kw for electric hot water heating system
BS 845 1 1987 assessing thermal performance of boilers for steam, hot water and high temperature
... procedure for conducting thermal performance assessments, using the indirect (losses) procedure, to give results within a tolerance of ± percentage points1) for boilers for steam, hot water or ... straightforward procedure at minimum cost It is intended to be used in connection with the testing of sectional cast iron, welded steel, shell and simple water- tube boilers for steam, hot water ... sectional hot water boilers Boiler Direct openings from type combustion chamber Water cooled base Closing and clean-out plates and other non -water- backed surface A None Yes B Less than 000 mm2 /kW No...
Ngày tải lên: 28/09/2014, 23:11
BS 5449 1990 forced circulation hot water central heating systems for domestic
... panels 2.2 boiler an appliance designed for heating water either for space heating or for space heating combined with hot water supply 2.3 central heating heating from a single central source within ... equipment for sealed water systems BS 7074-1, Code of practice for domestic heating and hot water supply BS 7291, Thermoplastic pipes and associated fittings for hot and cold water for domestic ... for sealed systems g) Facilities for filling and draining the system h) Requirements for domestic hot water supply i) Position of any domestic hot water supply equipment, e.g hot water storage...
Ngày tải lên: 28/09/2014, 23:27
An integrated solar heat pump system for cooling, water heating and drying
... space for analysis and optimization of solar water heating systems They optimized the solar water heating system by minimizing annual life cycle cost An integrated solar heat pump system for cooling, ... expansion for space heating [12, 34-37] 2.1.1 SAHPSs for water heating Chaturvedi et al [12] investigated a variable capacity direct expansion SAHPS, which was used for domestic hot water application ... from November to May during the heating An integrated solar heat pump system for cooling, water heating and drying Chapter Literature Review season for two heating systems His experimental studies...
Ngày tải lên: 14/09/2015, 08:37
System and load points reliability evaluation for electric power systems
... 5-bus application system [11] shown in Fig is employed for demonstrating the effectiveness of the proposed method The given data to this application system for computing the system and load points ... frequency for each load point, and the indices ELC, EUE, EDLC results for each load point, as well as the indices EUE, SPII, SAPC/D, SECI for the system [2] Z.G Todd, "A Probability Method for Transmission ... flow analysis A system and load points reliability evaluation method for composite generation and transmission systems operating economically and securely is presented In addition to system reliability,...
Ngày tải lên: 03/01/2014, 19:39
Solar hot water systems pot
... of Solar Powered Hot Water? – Although this chapter deals with systems for domestic hot water, these systems can also be designed to provide space heat for homes Solar hot water systems can also ... solar pool heating system can pay for itself in four years or less 48 2.4 How to Afford SHW ? 49 2.5 More Hot Water … • Because they often use two hot water tanks, solar hot water systems can ... Powered Hot Water ? 1.2 What you need to know about Solar Hot Water ? 1.3 What Solar Hot Water Systems are Compliant? 1.4 The history of Solar Powered Hot Water 1.5 How the used of Solar Powered Hot...
Ngày tải lên: 01/08/2014, 20:21
BS 853 1 1996 vessels for use in heating systems
... atmosphere for the supply of hot water services, for central heating purposes and for industrial applications The water is heated by tubular primary heaters, with hot water, steam or oil as the heating ... BS 853-1:1995 and re-titled “Specification for vessels for use in heating systems — Part 1: Calorifiers and storage vessels for central heating and hot water supply” without any change to the content, ... medium, or electric immersion heating elements 2.2 storage vessel a closed cylindrical vessel containing water at a pressure greater than atmosphere for hot water services, central heating and...
Ngày tải lên: 28/09/2014, 23:11
Development of micro total analysis system for detection of water pathogens
... connections, is regulated as a public water system under the Safe Drinking Water Act [2] Under the Safe Drinking Water Act, EPA requires public water systems to monitor for coliform bacteria first because ... analysis system; (b) System setup 48 Figure 4.9: Layout of probes for hybridization with microbial target (a)Probe Layout 1; (b) Probe layout 50 Figure 5.1: Thermal models for heating scheme for µPCR ... 2-Mask PCR Chip 4.1.2 Device Characterization 34 4.1.3 System Setup for PCR Chip 35 4.1.3.1 System Setup for Mask PCR Chip 35 4.1.3.2 System Setup for µPCR Chip 35 4.1.4 Cleansing 38 4.1.5 Symmetric...
Ngày tải lên: 04/10/2015, 15:57
Báo cáo y học: "Medical emergency teams and rapid response triggers - the ongoing quest for the ‘perfect’ patient safety system"
Ngày tải lên: 25/10/2012, 10:02
Semi-blind signal detection for mimo and mimo-ofdm systems
... communication systems and for higher bandwidth efficiency, this thesis addresses the signal detection problem for three systems in the following three chapters In Chapter 2, a quasi-synchronous MIMO system ... fading It is therefore desirable to combine OFDM with MIMO for high system capacity as well as better performance A lot of research interest has thus been attracted to MIMO-OFDM systems in recent ... noise at the receiver Signal detection is therefore an important component in these systems Most of the works done on signal detection for MIMO systems consider synchronous case It means that...
Ngày tải lên: 20/11/2012, 11:36
NOVEL RESTORATION TECHNOLOGY FOR PUZRIFICATION OF WATER QUALITY IN CLOSED WATER BODY BY HIGH CONCENTRATED OXYGEN WATER
... concentrated oxygen water on the phosphorus release Compared with the sediment soaked in bottom water and in nitrogen-aerated water, the sediment contacted with high concentrated oxygen water released ... high concentrated oxygen water was introduced into the bottom sediment Pilot study was performed in an 18,770,000 m3 dam reservoir The apparatus for high concentrated oxygen water production was ... concentrated oxygen water achieved 10 mgO2/L Measurement of DO concentration and water temperature confirmed that the high concentrated oxygen water didn’t destroy the thermocline of the water body and...
Ngày tải lên: 05/09/2013, 08:40
Intrusion problematic during water supply systems’ operation
... to the performance of the water pipe systems, it is possible to obtain the potential problems associated to possible sources of pollutants The statistics of performance of water pipe systems is ... the scenario simulation Photo A: Beginning of the transient ( ← flow direction ) Photo B: Final of the first lower pressure Photo C: Final of the first upper pressure Photo D: Final of the second ... being H0 the hydraulic pressure on the pipe before the transient simulation, h the water height over the triangular weir, and Q the flow discharge in the system under steady state condition Table...
Ngày tải lên: 05/09/2013, 14:58
Hybrid energy system evaluation in water supply system energy production: neural network approach
... obtain the best hybrid system configuration for a typical water supply system State of the art review 2.1 Basic concepts Unlike a conventional power generation system, a hybrid system by definition ... the electricity supply infrastructure [1] The concern with the consumption of energy in water supply systems is increasingly inducing the managers of these systems in seeking optimal solutions for ... power the system for pumping or turbine the flow between reservoirs, and to sell surplus energy [6] An example of a hybrid energy network, integrated in water supply system is drinking system composed...
Ngày tải lên: 05/09/2013, 14:58
Tài liệu VBA for the 2007 Microsoft Office System ppt
... from the information contained in this book Bulk Sales Que Publishing offers excellent discounts on this book when ordered in quantity for bulk purchases or special sales For more information, ... 109 Each Next v vi VBA for the 2007 Microsoft Office System Using Exit For or Exit Do to Exit a Loop 110 Indenting for Readability ... collection of related statements that forms a unit and performs some kind of task (A statement is an instruction that tells VBA to perform a specific task.) For the purposes in this book, VBA procedures...
Ngày tải lên: 10/12/2013, 03:15
Tài liệu Asian 2003 Software for the Next Generation Information System Tool docx
... and reuse saved information for a vehicle already tested Do one of the following: • To enter new information for a vehicle, go to step and then step • To reuse saved information for a vehicle already ... testing For details, refer to “Step 1: Enter the Vehicle Information” on page Figure 1.4: DB25 Power Cable System Smart 25-Pin Cable (3305-73) Figure 1.3: System Smart 25-Pin Cable The System ... information for a vehicle, the middle section displays the cable connections required for the vehicle (shown on the next page) • bottom section - contains function keys for: 1) entering new information...
Ngày tải lên: 12/12/2013, 21:16
Curing an air lock in a hot water pipe
... over the mixer taps The mains pressured water will now back flow up into the hot water system but then flow across to the non-mains pressured cold water system via plastic bag blocked mixer in ... exit from the hand blocked tap outlet, will instead flow across to the hot water pipe causing a backflow in the hot water system, clearing the airlock Note: If you have a similarly non-mains pressured ... create a path between the hot water supply and the non-mains pressured cold water supply Procedure: Prior to starting the tap squeezing exercise, and if you have a non -electric shower mixer tap...
Ngày tải lên: 17/12/2013, 10:45
Tài liệu Cabling Standard - TSB-155 - IEEE 802.3an for Cat 6A 10GBase-T System - Draft 4.0 pdf
... 12 13 14 15 16 17 18 19 20 21 22 23 24 FOREWORD (This foreword is not part of the Telecommunications Systems Bulletin) At the request of the Institute of Electrical and Electronics Engineers (IEEE) ... Performance Specifications for Pair 100 Ohm Augmented Category Cabling 38 39 4.1 Definitions 40 41 42 43 44 45 46 47 48 49 50 The generic definitions in this section have been formulated for ... up to the extended frequencies and for the additional parameters necessary to support 10GBASE-T This TSB does not specify any requirements for category cabling systems or components, beyond those...
Ngày tải lên: 20/12/2013, 22:15
Power converter control circuits for two mass vibratory conveying system with electromagnetic drive simulations and experimental results IEEE trans
... gravitational force ( ) From (12)–(14), the equation of motion for a mechanical subsystem becomes (3) (15) (4) The term on the right side of the (15) presents electromagnetic excitation force This force ... dynamic model of this system, the whole system is divided in two subsystems, as shown in Fig and its effect on the Including in consideration the mass , as in rest of the system by force: Fig 6(a), ... equivalent electric quantities according the table of electromechanical analogs for inverse system [18] A simulation model is generated in the program package PSPICE and a subcircuit is formed for application...
Ngày tải lên: 03/01/2014, 19:16
Research on field weakening based on reactive power with BLDC motor for electric vehicle application
... Symposium, Anaheim California 1994:615-624 [2] Masahiko Tahara, et al Performance of Electric Vehicle Proc of the 21th International Electric Vehicle symposium, Anaheim California 1994:89-96 [3] ... waveforms around 10000 rpm with field-weakening R EFERENCES [1] G.Henneberger, et al Comparison of Three Different Motor Types for Electric Vehicle Application Proc of the 12th International Electric ... Powertrain System for Nissan FEV Proc of the 11” International Electric Vehicle Symposium, Florence 1992, No.13.03 [4] Miti, G.K., and Renfrew, A.C.: ”Computation of constant current fieldweakening performance...
Ngày tải lên: 03/01/2014, 19:47