선택한 단어 수는 입니다.
최소 단어 이상 선택하여야 합니다.
최소 단어 이상 선택하여야 합니다.
선택한 단어 수는 30입니다.
최대 10 단어까지만 선택 가능합니다.
최대 10 단어까지만 선택 가능합니다.
문제 정의
- In this paper we present a review of TRNSYS software used by researchers to find out the optimal solution for the energy saving and better productivity. The papers provide information who and how many people were using this software for the specific focus on agricultural greenhouse.
제안 방법
- University of Tuscia research group by uses TRNSYS software for analyzing detailed greenhouse structure designs, resources used to get optimal greenhouse environment (Carlini and Castellucci, 2010). A project was done to develop a greenhouse model and different simulation were run for the greenhouse structural and temperature, relative humidity, solar radiation, Co2 concentration, cooling, heating, humidification, dehumidification. All parameters were calculated to achieve the desired greenhouse microclimate.
- Approach of the modelling was carried out by using TYRNSYS. Automatic construction of the model was achieved by putting user data for measuring the effect of the outside climate on greenhouse. Main objective to run this simulation was the exploitation of the geothermal heat pumps systems in greenhouse sector (Carlini et al.
- Factors affecting on energy balance of the greenhouse are; conduction heat loss or gain, solar input, thermal radiation to sky, heat of ventilation, heat loss or gain to ground, infiltration heat, equipment heat, heat of respiration, heat of photosynthesis. For evaluation of these factors, a dynamic climate model of greenhouse was simulated by using TRNSYS and experimental results were obtained for the comparison and validation of computer model. The model was optimized for the ventilation rate, crop evapotranspiration, humidity, covering material properties and control system of climate management.
- In his research he evaluated solar heating with seasonal storage by using medium size solar heating plants with seasonal storage (SHPSS) and simulated the system with TRNSYS-16 to check the system’s thermal and economic performance.
- TRNSYS consists of series of programs and addons to enable it for the simulations of complex designed projects. Main features of the program are, TRNSYS simulation studio, simulation engine (TRNDLL) executer (TRNExe), building input interference (TRNBuild), Editor (TRNSEdit), with add-ons Google sketch up for 3D modelling. Moreover in agriculture, software demonstrates extreme flexibility to improve various case studies to continue work for structure and energy analysis and allows simulation of best situation by adding different components (Carlini et al.
- Automatic construction of the model was achieved by putting user data for measuring the effect of the outside climate on greenhouse. Main objective to run this simulation was the exploitation of the geothermal heat pumps systems in greenhouse sector (Carlini et al., 2010). Geothermal energy is used for the both heating and cooling of the greenhouse.
- A research was done for the evaluation of geothermal energy on heating mode using geothermal heat pumps. Simulation was completed with TRNSYS by presenting a mathematical description of the heat pump on TRNSYS model. And study the numerical and thermodynamic phenomena of heat pumps including power consumption (Chargui et al.
- , 2015). TRNSYS modelling and simulations were done to evaluate the optical and thermal behavior of the PV solar greenhouse. Three different greenhouse cultivation locations in Italy having different climate conditions were selected for the simulation.
- For evaluation of these factors, a dynamic climate model of greenhouse was simulated by using TRNSYS and experimental results were obtained for the comparison and validation of computer model. The model was optimized for the ventilation rate, crop evapotranspiration, humidity, covering material properties and control system of climate management. Experimental and simulation results shows good accuracy of the model (Mashonjowa et al.
대상 데이터
- TRNSYS modelling and simulations were done to evaluate the optical and thermal behavior of the PV solar greenhouse. Three different greenhouse cultivation locations in Italy having different climate conditions were selected for the simulation. Results show the 30% of summer cooling and 11% of winter heating saving (Carlini et al.
이론/모형
- University of Tunsia, Italy did work on simulation of geothermal energy use in greenhouse sector. Approach of the modelling was carried out by using TYRNSYS. Automatic construction of the model was achieved by putting user data for measuring the effect of the outside climate on greenhouse.
- , 2015). The Simulation of hybrid photovoltaic-thermal (PV/T) solar energy system was done by using TRNSYS. System consists of PV panels embedded with heat exchanger with fins; this type of system can operate on lower temperature.
성능/효과
- Investigation of solar heating system combined with the seasonal storage facility was done with TRNSYS, for a under construction agricultural greenhouse connected with the office building in Korea. The prediction was that 39% of the total energy demand can be fulfilled by the system. Low cost solar heating and storage system can be constructed anywhere in Korea with the suitable greenhouse size (Chung et al.
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