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Heat exchanger network synthesis integrated with flexibility and controllability
Heat exchanger networks Flexibility Controllability Coupling Synthesis
2023/6/19
Over the last three decades, flexibility and controllability considerations for heat exchanger networks (HENs) have received great attention, respectively. However, they should be simultaneously incor...
A thermo-economic multi-objective optimization model for simultaneous synthesis of heat exchanger networks including compressors
Superstructure Heat exchanger networks Compressor Mathematical programming Multi-objective Thermo-economic
2023/6/19
TWo significant forms of energy widely used in chemical industries are heat and work related to temperature and pressure manipulation. Since complex relationship exists in these strongly interacting p...
Multiobjective Optimization of Interplant Heat Exchanger Networks Considering Utility Steam Supply and Various Locations of Interplant Steam Generation/Utilization
Heat Exchanger Networks Utility Steam Supply
2023/6/19
A multiobjective optimization (MOO) framework considering the dual objectives of the economy and the environment is presented in this work for the extended integration of interplant heat exchanger net...
Superstructure-Based Simultaneous Optimization of a Heat Exchanger Network and a Compression-Absorption Cascade Refrigeration System for Heat Recovery
Heat Exchanger Network Refrigeration System Heat Recovery
2023/6/19
A heat exchanger network (HEN) plays an important role in the chemical process industry owing to its significant effect in energy recovery. A compression-absorption cascade refrigeration system (CACRS...
Analysis of ground massif temperatures with horizontal heat exchanger
heat pump heat conduction heat transfer heat transfer fluid thermal power
2014/2/24
The paper is aimed at specification of ground massif temperatures in the horizontal heat exchanger area in both the
heating season and during heat exchanger stagnation. The energetic potential of th...
Analysis of rock mass borehole temperatures with vertical heat exchanger
geothermal heat pumps temperature laps rate thermal conductivity thermal resistance heat capacity
2014/2/25
The goal of the article is to analyze the distribution and changes of temperatures in boreholes with the rock mass/fluid tubular heat exchangers used as an energy source for the heat pump. It also aim...
HEAT TRANSFER STUDIES ON SPIRAL PLATE HEAT EXCHANGER
spiral plate heat exchanger Reynolds number nusselt number
2009/10/14
In this paper, the heat transfer coefficients in a spiral plate heat exchanger are investigated. The test section consists of a plate of width 0.3150 m, thickness 0.001 m and mean hydraulic diameter o...
GEOMETRIC OPTIMIZATION OF CROSS-FLOW HEAT EXCHANGER BASED ON DYNAMIC CONTROLLABILITY
geometric optimization controllability cross-flow heat exchanger
2009/10/14
The operation of heat exchangers and other thermal equipments in the face of variable loads is usually controlled by manipulating inlet fluid temperatures or mass flow rates, where the controlled vari...
A NUMERICAL STUDY OF FLOW AND TEMPERATURE FIELDS IN CIRCULAR TUBE HEAT EXCHANGER WITH ELLIPTIC VORTEX GENERATORS
numerical computations fluid flow heat transfer
2009/10/14
The two-dimensional fluid flow and heat transfer in a circular tube heat exchanger with two elliptic obstacles at the back is studied numerically. The computational domain consists of a circular tube ...
木材干燥的振荡流热管换热器设计与试验（Design and Experiment on Oscillation Heat-pipe Heat Exchanger of Wood Drying）
木材 余热回收 高湿废气
2009/9/25
设计了自激振荡流热管换热器余热回收系统并进行了试验，考察了湿空气和操作参数对热回收效率的影响。试验结果表明，自激振荡流热管换热器能够满足高湿废气余热回收的要求，在给定的操作条件下，系统的热回收效率高于18%。
CDM based controller design for nonlinear heat exchanger process
Nonlinear process Loop-Pro trainer FOPDT model
2009/7/28
Most processes are nonlinear, and their control is a difficult yet important problem. The heat exchanger
is an example one such nonlinear process. In the present paper, the effect of process nonlinea...
Nusselt Number and Convection Heat Transfer Coefficient for a Coaxial Heat Exchanger Using Al2O3-Water pH=5 Nanofluid
experimental nanofluid Nusselt number
2010/8/18
Recently, a new class of fluid made up of metal nano-particles in suspension in a liquid, called nanofluid, appeared. Some numerical studies have shown that these new fluids have a higher heat transfe...
Effect of Half Length Twisted-Tape Turbulators on Heat Transfer and Pressure Drop Characteristics inside a Double Pipe U-Bend Heat Exchanger
Heat transfer coefficients heat transfer enhancement heat exchanger
2010/1/15
Influences of the half length twisted tape insertion on heat transfer and pressure drop characteristics in a U-bend double pipe heat exchanger have been studied experimentally. In the experiments, the...
Researches Regarding the Efficiency of Water to Air Heat Exchanger with Heat Pipes for the Mechanical Ventilation System
the Efficiency of Water Air Heat Exchanger Heat Pipes the Mechanical Ventilation System
2010/8/18
The present paper proposes the analysis of the efficiency of water to air heat exchanger with heat pipes for the mechanical ventilation system. The performed study is based on the necessity of the ...
Exergy of heat flows of the air-to-air plate heat exchanger
heat exchanger air efficiency energy exergy anergy heat flow stables
2014/2/28
Based on extensive measurements of the temperature, humidity and flow rate of the heated and cooled air in the plate heat exchanger this article analyses the influence of air inlet temperatures on bot...