Micro blower design
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An introduction of micro blower design. It shows basic components and principle of work. Final slide includes an micro blower characteristics.
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Problema 5
This document analyzes the power required to pump 565 L/s of water through a 91m long pipe with an internal diameter of 200mm.
Given the flow rate, pipe dimensions, and fluid properties, the head loss due to friction and fittings is calculated to be 155.5m.
Using this head loss along with the flow rate and fluid properties in an energy balance equation, the required pumping power is calculated to be approximately 717 kW.
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Problema 4
- Water is flowing from tank A to tank B through a pipe system as shown in the figure. The vertical distance between the surfaces of the two tanks is 10 m.
- The pipe diameters are 90.9 mm and 165.2 mm. Total pipe lengths are 55 m and 30 m respectively.
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Ejercicio 1. Ecuación Darcy W.
This document summarizes a problem involving the analysis of a centrifugal pump system. The pump impels 300 L/min of water at 20°C through 500m of piping with elbows. The following key values are given: pump speed of 1490 rpm, total head of 56.79 m, total efficiency of 75%, and outlet pressure of 5.5 bar. The problem involves calculating: (1) the power imparted to the water, (2) the drive power required by the pump, (3) the drive torque, and (4) the pressure at a point 24m after the piping. A series of fluid mechanics equations are used, including Bernoulli's equation and equations for friction loss, to
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This document analyzes the power required to pump 565 L/s of water through a 91m long pipe with an internal diameter of 200mm.
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Problema 4
- Water is flowing from tank A to tank B through a pipe system as shown in the figure. The vertical distance between the surfaces of the two tanks is 10 m.
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This document summarizes a problem involving the analysis of a centrifugal pump system. The pump impels 300 L/min of water at 20°C through 500m of piping with elbows. The following key values are given: pump speed of 1490 rpm, total head of 56.79 m, total efficiency of 75%, and outlet pressure of 5.5 bar. The problem involves calculating: (1) the power imparted to the water, (2) the drive power required by the pump, (3) the drive torque, and (4) the pressure at a point 24m after the piping. A series of fluid mechanics equations are used, including Bernoulli's equation and equations for friction loss, to
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1) The document presents a fluid mechanics problem involving the calculation of the volumetric flow rate of kerosene flowing through a pipe system.
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2. It explains how volutes and diffusers function to convert velocity energy to pressure energy and reduce turbulence respectively.
3. It presents the basic theory behind how centrifugal pumps work through centrifugal action that increases pressure by converting radial velocity into pressure head.
4. It discusses factors that affect pump performance like impeller design, viscosity, cavitation, and operating conditions. Trimming relations are also presented to modify pump performance.
CENTRIFUGAL PUMPS.pdf
This document provides information about centrifugal pumps, including:
1. It defines a centrifugal pump and describes its main components like the impeller, volute casing, and diffuser.
2. It explains how volutes and diffusers function to convert velocity energy to pressure energy and reduce turbulence respectively.
3. It discusses the basic theory and operation of centrifugal pumps, including velocity triangles, impeller head development, and the effects of varying parameters like flow, speed, and impeller diameter.
4. It covers topics like cavitation, viscosity effects, pump performance curves, operating conditions, efficiency, and the use of similarity principles to predict pump performance.
CENTRIFUGAL PUMPS.pdf
This document provides information about centrifugal pumps, including:
1. It defines a centrifugal pump and describes its main components like the impeller, volute casing, and diffuser.
2. It explains how volutes and diffusers function to convert velocity energy to pressure energy and reduce turbulence respectively.
3. It discusses the basic theory and operation of centrifugal pumps, including velocity triangles, impeller head development, and the effects of varying parameters like flow, speed, and impeller diameter.
4. It covers topics like cavitation, viscosity effects, pump performance curves, operating conditions, efficiency, and the use of similarity laws to predict pump performance at different sizes and speeds.
Chap 03
This document contains equations related to air flow generated by fans and nozzles. It includes equations for:
1) The theoretical pressure difference generated by a fan based on changes in absolute and relative velocity.
2) How flow rate, pressure, power, and efficiency of a fan vary with changes in rotational velocity and diameter.
3) How air flow rate through a critical nozzle depends on pressure, temperature, and nozzle characteristics.
4) How the temperature of air increases as it passes through a fan, motor/belt system, and duct due to conversion of pressure and kinetic energy to heat.
Flywheel.pptx
The document discusses flywheels and their use in engines. It provides information on:
- How flywheels store energy from the power stroke of engines and release it to maintain uniform rotation during other strokes when no energy is produced.
- Flywheels do not maintain a constant speed but reduce fluctuations by absorbing and releasing energy as the engine's torque varies each cycle.
- The coefficient of fluctuation of speed and energy are defined to quantify the speed and energy variations a flywheel controls.
- Equations are provided to calculate the mass of flywheel needed based on the engine's output, mean speed, and required limits of speed and energy fluctuations.
Mechanical Ventilation
Mechanical ventilation is the process of changing indoor air by withdrawing contaminated air and replacing it with fresh air from outside. There are three main methods for designing ventilation systems: equal velocity, velocity reduction, and equal friction. The equal velocity method selects the same air velocity throughout the system, velocity reduction uses variable velocities, and equal friction selects the same frictional resistance for all sections. Key components of mechanical ventilation systems include fans, filters, ductwork, diffusers, and fire dampers.
Axial fan design
The document summarizes the design of an axial fan with a mass flow rate of 1 kg/s and pressure change of 3000Pa. It describes the steps taken, which included mean line analysis, calculation of losses, and CAD design. Iterative calculations were done in MATLAB to determine design parameters like velocities and flow angles. The analysis found the slip factor to be 0.78, leading to an efficiency reduction, while leakage losses were negligible. Dimensions and a 3D model of the designed fan are also presented.
Chapter_9.ppt
1. Transducers convert process variables like temperature, pressure, and flow rate into electrical signals for controllers. Common transducer configurations include a sensing element combined with a transmitter.
2. Early process instrumentation used pneumatic signals, but electronic instrumentation is now widespread. Transmitters typically convert sensor outputs to standard signals like 4-20 mA that are compatible with controllers.
3. Final control elements like control valves manipulate process variables by adjusting material and energy flows. Control valves are widely used to control fluid flows.
CONTROL VALVE SIZING AND SELECTION FOR ANY APPLICATION.ppt
CONTROL VALVE BASICS.INCLUDING SIZIND, DETAILING AND SELECTION OF MATERIAL.THIS IS APPLICABLE FOR ALL APPLICATIONS LIKE UTILITY, POWER, WATER AND REFINERY. FROM THE PRESENTATION THE DESIGN ENGINEER CAN DECIDE THE TYPE OF CONTROL VALVE AND ITS CHARACTER TO BE SELECTED FOR THE GIVEN APPLICATION.
B_B1_G3_CP_HMAFP.pptx
The document summarizes the design and analysis of a centrifugal pump for pumping water over a 15 story building. It includes classifications of pumps, descriptions of centrifugal pump components and working, design calculations to size the pump impeller and determine flow rate, selection of an appropriate motor, and summaries of CFD results and common failure modes in centrifugal pumps. The group designed the pump to fill an 81,000 liter tank within 10 minutes to supply a typical 15 story building.
Be app guide_energyrecoverywheel_ahu
This document provides an overview of energy recovery wheels, which are devices that transfer energy between exhaust and supply air streams in HVAC systems. It discusses the principles of sensible and total heat transfer using energy recovery wheels and how they can improve energy efficiency. The document also covers factors like effectiveness, airflow balancing, air transfer between streams, frost control methods, and limitations of using energy recovery wheels with hazardous exhaust air.
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Accident detection system project report.pdf
The Rapid growth of technology and infrastructure has made our lives easier. The
advent of technology has also increased the traffic hazards and the road accidents take place
frequently which causes huge loss of life and property because of the poor emergency facilities.
Many lives could have been saved if emergency service could get accident information and
reach in time. Our project will provide an optimum solution to this draw back. A piezo electric
sensor can be used as a crash or rollover detector of the vehicle during and after a crash. With
signals from a piezo electric sensor, a severe accident can be recognized. According to this
project when a vehicle meets with an accident immediately piezo electric sensor will detect the
signal or if a car rolls over. Then with the help of GSM module and GPS module, the location
will be sent to the emergency contact. Then after conforming the location necessary action will
be taken. If the person meets with a small accident or if there is no serious threat to anyone’s
life, then the alert message can be terminated by the driver by a switch provided in order to
avoid wasting the valuable time of the medical rescue team.
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Sachpazis_Consolidation Settlement Calculation Program-The Python Code and th...
Consolidation Settlement Calculation Program-The Python Code
By Professor Dr. Costas Sachpazis, Civil Engineer & Geologist
This program calculates the consolidation settlement for a foundation based on soil layer properties and foundation data. It allows users to input multiple soil layers and foundation characteristics to determine the total settlement.
一比一原版(爱大毕业证书)爱荷华大学毕业证如何办理
原版一模一样【微信：741003700 】【(爱大毕业证书)爱荷华大学毕业证成绩单】【微信：741003700 】学位证，留信认证（真实可查，永久存档）原件一模一样纸张工艺/offer、雅思、外壳等材料/诚信可靠,可直接看成品样本，帮您解决无法毕业带来的各种难题！外壳，原版制作，诚信可靠，可直接看成品样本。行业标杆！精益求精，诚心合作，真诚制作！多年品质 ,按需精细制作，24小时接单,全套进口原装设备。十五年致力于帮助留学生解决难题，包您满意。
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四.办理各国各大学文凭(一对一专业服务,可全程监控跟踪进度)
如果您处于以下几种情况：
◇在校期间，因各种原因未能顺利毕业……拿不到官方毕业证【q/微741003700】
◇面对父母的压力，希望尽快拿到；
◇不清楚认证流程以及材料该如何准备；
◇回国时间很长，忘记办理；
◇回国马上就要找工作，办给用人单位看；
◇企事业单位必须要求办理的
◇需要报考公务员、购买免税车、落转户口
◇申请留学生创业基金
留信网认证的作用:
1:该专业认证可证明留学生真实身份
2:同时对留学生所学专业登记给予评定
3:国家专业人才认证中心颁发入库证书
4:这个认证书并且可以归档倒地方
5:凡事获得留信网入网的信息将会逐步更新到个人身份内，将在公安局网内查询个人身份证信息后，同步读取人才网入库信息
6:个人职称评审加20分
7:个人信誉贷款加10分
8:在国家人才网主办的国家网络招聘大会中纳入资料，供国家高端企业选择人才
办理(爱大毕业证书)爱荷华大学毕业证【微信：741003700 】外观非常简单，由纸质材料制成，上面印有校徽、校名、毕业生姓名、专业等信息。
办理(爱大毕业证书)爱荷华大学毕业证【微信：741003700 】格式相对统一，各专业都有相应的模板。通常包括以下部分：
校徽：象征着学校的荣誉和传承。
校名:学校英文全称
授予学位：本部分将注明获得的具体学位名称。
毕业生姓名：这是最重要的信息之一，标志着该证书是由特定人员获得的。
颁发日期：这是毕业正式生效的时间，也代表着毕业生学业的结束。
其他信息：根据不同的专业和学位，可能会有一些特定的信息或章节。
办理(爱大毕业证书)爱荷华大学毕业证【微信：741003700 】价值很高，需要妥善保管。一般来说，应放置在安全、干燥、防潮的地方，避免长时间暴露在阳光下。如需使用，最好使用复印件而不是原件，以免丢失。
综上所述，办理(爱大毕业证书)爱荷华大学毕业证【微信：741003700 】是证明身份和学历的高价值文件。外观简单庄重，格式统一，包括重要的个人信息和发布日期。对持有人来说，妥善保管是非常重要的。
一比一原版(USF毕业证)旧金山大学毕业证如何办理
原件一模一样【微信：95270640】【旧金山大学毕业证USF学位证成绩单】【微信：95270640】（留信学历认证永久存档查询）采用学校原版纸张、特殊工艺完全按照原版一比一制作（包括：隐形水印，阴影底纹，钢印LOGO烫金烫银，LOGO烫金烫银复合重叠，文字图案浮雕，激光镭射，紫外荧光，温感，复印防伪）行业标杆！精益求精，诚心合作，真诚制作！多年品质 ,按需精细制作，24小时接单,全套进口原装设备，十五年致力于帮助留学生解决难题，业务范围有加拿大、英国、澳洲、韩国、美国、新加坡，新西兰等学历材料，包您满意。
【业务选择办理准则】
一、工作未确定，回国需先给父母、亲戚朋友看下文凭的情况，办理一份就读学校的毕业证【微信：95270640】文凭即可
二、回国进私企、外企、自己做生意的情况，这些单位是不查询毕业证真伪的，而且国内没有渠道去查询国外文凭的真假，也不需要提供真实教育部认证。鉴于此，办理一份毕业证【微信：95270640】即可
三、进国企，银行，事业单位，考公务员等等，这些单位是必需要提供真实教育部认证的，办理教育部认证所需资料众多且烦琐，所有材料您都必须提供原件，我们凭借丰富的经验，快捷的绿色通道帮您快速整合材料，让您少走弯路。
留信网认证的作用:
1:该专业认证可证明留学生真实身份【微信：95270640】
2:同时对留学生所学专业登记给予评定
3:国家专业人才认证中心颁发入库证书
4:这个认证书并且可以归档倒地方
5:凡事获得留信网入网的信息将会逐步更新到个人身份内，将在公安局网内查询个人身份证信息后，同步读取人才网入库信息
6:个人职称评审加20分
7:个人信誉贷款加10分
8:在国家人才网主办的国家网络招聘大会中纳入资料，供国家高端企业选择人才
→ 【关于价格问题（保证一手价格）
我们所定的价格是非常合理的，而且我们现在做得单子大多数都是代理和回头客户介绍的所以一般现在有新的单子 我给客户的都是第一手的代理价格，因为我想坦诚对待大家 不想跟大家在价格方面浪费时间
对于老客户或者被老客户介绍过来的朋友，我们都会适当给一些优惠。
选择实体注册公司办理，更放心，更安全！我们的承诺：可来公司面谈，可签订合同，会陪同客户一起到教育部认证窗口递交认证材料，客户在教育部官方认证查询网站查询到认证通过结果后付款，不成功不收费！
办理旧金山大学毕业证毕业证学位证USF学位证【微信：95270640 】外观非常精致，由特殊纸质材料制成，上面印有校徽、校名、毕业生姓名、专业等信息。
办理旧金山大学毕业证USF学位证毕业证学位证【微信：95270640 】格式相对统一，各专业都有相应的模板。通常包括以下部分：
校徽：象征着学校的荣誉和传承。
校名:学校英文全称
授予学位：本部分将注明获得的具体学位名称。
毕业生姓名：这是最重要的信息之一，标志着该证书是由特定人员获得的。
颁发日期：这是毕业正式生效的时间，也代表着毕业生学业的结束。
其他信息：根据不同的专业和学位，可能会有一些特定的信息或章节。
办理旧金山大学毕业证毕业证学位证USF学位证【微信：95270640 】价值很高，需要妥善保管。一般来说，应放置在安全、干燥、防潮的地方，避免长时间暴露在阳光下。如需使用，最好使用复印件而不是原件，以免丢失。
综上所述，办理旧金山大学毕业证毕业证学位证USF学位证【微信：95270640 】是证明身份和学历的高价值文件。外观简单庄重，格式统一，包括重要的个人信息和发布日期。对持有人来说，妥善保管是非常重要的。
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Effectiveness of Talent Acquisition through E-
Recruitment in this topic we will discuss about 4important
and interlinked topics which are
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Fluke Solar Application Specialist Will White is presenting on this engaging topic:
Will has worked in the renewable energy industry since 2005, first as an installer for a small east coast solar integrator before adding sales, design, and project management to his skillset. In 2022, Will joined Fluke as a solar application specialist, where he supports their renewable energy testing equipment like IV-curve tracers, electrical meters, and thermal imaging cameras. Experienced in wind power, solar thermal, energy storage, and all scales of PV, Will has primarily focused on residential and small commercial systems. He is passionate about implementing high-quality, code-compliant installation techniques.
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Open Channel Flow: This topic focuses on fluid flow with a free surface, such as in rivers, canals, and drainage ditches. Key concepts include the classification of flow types (steady vs. unsteady, uniform vs. non-uniform), hydraulic radius, flow resistance, Manning's equation, critical flow conditions, and energy and momentum principles. It also covers flow measurement techniques, gradually varied flow analysis, and the design of open channels. Understanding these principles is vital for effective water resource management and engineering applications.
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Micro blower design
- 4. Euler equation & Velocity triangels This equation can be derived from the expression of the momentum change. In control sections of streamlines flows elementary amount of air dm, for which must apply continuity equation: dm1 = dm2 = dm = dQ where dQ ( m3 /s ) the elementary volume flow. Change on momentum of elementary mass flow: dm c2u r2 – dm c1u r1 = dM where dM is elementary torque. For incompressible fluids we can express the total fan perfotmance formula: where pcv is total blower pressure. Finaly we get total pressure of blower wheel with an infinite number of blades QpP cv )( 1122 uu cucup Circumferential velocity vectors u1 and u2. Relative speed of movement vectors w1 and w2. Absolute air velocity vectors c1 and c2.
- 7. ahsp bsp e asp R1 R2 R3 R4 4 a e sp Spiral Casing Design
- 10. Micro-Blower Characteristics 0 20 40 60 80 100 120 140 160 0 0.00002 0.00004 0.00006 0.00008 0.0001 0.00012 0.00014 0.00016 0.00018 0.0002 dp(Pa) Q(m3/s)