Steam Flow
2009-09-23 17:42:00 Hey guys, installed a orifice plate on a steam line. Got the high and low sides ran to a E n H differential pressure transmitter, with copper tubing, to measure the flow. Question: What is the procedure to get the transmitter to read the flow? Do I just turn my hand valves and let it read th
Axial Flow Fans
2009-09-22 11:14:00 Hi, I have selected a Axial flow fan with 6000 cmh @ 75 Pa & 1350 RPM for evaporator coil. Now, pressure of evaporator coil is changed from 75 Pa to 90 Pa with same flow. Now, my motor has maximum 1350 RPM. Now, is it possible that this fan will run in stall area and will make more noise
Mass Flow Meter - Calibration and Commissioning
2009-09-21 06:11:00 how to do the mass flowmeter calibaration and comissioning in power plants?
Expansion Waves and Fluid Flow
2009-09-15 09:09:00 sir,could you tell me the conceptual effect of expansion waves compared to the shock wave on fluid flow.what is the relation between expansion wave generation and cavitation because of that. please explain theoritically...
Flow & Pressure Through Stand-By Centrifugal Pump
2009-09-11 10:07:00 Two centrifugal pump installed in parallel (1w+ 1sb) for cooling water application to boost pressure. At the inlet of pump pressure available is 3.3 bar(a) and after after boosting i.e at outlet of pump, pressure became 7.7 bar(a). My question is : what will be pressure & flow at the out let of
Flow and Pressure Through Stand-By Centrifugal Pump
2009-09-11 10:07:00 Two centrifugal pump installed in parallel (1w+ 1sb) for cooling water application to boost pressure. At the inlet of pump pressure available is 3.3 bar(a) and after after boosting i.e at outlet of pump, pressure became 7.7 bar(a). My question is : what will be pressure & flow at the out let of
flow transmitter releated question?
2009-09-06 20:43:00 Which kinds of factor keep in mind at a commissioning of any type flow transmitter?
how to calcualate the flow rate base on valve opening% for equalpercent val
2009-09-06 13:56:00 Dear all, Is there any body know how to calculate the flow rate pass through the equal percentage control valve base on valve opening%. Thank so much, Nany
Temp for mixed flow - Chilled water.
2009-09-05 11:15:00 Hi, If we have an absorption chiller say with a capacity of 100l/s chilled water flow rate & 7 deg the supply temp/outlet temp from the chiller. From this 100l/s if we take one branches of 25l/s to an electric chiller in series & drop down the temperature for this 25l/s flowrate from 7
Chilled Water Mixed Flow Temperature
2009-09-02 14:54:00 Hi, If we have an absorption chiller say with a capacity of 100l/s chilled water flow rate & 7 deg the supply temp/outlet temp from the chiller. From this 100l/s if we take one branches of 25l/s to an electric chiller in series & drop down the temperature for this 25l/s flowrate fr
PLEASE HELP SOLVE ELECTRICAL AND FLOW MECHANICAL ENGINEERING CONCERN
2009-09-02 09:09:00 Could a electrical and or maufacturing and or flow engineer specialist read the following and note My Question(BELOW) and the 2 answers(Below) and then read my furthur explanation/answer to Lynlynch (Below the answers) noting I am just trying to say I want my pool pump motor to work per manufactu
Kermheat, Jeremy Bares: videos flow
2009-08-21 00:33:00 11 videos of these guys just jamming to death, including some earlier video with Manu Livertout. Kermheat & Jérémy Barès: videos flow This is a content summary only. Visit Truth In Shredding to find out more!
Boiler Water Flow Rate
2009-08-20 22:28:00 Hi all, Can you pls help me find the water make up flow rate for a 30,000 lb/hr steam boiler that has 30% condensate return? Thanks!
Air Flow Animation
2009-08-14 11:30:00 Hello All, I have created one Control Panel consisting of Pneumatic Valves, Tubings & Electrical components. The design & prototypes are build, but now our marketing guys are asking for the Animation layout for better understanding to customer. The medium used is Air, but how to sh
Fluid Flow Problem
2009-08-11 21:30:00 This is a problem about fluid flow in ducts the fluid has viscosity and it is laminar flow. Please look at the problem and solution here: http://img156.imageshack.us/i/8-0737443.png/ They have said that the head loss equals the elevation change. But if you use Bernoulli's equa
Theoretical Measurement of Fan Flow Rates
2009-08-11 07:31:00 I would like to know how one would measure the amount of air displaced by a normal ceiling fan running at its maximum speed, supposing we know its speed, swept length, blade angles etc.
Requirement of Water Flow Meter for Boiler
2009-08-10 18:06:00 We need water flow meter to check the boiler feed water qty in the boiler. boiler capacity 10mt/hr feed water temp 90c kindly advise
Flow of nitrus oxide in bike engine..!!
2009-08-06 15:39:00 how boosters in bike really works.. how does NO2 give such a healthy thrust to a bike..? ! Does it mix wid petrol while combustion takes place or it is being directly added in exhaust line..? confused..
magnetic flow tube electrode scaling
2009-07-31 13:50:00 what can i do to avoid scaling on the electrodes of mag flow tube .
Hydrodynamics and Potential Flow
2009-07-28 19:15:00 If I want to model a cylinder in a fluid flow, I have to use a doublet and a uniform stream, but I have heard that this can also be used to model a cylinder that is not circular in a uniform stream, but what is it that makes the cylinder circular and not oval, is it only the boundary condition that
Flow Rate of CH4
2009-07-27 23:35:00 Hello, I have a gas tank of CH4 with a 0-50 psi pressure regulator. I am injecting the methane in the air intake of a diesel engine. The piping taking it to the piping is 1/4" of diameter and 2m long. The density of methane is 0.68 kg/m³. I need to send to the engine a 40 L/min flo
Darkcloud wrote a new blog post: the days of my life flow into one continuo
2009-07-27 17:12:00 Darkcloud wrote a new blog post: the days of my life flow into one continuous scream It is 12:01 PM Monday afternoon in the now flow. It is a sunny day. It is suppose to get in the 80’s today. We have had a cold summer this year. Carol and the kids are shopping. I had a doctor’s appointment at 11 o’clock AM. Now I am home from the doctor’s appointment. I ...
Maximum Flow in a Piping System
2009-07-27 15:25:00 Hello, I am having a little determining the maximum flow in a piping system I have. I have a regulator with an output of 0-50 psi and I would like to know what is the maximum flow rate I can have with 50 psi. I remember a formula I used for needle valves which was:
Flow Lines for Nitrogen and Diesel
2009-07-26 07:21:00 If I have Oil flow lines and I want to return it back to services after long time mothballed by the Nitrogen or by the Diesel is there any procedure for De-Mothballing flow line. I hope to get the procedure for both media Nitrogen and Diesel
Variation of flow-rate in reciprocating pumps
2009-07-21 13:12:00 How can i determing the variation of flow rate (that is,discharge rate), above mean and below mean in a reciprocating pump?
Need help! HVAC flow Issues
2009-07-21 05:31:00 Hi all, I have moved into a new home. The master bedroom is on the second floor and on the opposite end of the house compared to the furnace and outdoor ac unit. I get little to no airflow through the floor registers in the master. I have adjusted the various butterfly valves coming off of t
HVAC Flow Problems
2009-07-21 05:31:00 Hi all, I have moved into a new home. The master bedroom is on the second floor and on the opposite end of the house compared to the furnace and outdoor ac unit. I get little to no airflow through the floor registers in the master. I have adjusted the various butterfly valves coming
Steel pipe size for natural flow (under gravity)
2009-07-15 12:24:00 Is there any specific prosedure or standard guide line for pipe sizing for natural flow.
Sizing Pipes for Gravity Flow Systems
2009-07-15 12:24:00 Is there any specific prosedure or standard guide line for pipe sizing for natural flow.
Distribution Point-of-Use Flow Calculations
2009-07-14 18:06:00 Hello, I have a 140F water distribution loop that spans my plant with a discharge pump and buffer tank. The distribution line is 1.37" id and has a discharge pressure of 100 psi at the pump outlet as well as a static (no consumption) return pressure of 25 which is regulated with a back-
Want to know the differential pressure and flow
2009-07-14 10:35:00 Sir, I have an orifice installed in the water line .Only data given on it are d=39.94 80NB,and FT-001. the pipe line size is 4 ". I have installed the DP meter having range 0-2600mmwc. Now what will be the range of the flow in m3/hr. and if I only have the orifice data then
Low Volume variable flow Positive Displacement Pump
2009-07-14 06:12:00 I am looking for a supplier of of a reasonable cost pump that can provide the following: Positive displacement. Discharge pressure up to 150 psig Controllable flow in the milli-liters/hour range without needing to use a flow meter and recycle loop. Therefor, probably by controlling t
Formula for air flow measurement using an airfoil?
2009-06-30 14:45:00 I wish to know the formula of air flow measurement using an airfoil. The airfoil axis is vertical. The airfoil is symmetricaland static. Thank you
Air Flow Measurement Using an Airfoil
2009-06-30 14:45:00 I wish to know the formula of air flow measurement using an airfoil. The airfoil axis is vertical. The airfoil is symmetricaland static. Thank you
Nigel Tufnel: full bore, let the music flow!
2009-06-22 22:09:00 The title says it all... expect fireworks! Spinal Tap Nigel Tufnel Guitar Solo This is a content summary only. Visit Truth In Shredding to find out more!
Doublet Flow Calculations
2009-06-22 18:25:00 The stream function for a plane potential incompressible doublet flow is supposed to be psi = -(Q/2pi)*arctan((2arsin(theta)/-(r^2-a^2)) Why? Q = superficial flow rate (volume flow rate/unit length) r, theta = polar coords 2a = length of the doublet.
Internal Coatings for Flow Lines
2009-06-17 11:27:00 Please anybudy tell me the adv. and disadv. of Fusion Bonded Epoxy ChemFlake Rotolining These all coatings are used for Flow line internal safty
turbulence flow meter
2009-06-15 14:13:00 Is there any flow meter to measure the turbulent flow other than venturi meter?
jet engine air flow
2009-06-14 06:26:00 Re-post of previous question. What volume [and speed] of air would flow down a wind tunnel 10 ft high and ten wide, to feed the intake of a jet engine, for full power.
Orifice Flow Meters and Vibrations
2009-06-12 22:40:00 Can we use the orifice flow meter in vibrating equipment?
Types of Flow Meters
2009-06-12 15:02:00 Is there any mass flow meter other than coriolis mass flow meter?
Air flow volume into jet engines.
2009-06-10 06:08:00 air flow volume into jet engines? Is there a standard measure? Is there a comparative volume for air forced by a propellor?
gas flow rate.
2009-06-06 21:53:00 if burner supply pressure is 8 psi, and inlet pressure at burner is 200 mmAq. what would be the flow rate ?
Orifice Flow Element Carrier - Pairs of Pressure Traps
2009-06-05 10:34:00 Hi, We have an orifice flow element carrier with double pair of pressure taps(symetrically hooked up, + & - 45° from the bottom of the pipe) in order to install two dp transmitters. During operation one of the transmitters is always reading less than the correct reading) Any
Flow Valve
2009-06-04 10:21:00 Normally control valve with I/P have, One Digital input(DI) from the Switch and one Digital output(DO) going to Solinoid and one Analog output(AO) which is going to I/P converter to operate the valve. But In my case Control valve with I/P have only Analog output. Swithes are not compulsary for
flow control of water supply
2009-06-03 09:01:00 I would be interested in new technologies regarding saving water cost by flow control of water supply and new leakage detectors. thanks
Diaphragm or piston actuator flow control valve
2009-05-28 01:47:00 Could any body please help me to find out the right Flow control valve for road trucks offloading bay. The product is kerosene, line pressure is 60 psi, flow rate is 1700 LPM. Depending on the cleanliness of the truck tank, the product might be contaminated with small dirt. What is most suitable el
Wanted: Simple Clamp-on Flow Sensor
2009-05-26 19:12:00 Does anybody know of a simple Flow sensor that I can clamp on to a domestic water pipe and detect if a tap is turned on. I've seen you can get ultrasonic sensors but they seem to be over the top for what I require. I need a simple on/off sensor I don't need to know flowrates or pressures etc.
Axial Flow Fans and Altitude
2009-05-26 15:20:00 Hi.. I am selecting an axial flow fan. My system requirement is 6700 cmh at 75 pa, at 0 ft altitude. Now, altitude is changed from 0 ft to 10,000 ft. Is there any impact on flow as altitude increases? if yes, please suggest at what parameters I shall design a fan at 0 ft so that it can deliv |
|
 |
|
 |
