System AnalysisTugas Ke 2 Mata Kuliah Asas dan Penerapan Sistem Teknik

Dosen Pengampu : Ir. Supranto, M.Sc., Ph.D.

Muhammad Arman

TIKM – A

MST-UGM

Background

• Population of Indonesia : +/- 250 Million

• Enermous people need enermous food

• Food Industries have to supply the requirements of food

• Food industries are supported by agriculture industries

• Booth food and agriculture industries need food and raw material preservation

• One of preservation process is refrigeration process

• This assignment focus on refrigeration system especially for food, drink, agriculture product

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Typical Facilities

Refrigeration Machine (in supermarket)

Refrigeration system

Source : Refrigeration and Air Condtitioning by A.R. Trott and T. Welch

Simple vapour compression refrigeration system and its element

Comercial refrigeration system

System Boundary and Environment

Input output

ProcessHigh quality

refrigerated food/ raw food material

• Refrigeration machine•Electrical supply•Product •Operation •Standard and regulation•Environment condition•Demand and supply variation

Problems

Electrical Quality and

quantity and cost

Variation of load (product)

Environmental and ambient temperature

variation

Optimation of Problems

How to cope such as three major problem

Goals/Targets

• Maka a refrigeration system that can handle such as variation

Adding control ability in refrigeration

system

Actions

•Programmable logic controller•Varible speed drive

Thank You Very Much