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Heating system operation

Xem 1-20 trên 49 kết quả Heating system operation
  • Lecture Methods of Electric power systems analysis - Lesson 6: Power operations, power flow provide students with knowledge about three bus powerworld simulator case; basic power control; power flow in transmission line is limited by heating considerations; overloaded transmission line; automatic generation control;...

    pdf54p hanthienngao 15-04-2022 9 1   Download

  • An airway-associated fire in an operating room can have devastating consequences for patients. Breathing circuit warmers (BCWs) are widely used to provide heated and humidified anesthetic gases and eventually prevent hypothermia during general anesthesia. Herein, we describe a case of a BCW-related airway fire.

    pdf7p vidietmarhopp 28-12-2021 1 0   Download

  • The solar drying system utilizes solar energy to heat up air and to dry any food substance loaded, which is beneficial in reducing wastage of agricultural products and helps in preservation of agricultural products. A solar cooker is a device which uses the energy of sunlight to heat food or drink or to sterilize it. The vast variety of the solar cookers presently in use are cheap, low tech devices, because they use no fuel and cost, nothing to operate, they reduce air pollution and slow deforestation and desertification.

    pdf6p chauchaungayxua12 29-07-2021 3 0   Download

  • The purpose of this paper is to model the operation of the Shutdown Cooling System (SDCS) for CANDU 6 nuclear power plants in case of LOCA accidents, using Flowmaster calculation code, by delimiting models and setting calculation assumptions, input data for hydraulic analysis and input data for calculating thermal performance check for heat exchangers that are part of this system.

    pdf7p christabelhuynh 31-05-2020 11 1   Download

  • In India p-v cells or arrays are efficiently contributing in various sectors for power generation and lightning systems. Beside this it can also be used to make a system that operates on direct solar energy. Efforts are made to improve the efficiency of solar crop / potatoes dryer in the present work. The present model is consisting of photovoltaic cells, charge controller, battery, heating element or coil to improve the efficiency and specially modified for working in the night environment to dry crop, spices, potatoes, fruits and vegetables.

    pdf8p kethamoi4 16-04-2020 11 0   Download

  • The main objective of this research was to develop a solar energy based thermal reservoir cum heat exchanger using thermic fluid viz. paraffin oil as thermal heat storage and heat transfer medium for generation of hot water which can be used for milk processing operation like pasteurization of milk.

    pdf12p caygaocaolon2 14-03-2020 12 0   Download

  • The energy flow characteristics of Combined Cooling, Heating and Power (CCHP) system are analyzed in detail and the energy flow function is proposed for its two operational strategies: thermal load dominant mode and electrical load dominant mode.

    pdf6p vivalletta2711 11-01-2020 22 0   Download

  • Currently in India milk processing is more than 30 % of the total milk production. Since long the Indian dairy industries relies on the non-renewable sources of energy, which not only getting more and more expensive but also are responsible to serious health concerns and environmental problems such as global warming. Therefore, adoption of green energies has been promoted by research communities, social and environmental groups and government. Considering the geological location of India, solar energy has been proven most promising among the available green and renewable energies.

    pdf12p quenchua2 15-12-2019 14 0   Download

  • Exact prediction of the cooling and heating load, proper sizing of the heat ventilation airconditioning (HVAC) system and optimal control of the HVAC systems are important to minimize energy consumption. Calculation of thermal load of building is very essential to find exact air-conditioning equipment and air handling unit, to achieve comfort operation and good air distribution in the air-conditioned zone. This project Cooling load estimation for a Reading Hall of CAET, JAU presents by using TETD method. The Reading Hall considered in this study is situated in Junagadh (70.45°E, 21.

    pdf6p kethamoi2 14-12-2019 12 0   Download

  • The experimental results showed that the natural circulation system is feasible in removing the decay heat, even though some fluctuations may occur in the operation. The uneven temperature distribution in the water tank may be inevitable because convection occurs on the outside of the condensing tube besides boiling with decreasing the decay power. The instabilities in the natural circulation loop are sensitive to heat flux and system resistance rather than the water level in the steam drum and water tank. RELAP5 code shows reasonable results compared with experimental data.

    pdf9p minhxaminhyeu5 30-06-2019 16 0   Download

  • The ultimate heat transfer mechanism contributes to minimization of the heat exchanger size and containment volume. A small containment can ensure the underground construction, which can use river or seawater as an ultimate heat sink. The changing mechanism of the cooling geometry simplifies several safety systems and unifies diverse functions. Simplicity of the present safety system does not require any operator actions during events or accidents.

    pdf6p minhxaminhyeu5 30-06-2019 5 1   Download

  • The advanced passive pressurized water reactor (PWR) is being constructed in China and the passive residual heat removal (PRHR) system was designed to remove the decay heat. During accident scenarios with increase of heat removal from the primary coolant system, the actuation of the PRHR will enhance the cooldown of the primary coolant system. There is a risk of power excursion during the cooldown of the primary coolant system. Therefore, it is necessary to analyze the thermal hydraulic behavior of the reactor coolant system (RCS) at this condition.

    pdf9p minhxaminhyeu5 30-06-2019 13 1   Download

  • This paper deals with the Safety Analysis for CANDU® 6 nuclear reactors as affected by main Heat Transport System (HTS) aging. Operational and aging related changes of the HTS throughout its lifetime may lead to restrictions in certain safety system settings and hence some restriction in performance under certain conditions. A step in confirming safe reactor operation is the tracking of relevant data and their corresponding interpretation by the use of appropriate thermal-hydraulic analytic models.

    pdf8p minhxaminhyeu5 30-06-2019 10 0   Download

  • Twenty sodium-cooled fast reactors (SFRs) have provided valuable experience in design, licensing, and operation. This paper summarizes the important safety criteria and safety guidelines of intermediate sodium systems, steam generators, decay heat removal systems and associated construction materials and in-service inspection. The safety criteria and guidelines provide a sufficient framework for design and licensing, in particular by new entrants in SFRs.

    pdf7p minhxaminhyeu5 30-06-2019 9 1   Download

  • This study evaluates (i) the performance and effectiveness of the passive safety features of iPOWER (innovative Power Reactor), and (ii) whether a severe accident condition could be reached if the passive safety systems are damaged, namely the case of heat exchanger tube rupture. Analysis results show that the reactor coolant system remains in the hot shutdown condition without operator actions or electricity for over 72 h when the passive auxiliary feedwater systems (PAFSs) are operable without damage.

    pdf7p minhxaminhyeu3 12-06-2019 8 0   Download

  • In this paper, the author presents the optimal calculation and control process of the size of the heat sink and the contact plate under the influence of actual operation conditions at the specified velocity of the air flow from which the model is built directly to determine the number and the size of the heat sink’s plate fins.

    pdf5p viapollo11 10-04-2019 14 0   Download

  • To protect the regenerative air heater against corrosion when operating the boiler at low loads and/or low ambient air temperatures, a steam coil air heater will be required in the secondary air ducts between the FD fans and the regenerative air heaters. The steam coil air heater should be designed to heat combustion air at any load from the minimum ambient temperature, 16.7 ºC, up to a temperature suitable to protect the cold end elements of the regenerative air heater. Supply of the steam coil air heater will not be by Babcock & Wilcox.

    pdf2p khaionline91 02-05-2017 33 3   Download

  • (BQ) The Handbook of heating ventilation and air conditioning combines practice and theory, systems and control, and the latest methods and technologies to provide, in one volume, all of the modern design and operation information needed by HVAC engineers.

    pdf350p bautroibinhyen19 02-03-2017 50 5   Download

  • Contents of "Respironics V200/Esprit ventilator service manual": introduction and intended use; recommended tools and test equipmen; warnings, cautions, and notes; theory of operation; pneumatic system; air system check valve;...

    pdf408p minhhoan2006 16-06-2014 82 3   Download

  • There are four major categories of catastrophic failure which exists in the boiler itself. 1. Melt down. This is a result of the heating surface metal reaching its melting point. It is a result of the boiler operating on very low water conditions. This by itself will not cause an explosion but will do major damage to the boiler and create a dangerous situation which could lead to an explosion.

    ppt24p nguyenhaitrieu87 17-09-2013 47 5   Download

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