نتایج جستجو برای: plate heat exchanger
تعداد نتایج: 278250 فیلتر نتایج به سال:
in this study. optimum allocation of heat transfer inventory for heat exchangers in a refrigeration system with specified power input or cooling capacity. and for a heat pump with specified heating capacity is investigated. the ratio of hot- to cold-end conductance unit cost ratio. g.was considered in the analysis as an additional variable of considerable importance to the designer summarized e...
For insuring the safe operation of LNG heat exchanger in Emergency Stop Operation Process (ESOP), a numerical method is proposed to investigate stress Plate-Fin Structures (PFS) that. The relationship between PFS and ESOP analyzed exchanger. results will be obtained that maximum equivalent greater at initial stage than last when HMR pressure more 5 MPa. increases with equilibrium temperature 18...
Infrared thermography of brazed plate heat exchangers for evaporators and condensers recently was used to quantify maldistribution. With the knowledge secondary fluids transfer coefficient a given distribution, local primary fluid (refrigerant) its distribution channels can be calculated. A sensitivity analysis shows ± 10 % difference surface temperature wall center at expected ratios coefficie...
An experimental study of heat transfer characteristics with and without insert was found using water –water system on 1-2 pass shell and tube heat exchanger. Experimental results such as exchanger effectiveness, overall heat transfer coefficient were calculated using with and without insert. There is improvement in overall heat coefficient, efficiency in using twisted tape. In all the process i...
Improving the heat transfer performance of conventional fluid creates significant energy savings in process Industries. In this aspect, an experimental study was performed to evaluate Fe2O3-water (W)-engine oil (EO) nanofluid at different concentrations and hot inlet temperatures a plate exchanger. Experiments were conducted by mixing Fe2O3 nanoparticles (45 nm) W-EO mixture base with volume fr...
Heat exchanger networks are widely employed in the chemical processing industries to recover energy, resulting in reduced operating costs. Several methodologies can be found in the literature for the design of heat exchanger networks. Typical criteria are maximum energy recovery and minimum heat transfer area. However, the heat integration of process streams can lead to process structures that ...
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