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Influence of discharge resistance on internal flow structure and performances of the cross flow fan and the unit incorporating heat exchanger

100%
Stacharska-Targosz J., Nering K.
Czasopismo Techniczne
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-
PL
In this paper some selected problems dealing with an influence of different throttling conditions on the flow structure inside a cross flow fan working in a unit incorporating a heat exchanger as well as on aerodynamic performances of a cross flow fan and unit have been studied. Different experimental and numerical methods have been used to verify and confirm selected flow phenomena. The local pressure loss as an effect of a heat exchanger resistance has been estimated taking into consideration some experimental results confirmed by the Finite Volume Method computation.
2
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An Evaluation of Delamination in Composite Structures by Cooling Down Thermography (CDT): Numerical Studies

100%
Pastuszak P. D., Nering K.
Czasopismo Techniczne
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-
PL
This paper is devoted to numerical studies of composite structures with delaminations made with the use of CDT. Analysis of temperature distribution provides the opportunity to determine the geometry of subsurface defects. Results confirm the validity of the FE model in comparison to previous experimental investigations.
3
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Analysis of Pressure Losses in the Cross Flow Fan Heat Exchanger at Various Thermal and Flow Conditions

100%
Stacharska-Targosz J., Nering K.
Czasopismo Techniczne
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-
PL
In this paper the analysis of performance characteristics of a cross flow fan working as an element of the unit incorporating heat exchanger as well as performance characteristics of the unit are presented. These experimental results were basic for consideration of pressure losses arising as an effect of direct connection of a cross flow fan and a heat exchanger located in the charging zone of the fan as a resistance. Analysis of an influence of rotational speed variation as well as a medium temperature on aerodynamic characteristics of heat exchanger let to propose a method for the local pressure loss estimation.
4
Content available remote

Analysis of Pressure Losses in the Cross Flow Fan Heat Exchanger at Various Thermal and Flow Conditions

100%
Stacharska-Targosz J., Nering K.
Czasopismo Techniczne
|
-
PL
In this paper the analysis of performance characteristics of a cross flow fan working as an element of the unit incorporating heat exchanger as well as performance characteristics of the unit are presented. These experimental results were basic for consideration of pressure losses arising as an effect of direct connection of a cross flow fan and a heat exchanger located in the charging zone of the fan as a resistance. Analysis of an influence of rotational speed variation as well as a medium temperature on aerodynamic characteristics of heat exchanger let to propose a method for the local pressure loss estimation.
5
Content available remote

An Evaluation of Delamination in Composite Structures by Cooling Down Thermography (CDT): Numerical Studies

100%
Pastuszak P. D., Nering K.
|
PL
This paper is devoted to numerical studies of composite structures with delaminations made with the use of CDT. Analysis of temperature distribution provides the opportunity to determine the geometry of subsurface defects. Results confirm the validity of the FE model in comparison to previous experimental investigations.
6
Publication available in full text mode
Content available

Analysis of flow of crystallizing water suspensions in pipelines

81%
Komorowicz T., Nering K., Walczak S.
Czasopismo Techniczne
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-
PL
The paper presents a method for monitoring the flow conditions in pipelines in the case of transport of crystallising water slurries forming scale. The method’s core is the ability to calculate the equivalent pipeline diameter under varying flow conditions in industrial practice. The method was successfully tested in the laboratory and employed in an industrial plant.
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