Modeling of A New Structure of Precision Air Conditioning System Using Secondary Condenser for Rh Regulation  

Oleh:

Subiantoro, Aries ; Nasruddin ; Yusivar, Feri ; Al-Hamid, Muhammad Idrus ; Budiardjo, Bagio

Jenis: Article from Journal - ilmiah nasional - terakreditasi DIKTI
Dalam koleksi: Makara Journal of Technology vol. 16 no. 1 (Apr. 2012), page 68-78 .
Topik: Modeling; Multivariable Model; Precision Air Conditioning; Vapour-Compression Cycle
Fulltext: 234-264-1-PB.pdf (355.32KB)

Ketersediaan

Perpustakaan Pusat (Semanggi) Nomor Panggil: MM64 Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

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Isi artikel

A dynamic mathematical model for a new structure of precision air conditioning (PAC) has been developed. The proposed PAC uses an additional secondary condenser for relative humidity regulation compared to a basic refrigeration system. The work mechanism for this system and a vapour-compression cycle process of the system are illustrated using psychrometric chart and pressure-enthalpy diagram. A non-linear system model is derived based on the conservation of mass and energy balance principles and then linearized at steady state operating point for developing a 8 -order state space model suited for multivariable controller design. The quality of linearized model is analyzed in terms of transient response, controllability, observability, and interaction between input-output variables. The developed model is verified through simulation showing its ability for imitating the nonlinear behavior and the interaction of input-output variables.

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