Soojustehnika kursuse laboratoorne töö: soojusseadme tõhusus
Laen...
Kuupäev
2021
Kättesaadav alates
09.09.2021
Autorid
Ajakirja pealkiri
Ajakirja ISSN
Köite pealkiri
Kirjastaja
Eesti Maaülikool
Abstrakt
Energia on maailmas igapäevaselt asendamatul kohal. Enamus energiaallikaid on
taastumatud, seetõttu on väga oluline energiasäästlik tarbimine. Võimalikult suures mahus
energia kokkuhoidmiseks arendatakse pidevalt energiatõhusaid seadmeid. Üheks
suurimaks takistuseks seadmete 100 protsendilise kasuteguri saavutamiseks on
energiakaod. Mida suurem on kasutegur, seda efektiivsemalt seade töötab ning seda
vähem energiat läheb kaduma. Kasuteguri maksimaalne väärtus saab olla 100%, kuid
eranditeks on soojuspumbad, mille kasutegur on tugevalt üle 100%. Käesoleva
bakalaureusetöö eesmärgiks on kirjeldada kasuteguri olemust ning koostada laboratoorse
töö juhend soojusseadme kasuteguri määramiseks. Juhend on koostatud Eesti Maaülikooli
Tehnikainstituudi Soojustehnika õppeaine tarbeks. Laboratoorse töö juhendi valmimisel
viidi selle järgi läbi katse soojusseadme kasuteguri määramiseks. Kasuteguri leidmiseks
kasutati soojuspumpa Stiebel Eltron ACP 08 B. Töö praktilises osas läbi viidud katse
tulemusena saadud soojuspumba kasutegur on 195,8%. Tulemust võrreldes
kirjandusallikatest pärinevate väärtustega, jõuti järeldusele, et leitud kasutegur jääb alla
kirjanduses leiduvale.
Energy is indispensable in the world on a daily basis. Most energy sources are non renewable, so sustainable energy consumption is very important. It all starts from using energy-efficient devices to save energy as much as possible. One of the biggest obstacles to achieving 100 percent efficiency in equipment is energy loss. The higher the efficiency, the more efficient the device works and the less energy is lost. The maximum efficiency value can be 100%. The aim of this bachelor's thesis is to describe the nature of efficiency and to compile guidelines for laboratory work to determine the efficiency of a heating device. The guide has been compiled for the subject of Thermal Engineering of the Institute of Technology of the Estonian University of Life Sciences. Upon completion of the laboratory work instructions, a test was performed to determine the efficiency of the heating device. The heat pump Stiebel Eltron ACP 08 B was used to find the efficiency. The efficiency of the heat pump obtained as a result of the experiment performed in the practical part of the work is 195,8%. Comparing the result with the values from the literature sources, it was founded that the current heat pump efficiency is quite low.
Energy is indispensable in the world on a daily basis. Most energy sources are non renewable, so sustainable energy consumption is very important. It all starts from using energy-efficient devices to save energy as much as possible. One of the biggest obstacles to achieving 100 percent efficiency in equipment is energy loss. The higher the efficiency, the more efficient the device works and the less energy is lost. The maximum efficiency value can be 100%. The aim of this bachelor's thesis is to describe the nature of efficiency and to compile guidelines for laboratory work to determine the efficiency of a heating device. The guide has been compiled for the subject of Thermal Engineering of the Institute of Technology of the Estonian University of Life Sciences. Upon completion of the laboratory work instructions, a test was performed to determine the efficiency of the heating device. The heat pump Stiebel Eltron ACP 08 B was used to find the efficiency. The efficiency of the heat pump obtained as a result of the experiment performed in the practical part of the work is 195,8%. Comparing the result with the values from the literature sources, it was founded that the current heat pump efficiency is quite low.
Kirjeldus
Bakalaureusetöö
Tehnika ja tehnoloogia õppekaval
Märksõnad
bakalaureusetööd, soojendamine, jahutamine, termodünaamika, energia, efektiivsus