The technology of the oxygen enriched combustion is a very promising new power generation technology for cleaning coal. This paper takes a 300MW coal-fired boiler for study, calculates the properties of flue gas of the pulverized coal combustion under the air and oxygen and pressurized oxygen enriched(CO2/O2=70:30,0.1MPa/1MPa)...

Draw the commonly refrigerants table for writing in the program selector working pair in tune content. Selection according to the evaporation temperature of low temperature refrigerant, based on traditional non-azeotropic refrigerant select automatic cascade principle, the preparation method of choice...

The compressibility factor is solved using the RKS equation and the corresponding calculation program. Redlich-kwong- Soave the numerical calculation method for solving the compressibility factor, R22 and CO2 is calculated and compare it with standard values, so as to verify correctness of program. Finally,...

Taking a coal-fired unit as the research object, the denitrification efficiency and cost of SCR system are analyzed under burning-coal with different moisture. Though thermal calculation, the gas inlet temperature at SCR system was calculated, then the denitrification efficiency was gotten from the graph...

The pool nucleate boiling heat transfer characteristics of 10%, 20% and 30% lithium bromide solution was studied in the paper with Polyethylene Glycol Octylphenol Ether as an additive. The results showed that the additive can significantly reduce the surface tension of lithium bromide solution and different...

By using the software FIRE, the flow structure of 186FA diesel engine were analyzed by numerical simulation. The indicator diagram, velocity field and turbulent kinetic energy in the cylinder were simulated by both the k - model and the large-eddy simulation(LES) model. The results shows that the mesh...

This paper uses ICEM and the FLUENT CFD module of ANSYS software to do numerical simulation of Sterling engine combustion chamber 3D model, to reflect the the turbulent flow characteristics of engine combustion chamber in the Sterling velocity field distribution, further, according to the analysis re-sults,...

Relatively mature methanol reforming PEMFC products have been produced domestically, and power generation efficiency of the whole system can reach 30%, but most of the waste heat is not used. Based on an experiment table of methanol reforming PEMFC system, a large mount of data about the internal temperature,...

In this paper, we use experiment to work on our own design of the dimple plate heat exchanger and the experimental result is compared with the heat transfer characteristics of the flat plate under the same experimental conditions.The test result shows that, under the given inlet temperature condition,...

With the rapid development of power electronic devices, high-power IGBT is increasingly popular, It is used as a switching device in SVG static var generator. Due to the large switching losses, we need to design a suitable radiator, to maintain the highest temperature of 80 C in working condition, then...

With the increasing levels of automation, building of heating’s automatic level have a considerable development. So, quality of heating has been greatly improved. However, in actual operation remain exist extensive management. So, heating field need a heating quality evaluation system to evaluate the...

Haze formation process and the reason were analyzed in the paper, and its harm to human health, particularly pollutants from thermal power industry was a key factor. In order to control the atmosphere environment worsen, and gradually improved the air quality, shorten time of the haze weather harm to...

The control strategy of the cooling tower is an important factor in the optimal operation of hybrid ground-source heat pump systems (HGSHPS). This paper selected a hotel building of cooling-dominated area as the research object. We selected multiple control operating points of two commonly used control...

Based on finite element analysis, natural convection heat transfer and other theory, we established finite element model of optical feedthrough and we got the natural convection coefficient of air at 140 . Through the study of thermal analysis of fiber feedthrough, we got the temperature field distribution...

In recent years, the Chinese iron and steel enterprise energy resources conservation technology progress and key generic technology development and application, including CDQ technology, coal moisture control technology, sintering waste heat recovery and utilization, blast furnace top gas residual pressure...

This paper aims to research and analyze the heat dispersion of small variable capacity refrigeration system which is used for cooling the chips with high heating flux. The cooling system was built for researching what influence refrigerant charge will bring to the performance of the system, such as suction-exhaust...

Combined with the current requirements and development situation of ultra-supercritical units, analyze the impact of secondary reheat technology to ultra-supercritical units to improve efficiency and environmental benefits. Steam temperature control is a key to double reheat system, in addition to improving...