13 godina iskustva
NAJEFIKASNIJA REŠENJA GREJANJA I HLAĐENJA
Ušteda energije je naš imperativ. Mi znamo šta radimo!
čilerska postrojenja
Čileri vodom i vazduhom hlađeni. Najveće postrojenje koje smo projektovali 3*3,32MV hlađenja sa centrifugalnim čilerima i zatvorenim rashladnim kulama u Astani, Kazahstan.
industrijska postrojenja
Sve vrste ventilacija, u protiveksplozivnoj izvedbi i normalnoj izvedbi. Projektovanje postrojenja u naftnoj, farmaceutskoj i hemijskoj industriji.
pumpna postrojenja
Sve vrste pumpnih postrojenja, za pitku i otpadnu vodu.
toplotne pumpe
Kompletne istalacije toplotnih pumpi za objekte svih namena, od kućnih instalacija do industrijskih i skladišnih prostora, toplotnih snaga od 20 do 650kV.
kotlarnice
Kotlarnice na gas, mazut, dizel,
propan butan.
NAŠI IZDVOJENI PROJEKTI
Klikom na sliku možete saznati više.
talan towers
ASTANA, KAZAHSTAN
gasni kompresor
EPE, NEMAČKA
rekonstrukcija rafinerije
YAMBU, SAUDIJSKA ARABIJA
termotehničke instalacije
SINGAPUR
ušteda energije sa čilerima
TELENOR DATA CENTER, SRBIJA
Naučni radovi
Analysis of three systems of air conditioning the production facility
As a basic foundation for this study, expenses of exploitation are used, as well as general costs and expenses in the present market in Serbia. To improve energy efficiency of similar facilities, the author of this study wanted to present the various investment possibilities concerning energy saving, and to clarify some doubts concerning variable flow in perforated ducts. In order to analyze objectively, three systems were designed in one typical production facility. This analyze can be apply on any other facility with similar requirements: Building height, ventilation, configuration and so on. Idea was to clarify real energy savings, mentioned on web sites of different producers. Generally, the story about energy saving through variable flow is highlighted. This analysis prove is it true or just a commercial. Not only design was done but also BoQ with current prices on Serbian market, which can be applied across Europe with proportional factor. Cooling and heating calculations have been done using HAP software (Hourly Analysis Program).
Keywords: perforated ducts, variable air flow, boosting airflow, energy savings, economic analysis
Research paper – Ivan Glisic, MSc.M.E., September 2022
Full texts available in PDF under the links below.
ENERGY SAVINGS USING TRIGENERATION ON BUSINESS AND HOTEL COMPLEX “AIRPORT CITY BELGRADE”
As a basic foundation for this study, expenses of exploitation are used, electric and gas bills, as well as general costs and expenses in the present Airport City business complex in Belgrade (ACB). To improve energy efficiency of similar buildings, the authors of this study wanted to present the various investment possibilities concerning energy saving. ACB is representative of typical (modern) business complexes that are being built intensively in Serbia and throughout Europe. Today, most similar constructions are designed in similar manner, with air cooled chillers on the roofs of the buildings. These installations are simple and less expensive for investors, quicker to erect, and much cheaper for commissioning. However, over an exploitation period of 15 years, it was proved that energy waste is much higher in these installations, which implicates a rise in cost of monthly fees. Ultimately, common citizens are paying for this through various products and services. At the time of writing of this study, at least six similar complexes are in the planning phase to be constructed in Belgrade. The suggestions in this study can be implemented on other complexes with some or no modification. The basic idea of this study is to demonstrate an analysis of the investment and the exploitation wages with regard to the payback time for an investment in CCHP trigeneration. On the one side, the example of a plant with boiler and air cooled chillers will be used, vs. CCHP with gas cogeneration on the other side. The basic structure of the building is a core and shell structure with an aluminum-glass façade. The height of the building is 35 floors. Cooling and heating calculations have been done using HAP software (Hourly Analysis Program).
Keywords: trigeneration, CCHP, absorption chillers, energy savings, economic analysis
Research paper – Ivan Glisic, B.Sc.M.E., Goran Vuckovic, MSc.M.E., Aleksandra Sretenovic, B.Sc.M.E., September 2009
Full text available in PDF under the links below.
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