... heating and cooling systems.Overview of district heating and cooling (DHC) system at WVUExisting Heating and Cooling System at WVUWVU's existing District Heating and Cooling (DHC) system operates ... promising alternative.WVU's heating and cooling system stands out for its year-round steam usage, providing heat in winter and absorption cooling in summer Implementing geothermal heating would enable ... reflecting steam demand, and the heat extracted by both the geothermal system and the heat pump is assessed over a year The geothermal contribution to the campus heating and cooling system is approximately
Ngày tải lên: 21/10/2022, 18:22
... Combined cooling heating and power (CCHP) system Biomass energy Solar energy Thermodynamics analysis Energy complementarity a b s t r a c t A hybrid combined cooling heating and power (CCHP) system ... emissions, high reliability and other features[1] A DES, which includes combined heating and power (CHP) system, combined cooling, heating and power (CCHP) sys-tem, and distributed renewable energy ... chiller and heat Nomenclature CCHP combined cooling heating and power CHP combined heating and power COP coefficient of performance CO2 carbon dioxide DES distributed energy system HHV higher heating
Ngày tải lên: 29/07/2016, 14:01
Parametric analysis of geothermal residential heating and cooling application
... geometrical attributes and Hinf the factor of opening’s position and air force exposure Annual heating demand of the building is 33.78 kWh/m2 whereas cooling demand is 27.34 kWh/m2 3 GSHP system simulation ... reads the annual TRNSYS heating and cooling load profile so as to determine the values of the peak heating and cooling loads for each month of the year (see Table 2) and their durations Moreover, ... the heating season and 8-hour duration for the cooling one Table 2 Ground source heat pump system loads and climatic data Month Total Loads [kWh] Peak Loads [kW] Climatic Data [14] Heating Cooling
Ngày tải lên: 05/09/2013, 16:10
Volume 3 solar thermal systems components and applications 3 13 – solar space heating and cooling systems
... both space heating and cooling systems when both are present A review of the various solar heating and cooling systems is presented by Hahne [3], and a review of solar and low-energy cooling technologies ... cylinder [1] Five types of systems belong to this category: the direct circulation systems, indirect water heating systems, air systems, heat pump systems, and pool heating systems According to Duff ... with solar cooling than with solar heating systems Solar cooling systems can be classified into three categories: solar sorption cooling, solar-mechanical systems, and solar-related systems [4]
Ngày tải lên: 30/12/2017, 17:25
An integrated solar heat pump system for cooling, water heating and drying
... SOLAR HEAT PUMP SYSTEM FOR COOLING, WATER HEATING AND DRYING YE SHAOCHUN NATIONAL UNIVERSITY OF SINGAPORE 2009 Trang 2AN INTEGRATED SOLAR HEAT PUMP SYSTEM FOR COOLING, WATER HEATING AND DRYING ... solar energy and heat pump system can bring about various thermal applications for domestic and industrial use, such as water heating, solar drying, space cooling, space heating and refrigeration ... 89 System Performance 91 5.1.3 Water heating and air conditioning with solar collector 93 Water heating 93 Air-conditioning 94 Evaporator-collector 95 System Performance 97 5.1.4 Water heating
Ngày tải lên: 14/09/2015, 08:37
Tài liệu Cooling and Lubrication System Maintenance P2 doc
... drive methods and to identify and describe the operation of the components of the different systems The next lesson will provide you with the skills necessary to inspect and test cooling systems Technology ... the cooling system without coolant entering the crankcase This is due to the pressure difference between the two systems; oil pressure is always greater than the pressure within the cooling system ... provides a way to isolate defective components or systems before spending man-hours and money replacing them The cooling system is a very simple system to test Some components such as hoses, clamps,
Ngày tải lên: 25/01/2014, 15:20
Tài liệu Cooling and Lubrication System Maintenance P1 doc
... types of cooling systems used in motor 2 What type of cooling system has the engine designed with cooling fins attached to the cylinders and cylinder heads? 3 What type of cooling systems ... efficiency and still produce maximum horsepower by using its cooling system only when 2 Given characteristics and design features of the two types of cooling systems, identify in writing the type of cooling ... engine cooling system to cool other major components such as the | transmission and hydraulic system As we continue, we will discuss in detail the operation of the liquid cooling system and the
Ngày tải lên: 25/01/2014, 15:20
Cooling and Lubrication System Maintenance Part 12 pdf
... clean the cooling system? a Clean with a solution of vinegar and water b Use a cooling system cleaning compound kit c Disassemble the radiator and rod out the tubes dad Scrap the radiator and order ... order, are the steps for flushing the cooling system after it has been depressurized (1) Start the engine and run it at fast idle (2) Flood the cooling system (3) Open all draincocks (4) Add ... electrical and oil pressure tests on the lubrication system? a Multi-meter b Flow meter Cc VAT 40 da STE/ICE 74 What publication provides instruction for testing and repairing the lubrication system
Ngày tải lên: 21/07/2014, 15:20
Cooling and Lubrication System Maintenance Part 9 ppsx
... the filter by hand as tightly as possible, and then, using a crescent wrench, tighten it an additional turn b Apply a light coat of oil to the seal; tighten the filter by hand, and then tighten ... Clean the grease and 0il from the seal and then tighten the filter by hand | d Apply a light coat of oil to the seal, screw the filter onto the adapter until resistance is felt, and then tighten ... the life of our equipment Additionally, you will identify procedures for handling and disposing of used lubricants, parts, and shop materials Lesson 1 LUBRICATION SERVICING (OIL) LEARNING OBJECTIVES
Ngày tải lên: 21/07/2014, 15:20
Cooling and Lubrication System Maintenance Part 8 docx
... 3-51 are included 3502 Inspecting and Testing the Engine Lubrication System The two conditions that should cause you to inspect and/or test the engine lubrication system are low oil pressure or ... provides a list of equipment and components that require oil sampling? List the two methods used to obtain oil samples INSPECTING AND TESTING THE LUBRICATION SYSTEM LEARNING OBJECTIVES 1 ... contamination and wear metal particles Even with oil analysis, other maintenance inspections and tests are still required If you use the JOAP in conjunction with the preventive maintenance inspections and
Ngày tải lên: 21/07/2014, 15:20
Cooling and Lubrication System Maintenance Part 7 ppsx
... lubrication instruction arebased on mileage andcalendar times An example of a mileage and calendar lubrication is 3/S, in which 3 stands for 3,000 miles and S stands for semi-annually The lubrication ... information and lubrication information The main body is broken down into two sections; for ease of understanding, let's call them "systems illustrations" and "localized views." (1) Systems ... 9, 10, and GIA Clean (O) view A, AY) (See note 9 and view A) No 4 Axle Differential Brake Camshaft and | Check (O) 3/S Siack Adjuster Fil (0) GO OC ` (No 2, 3, and 4 Axies) Drain and retill
Ngày tải lên: 21/07/2014, 15:20
Cooling and Lubrication System Maintenance Part 6 doc
... pick up oil and splash it throughout the assembly lubricated Fig 3-8 Dip feed system Fig 3-7 Gravity feed system c Dip feed system The dip feed system is used in most axle and differential ... Engine Lubrication System To properly service, troubleshoot, or repair the components of a lubrication system, you must know the components that make up the system and understand how they operate ... (fig 3-9) This system works much like the dip feed system The splash feed system is still used in combination with other systems on large engines and is also used on smaller engines as the main
Ngày tải lên: 21/07/2014, 15:20
Fundamental design and study of an evaporative cooling system
... Chapter1 Introduction 1 1.1 Background and motivation 1 1.1.1 Direct evaporative cooling system 3 1.1.2 Indirect evaporative cooling system 4 1.2 Objectives and approach 6 1.3 Outline of thesis ... understand their effect on the system cooling effectiveness At the meantime, Lewis factor and surface wettability are considered as two determining parameters and their influences on the system ... configuration of direct evaporative cooling system (b) Psychrometric chart representation [4] 1.1.2 Indirect evaporative cooling system Indirect evaporative cooling system (IECS) separates primary
Ngày tải lên: 30/09/2015, 10:11
Fundamental design and study of an evaporative cooling system
... Chapter1 Introduction 1 1.1 Background and motivation 1 1.1.1 Direct evaporative cooling system 3 1.1.2 Indirect evaporative cooling system 4 1.2 Objectives and approach 6 1.3 Outline of thesis ... understand their effect on the system cooling effectiveness At the meantime, Lewis factor and surface wettability are considered as two determining parameters and their influences on the system ... configuration of direct evaporative cooling system (b) Psychrometric chart representation [4] 1.1.2 Indirect evaporative cooling system Indirect evaporative cooling system (IECS) separates primary
Ngày tải lên: 06/10/2015, 21:29
Vận hành tối ưu mạng lưới năng lượng siêu nhỏ trên cơ sở mô hình làm mát, gia nhiệt kết hợp năng lượng điện (Combined Cooling, Heating and Power - CCHP) mở rộng có xét đến hệ
... distribution system considering cooling, heating and power load balance,” J Mod Power Syst Clean Energy, vol 3, no 4, pp 485-493, 2015 [15] M X Liu, Y G Shi, and F Fang, “Combined cooling, heating and ... Hao, "Energy flow calculation and integrated simulation of micro-energy grid with combined cooling, heating and power," Automation of electric power systems, vol 40, no 23, pp 22-27, ... M Xu, N Tai, and W Huang, "Energy router design based on community energy network," Power System Protection and Control, vol 44, no 23, pp 177-183, 2016 [6] T Ma, J Wu, and L Hao, "Energy
Ngày tải lên: 06/07/2022, 16:44
Project on microprocessor the meter monitors the temperature and starts the cooling system
... Education and the guidance of Mr NguyenThanh Nghia, our group learned about: The meter monitors the temperature and starts the cooling systemThe aim of the topicMonitor temperature and start the cooling ... componentBuild a temperature monitoring system and start it up by programming Construction, control and supervision of the system test and evaluate the resultsObject and scope of the studyThe object ... of system operationChapter 3: Perform monitoring, operate the temperature monitoring meter and start the cooling systemTheoretical foundations of system operationWorking principle of the systemWith
Ngày tải lên: 15/04/2024, 19:03
Economic-environmental performance indexes for solarpowered absorption cooling system in Mediterranean area
... peak electric demand in summer and the diffusion of the air-condition system The cooling using heat produced by solar radiation could seem a mad idea; nevertheless, air-conditioning systems not conventional ... Financial and use energy parameters Hydraulic systems installation of compressor system 20000 € Electricity cost - energy 0.1044 €/kWh Hydraulic systems installation of solar-thermal system 15000 ... an economic index and an environmental-energetic index Copyright © 2010 International Energy and Environment Foundation - All rights reserved Keywords: Cooling absorption system, Economic index,
Ngày tải lên: 05/09/2013, 14:58
Heating and Water Services Design in Buildings pptx
... Identifying services and plant 1496.3 Building energy management systems 1606.4 Control strategies for heating systems 1656.5 Chapter closure 167 7 The application of probability and demand units in ... INTERMITTENT HEATING The foregoing Examples 1.4 and 1.5 are based on the assumption that the heating plant operates continuously throughout the heating season This is the case for factories working a system ... outdoor climate and type of heating system Figures 1.7 and 1.8 are in common use Indoor environmental temperature tei was adopted as the comfort index It has 1.4 Heat flow paths and conductance
Ngày tải lên: 08/03/2014, 17:20
performance measurement and costing system in new vietnamese companies
... activities and cost objects Numerous articles address the design and implementation of ABC systems (Shank and Govindarajan, 1993; Alan, 1995; David and Robert, 1995; Booth, 1996) According to Innes and ... changes in source systems; the number and complexity of system integration interfaces; poor system design; data conversion errors (Eckerson, 2002) Strategy and measurement BPM systems come in ... Costing systems 6 2.1.1 The overview of costing system 6 2.1.2 The importance of costing systems 7 2.1.3 The type of costing systems 9 2.1.4 Design of a Performance Based Costing (PBC) system
Ngày tải lên: 13/03/2014, 14:20
Báo cáo khoa học: Mitochondrial transcription factor A overexpression and base excision repair deficiency in the inner ear of rats with D-galactose-induced aging pdf
... There-fore, it is critical to understand the origin of this lesion and how DNA repair systems modulate this process In this study, we investigated the effect of BER and mtDNA replication on increased ... peripheral auditory system) is tiny and extremely difficult to dissect, investigations in the peripheral auditory system are much more difficult than those in the central auditory system Up to now, ... common deletion (mtDNA 4977-bp and 4834-bp deletion in humans and rats, respectively) is the most typical and frequent form of mtDNA damage associated with aging and degenera-tive diseases The
Ngày tải lên: 14/03/2014, 23:20