scholarly journals An unsteady state analysis of packed bed reactors for gas-solid reactions.

1984 ◽  
Vol 17 (3) ◽  
pp. 269-275 ◽  
Author(s):  
HEUNG CHUL PARK ◽  
SHOICHI KIMURA ◽  
YUKIO SAKAI ◽  
SETSUJI TONE ◽  
TSUTAO OTAKE
Keyword(s):  
Packed Bed ◽  
Unsteady State ◽  
Packed Bed Reactors ◽  
Unsteady State Analysis ◽  
State Analysis

Water quality modelling under unsteady state analysis: Strategies for planning and management

2019 ◽  
Vol 239 ◽  
pp. 150-158 ◽  
Author(s):  
Danieli Mara Ferreira ◽  
Cristovão Vicente Scapulatempo Fernandes ◽  
Eloy Kaviski ◽  
Darrell Fontane
Keyword(s):  
Water Quality ◽  
Unsteady State ◽  
Water Quality Modelling ◽  
Planning And Management ◽  
Analysis Strategies ◽  
Unsteady State Analysis ◽  
State Analysis

Flow Control and Unsteady State Analysis on Thermal Performance of Solar Air Collectors

Solar Energy ◽  
2003 ◽  
Author(s):  
Sadasuke Ito ◽  
Minoru Kashima ◽  
Naokatsu Miura
Keyword(s):  
Control System ◽  
Flow Control ◽  
Air Temperature ◽  
Flow Rate ◽  
Thermal Performance ◽  
Unsteady State ◽  
Solar Radiation Intensity ◽  
Flat Plate Collector ◽  
Unsteady State Analysis ◽  
State Analysis

Solar air collectors can be used for heating rooms, drying crops and wood, and heating water. In present studies, first, a flow control system for obtaining a constant temperature at the exit of a flat-plate collector was installed in a hot air supply system and the feasibility of the control system was examined. When the flow temperature was lower than the temperature that was set by a digital indicating controller, the fan power was reduced to decrease the flow rate. When the outlet air temperature was higher than the setting temperature, the flow rate was increased. Consequently, the control system worked well to maintain the exit air temperature. Secondly, an unsteady state analysis was made on thermal performance of the collector. In analysis, flow rate variations over time were given as conditions. Validity of this analysis was checked by experimentation. Analytical results agreed well even when solar radiation intensity, wind speed, or flow rate changed abruptly.

Unsteady-state analysis of a counter-flow dew point evaporative cooling system

Energy ◽  
2016 ◽  
Vol 113 ◽  
pp. 172-185 ◽  
Author(s):  
J. Lin ◽  
K. Thu ◽  
T.D. Bui ◽  
R.Z. Wang ◽  
K.C. Ng ◽  
...  
Keyword(s):  
Cooling System ◽  
Evaporative Cooling ◽  
Dew Point ◽  
Unsteady State ◽  
Counter Flow ◽  
Evaporative Cooling System ◽  
Unsteady State Analysis ◽  
State Analysis
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