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Author: search.filters.author.Wongkamhang, A.

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    Design and simulation of air flow inside double wall infant incubator by using 3D FEM; Case study for multi inflow and outflow slot
    (2013-12-01)
    Wongkamhang, A.
    ;
    Phasukkit, P.
    ;
    Pintuviroj, C.
    ;
    Prasantamrongsiri, S.
    ;
    Sanpanich, A.
    This paper presents a concept of the design and development of an infant incubator by increasing a number of an air flow slot for air-inlet and air-outlet inside a double wall infant incubator. The number of airflow inlet slot is increase to 2 while an airflow outlet slot is to 4 at the lateral side. The study is done by using FEM simulation to compare between single air flow slot and multi air flow slot. The simulation results show that air temperature in multi-slot provides more distribution that the single wall obviously and no air layer exist in the air hood. In term of rising temperature, 4 temperature monitoring points was located around an infant area then be averaged during simulation process, multi-slot show a shorter time than single-slot to reach a setting temperature at 35 C. These simulations provides a useful basic information to prepare a real validation in the near future. © 2013 IEEE.
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    3D finite element analysis of heat transfer efficiency in double wall infant incubator
    (2012-12-01)
    Wongkamhang, A.
    ;
    Phasukkit, P.
    ;
    Airphaiboon, S.
    ;
    Pintavirooj, C.
    ;
    Thongpance, N.
    This paper presents a study of heat transfer efficiency in double wall infant incubator by using 3D finite element method. Double wall infant incubator was modeled by using general CAD program then FEM analysis was implemented based on heat transfer and fluid dynamic principle. Real temperature measurement also performed to validate our simulation by using a general infant incubator and an infant incubator analyzer. Real experimental data at each 4 monitoring points and simulation data provide a small difference in temperature. In the future work, infant model should be included into our incubator in order to estimate a heat source effect from newborn baby. ©2012 IEEE.