Tehno-ekonomska analiza solarnog staklenika

master's thesis

• Title (english): Techno-economic analysis of the solar greenhouse
• Author: Paulina Lančić
• Mentor: Tomislav Pukšec (mentor)
• Granter: University of Zagreb; Faculty of Mechanical Engineering and Naval Architecture; Zagreb
• Defense date and country: 2023-07-21, Croatia
• Scientific / art field, discipline and subdiscipline: TECHNICAL SCIENCES; Mechanical Engineering; Process Energy Engineering

Abstract

Kao članica Europske Unije, Republika Hrvatska ima obvezu ispunjena energetskih ciljeva, smanjenja emisija stakleničkih plinova te smanjenja utjecaja na okoliš, korištenjem obnovljivih izvora energije. Poljoprivredni sektor nudi mnogo prostora za napredak u vidu dekarbonizacije i efikasnijeg iskorištavanja poljoprivrednih površina. Istovremeno, trend porasta svjetskog stanovništva ne jenjava te se povećava potreba za namirnicama i vodom. Pomoć rješenju ovih problema predstavljaju solarni staklenici. Oni omogućuju istovremeno iskorištavanje zemljišta za proizvodnju hrane i električne energije, pri čemu valja naglasiti da urod pod staklenicima može biti i do deset puta veći od uroda na otvorenom polju.
U ovom diplomskom radu analizirana je isplativost izgradnje jednog takvog zaštićenog prostora na području Topuskog. Predviđena je izgradnja staklenika približne površine 0,5 ha koji će se koristiti za paralelni uzgoj paprike i krastavaca. U radu su prvo modelirani toplinski gubitci i dobitci za staklenik u Excel-u na satnoj razini. Modeliran je sustav grijanja na geotermalnu vodu, a na krovu staklenika predviđena je ugradnja solarne elektrane. Proračun je proveden za dva slučaja; ugradnju klasične solarne elektrane i transparentne solarne elektrane. Proizvodnja električne energije modelirana je u System Advisor Model (SAM) sustavu. Nakon što su napravljeni modeli potrošnje električne energije svih sustava, provedena je ekonomska analiza isplativosti projekta izgradnje staklenika, pri čemu se isplativost za različite slučajeve financiranja iz Europskih fondova i vlastitog financiranja analizira kroz neto sadašnju vrijednost (eng. Net Present Value, NPV), unutarnju stopu povrata (eng. Internal Recovery Rate, IRR) te indeks profitabilnosti projekta (IP).

Abstract (english)

As a member of European Union, the Republic of Croatia has an obligation to fulfill energy targets,
reduce greenhouse gas emissions and lower its enviromental impact by utilizing renewable energy
sources. There is a lot of room for progress in agricultural sector in the terms of decacarbonization
and more efficient use of agricultural land. At the same time, there is a significant growth of world
population and with it the increased need for fresh water and resources. Solar greenhouses can
partake in the solution of this problems. They enable simultaneous use of land for the production
of food and electricity generation. It is also good to note that the yield of crops grown in the
greenhouse can be up to ten times greater than yield of the same crops grown in the open field.
This thesis analyzes the cost – effectiveness of one such greenhouse in the city Topusko. It is
planned to build the greenhouse with the area of 0,5 ha used for the parallel cultivation of peppers
and cucumbers. In the thesis heat losses and gains are modeled in Excel on an hourly basis. A
geothermal water heating system is modeled, and it is planned to install solar power plant on the
rood of the greenhouse. Economic analysis is carried out for two scenarios; installation of
convecionsl solar power plant and a transparent one. The production of electricity is modeled in
the System Advisor Model (SAM). After modeling the electricity consumption of all systems, an
economic analysis is carried out, for various forms of financing including financing from European
funds as well as self–financing. The profitability of the project is calculated through Net Present
Value (NPV) Internal Rate of Return (IRR) and a Profitability Index.

• Keywords: poljoprivreda; staklenik; električna energija; toplinska energija; tehno - ekonomska analiza
• Keywords (english): agriculture; greenhouse; electricity; thermal energy; techno - economic analysis
• Language: croatian
• URN:NBN: urn:nbn:hr:235:449959
• Study programme: Title: Mechanical Engineering; specializations in: Design, Process and Energy Engineering, Production Engineering, Engineering Modelling and Computer Simulation, Marine Engineering, Industrial Engineering and Management, Materials Engineering, Mechatronics and Robotics, Autonomous Systems; Course: Process and Energy Engineering; Study programme type: university; Study level: graduate; Academic / professional title: magistar/magistra inženjer/inženjerka strojarstva (magistar/magistra inženjer/inženjerka strojarstva)
• Type of resource: Text
• File origin: Born digital
• Access conditions: Open access
• Created on: 2023-07-19 22:18:30