Abstract
Theecondenser is a type of heat exchanger that functions to condense fluid. On steam powermsystems. Thevmain function ofmthe condenser is to convert steam into liquid. The purpose of this study is to determine the value and influence of heat balance, heat transfer coefficient, pressure drop and condenser efficiency.Thewresults offthissstudy indicate that in 2018 thee average heat balance (Q) was obtained at 356,017,533.46 Kj / hour while in 2019 the results of the average heat balance (Q) were 640,293,647,066 Kj / hour, fouling factor was not affect the balance sheet. The average gross heat transfer coefficient (UD) in 2018 amounted to 204,274.25 Kj / hour.m2. C and the average net heat transfer coefficient (UC) was 206,378 Kj / hr.m2. ° C whereas in 2019 the average heat transfer coefficient is obtained by the average gross heat transfer coefficient (UD) of 366,544.07 Kj / jam.m2. ° C and the Clean heat transfer coefficient (UC) is 448,554 Kj / h.m2. ° C.Fouling factor is very influential onnthe heatwtransfer coefficient because the greater the fouling in the tube will result in the inhibition of theeheat transfer rate in the tube, so that the heat transfer coefficient decreases. The pressure drop in 2018 is still within the permissible limits, with an average of 504.28 bars and 2019 of 513.03 bars. The effectiveness of the condenser in 2018 is an average of 23.330 after maintenance has been obtained, the average effectiveness of the condenser in 2019 is 40.743
Highlights
PENDAHULUAN pPembangkit Listrik Tenaga Uap atau sering disebut (PLTU) di Asam-asam adalah salah satu unit pembangkit listrik yang dalam wilayah usaha PT
Theecondenser is a type of heat exchanger that functions to condense fluid
whereas in 2019 the average heat transfer coefficient is obtained by the average gross heat transfer coefficient
Summary
Penurunan vakum kondensor yang naiknya tekanan balik akan berpengaruh pada keefektifan kinerja turbin. Biasanya proses perpindahan panas ini (antara dua aliran panas dan dingin)vtersebutvseringkali dimasukkan saat keadaan kesetimbangan thermal, dimana panas yang akan dilepaskan (oleh fluida panas, maka hal ini menyebabkan temperatur fluida panas menjadi lebih rendah dari nilai awalnya) dan panas yang diterima (oleh fluida dingin, ini menyebabkan terjadinya kenaikan temperatur fluida dingin) adalah sama, sehingga dengan demikian kita dapat menghubungkan serta menghitung variable-varibel yang tidak diketahui (misal flowrate atau temperatur) dengan menggunakanvinformasivdarivkeduavfluidavpanasvdanvdinginvtersebut. Selisih Temperatur Rata-Rata Logaritnik (LMTD) Pokok perhitunganvpadavalatvpenukarvkalor adalah masalah perpindahan panas. Selisih temperatur rata-rata 9mean temperatur difficience, the driving temperatur force), dinyatakan dengan ∆T lm Hubungan antara besaran itu adalah:. Dalam melakukanvperencanaanvalat penukar kalor juga harus dicari selisih temperature rata-rata sebenarnya, yaitu dengan menggunakan faktor seleksi (FT).
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