendly indoor cooling systems, there is a need for technological developments that can help reduce the impact of emissions on the environment. Solar-powered cooling systems are a huge opportunity to overcome this. Chiller Absorption Technology can replace the work of a compressor in a commercially available cooling system. Its use on a small scale can help produce low cooling capacity by research using a simulation of the Single-Effect Ammonia Water Absorption Chiller system using a thermodynamic method to produce a COP with certain boundary of 0.334. With the aim of producing an absorption system model to determine the type of heat exchanger and its dimensions. Then do dynamic modeling to find out how much ammonia and water are needed with a certain cooling capacity."

"To solve current environmental problems such as global warming and declination of fossil fuels, use of less energy is essential, particularly in the fields of refrigeration and air conditioning. Thus, simulations using complex mathematical models become vital. Simulation technology faces a major challenge because the language of simulation codes varies depending on the programmer. Thereafter, others cannot duplicate the same simulation technology used by their predecessors. To address this, a modular analysis method that generalizes simulation code has been developed. With this method, the general-purpose software analyzing energy system called “ENERGY FLOW +M,” a software enabling analyses that can be conducted without having to specify the model or the method of analysis used, has also been created. The focus of this study was on the solar collector. As the solar collector uses energy from the sun, it is friendly to the global environment. In order to understand the performance of the solar collector, the construction of a simulation model was carried out. Moreover, models of the solar collector and solar radiation were loaded into “ENERGY FLOW +M” to verify their performance. Thus, this simulator allows us to execute simulations of the solar collector from anywhere via the Internet."