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Thermal and Fluid Mechanics Lab مختبر ميكانيكا الموائع والحراريه )(يخدم قسم الهندسه الكيماويه والميكانيك No. 1 Equipment Description Heat Conduction Instrument The bench scale instrument must be designed to demonstrate the application of the Fourier Rate equation to simple steady-state conduction in both linear and radial dimensions. It should be capable to evaluate either simple plane wall of uniform material or composite plane walls with different materials with different cross sectional area (at least for two different metallic and insulating materials should be provided) to allow the principles of heat flow by linear conduction to be investigated. Also, the use of a solid metal disk with temperature measurements at different radii and heat flow radially. The Measurement of the heat flow and temperature gradient allows the thermal conductivity of the material to be calculated. Qty 1 - Original operating manual - Provide full technical exercises and calculation procedure. - Full training programme on running the equipment and maintenance. - Manufacturer must be from either USA, UK, Europe or Japan -. 2 Free and Forced Convection Instrument The bench scale instrument must be designed to demonstrate the Free and Forced Convection phenomena using a vertical air duct. K-type thermocouples are used to generate temperature profiles and heat flux over at least three different heat transfer surfaces. The airflow must be manually adjustable and measured by an air velocity sensor. For forced convection, the centrifugal fan draws ambient air upwards and a manually variable throttle controls the airflow. 1 - Original operating manual - Provide full technical exercises and calculation procedure. - Full training programme on running the equipment and maintenance. - Manufacturer must be from either USA, UK, Europe or Japan. - 1 3 4 5 Radiation Heat Transfer Instrument Air Compressor Test Rig Heat Pump The instrument must be designed to demonstrate the laws of radiant heat transfer and radiant heat exchange. The instrument should be capable to investigate the Inverse Square Law, Stefan Boltzmann Law and Emissivity of different surfaces black and gray, and polished and non polished metal plates which are provided. -Original operating manual - Provide full technical exercises and calculation procedure. - Full training programme on running the equipment and maintenance. - Manufacturer must be from either USA, UK, Europe or Japan -. The test rig consists of a reciprocating air compressor driven by an electric motor. The compressor should be of two stage compressor with intercooler. Intake air flow rate is measured by using an air box with orifice plate and differential manometer. Pressure gauges are provided to measure pressure after 1st stage, 2nd stage and tank pressure. Temperature sensors are used to measure the air temperature at Inlet, after 1st Stage, Intercooler and 2nd stage. Compressor Speed and Power Consumption must be displayed on panel meters. In order to study compressor performance at different speeds Variable Speed Motor must be included. - Original operating manual - Provide full technical exercises and calculation procedure. - Full training programme on running the equipment and maintenance. - Manufacturer must be from either USA, UK, Europe or Japan - A fully instrumented bench top air to water heat pump operating on the mechanical vapour compression cycle. The components of the heat pump and its instrumentation are mounted on a high quality plastic panel. The heat pump consists Fully hermetic single cylinder reciprocating type compressor, an insulated coiled concentric tube water cooled condenser, a liquid receiver, a thermostatically controlled expansion valve and air heated evaporator. The components are all are visible from the front of the unit. Variable area flow meters on the refrigerant and cooling water circuits, an electrical energy meter recording power input to the compressor and a digital electronic thermometer recording all relevant temperatures must be installed. - Original operating manual - Provide full technical exercises and calculation procedure. - Full training programme on running the equipment and maintenance. - Manufacturer must be from either USA, UK, Europe or Japan - 2 1 1 1 6 7 8 9 Computer Controlled Tray Dryer solid/liquid extractor system Membrane Test Unit Double Effect Evaporators Small-scale bench top tray drier dries solids by passing a stream of hot air over trays of wet material. Computer control of temperature and air flow rate, with data logging and analysis software. Stainless steel Construction. Integrated electronic weight measurement to determine drying rate. Electronic measurement of temperature and humidity before and after the drying trays. Electronic measurement of air flow. 1 - Original operating manual - Provide full technical exercises and calculation procedure. - Full training programme on running the equipment and maintenance. - Manufacturer must be from either USA, UK, Europe or Japan Laboratory solid/liquid extractor system is required and utilizes continuous feed, counter current flow, multiple stage, and rotary extractor system variable speed. The effects of temperature, multiple stages, and throughput rate can all be investigated. Independent temperature control must be provided at each stage. Flow of all three solvent stages is variable. The conductivity of the fluid stream must be measured at the input, and at all output stages. 1 - Original operating manual - Provide full technical exercises and calculation procedure. - Full training programme on running the equipment and maintenance. - Manufacturer must be from either USA, UK, Europe or Japan This unit is designed to demonstrate the membrane separation techniques Different membrane modules, it has a membrane test module with at least 6 perforate stainless steel tube with are assembled into the headers. Suitable for side-by-side comparison studies Experimental results >Microfiltration (MF) >Ultrafiltration (UF) >Reverse osmosis (RO) and >Nanfiltration (NF) membranes. .-Manufacturer must be from either USA, UK, Europe or Japan A lab scale evaporation system is required which is capable of being configured as rising or falling film, single or double effect; forward, backward or parallel feed. Temperature controlled pre-heat stage. Adjustable re-circulation on each evaporation stage. The system contains vacuum pump, condenser and condensate vessel. The system uses an integral electrically heated pressurised hot water circulator. - Original operating manual - Provide full technical exercises and calculation procedure. - Full training programme on running the equipment and maintenance. - Manufacturer must be from either USA, UK, Europe or Japan . 3 1 1 10 11 12 13 Mass Transfer and Diffusion Coefficients Combined or separate bench lab units to demonstrate the measurement of molecular diffusivities to familiarise students with the mass transfer theory. Where gaseous diffusivity is carried out through diffusion with bulk flow such as vapour in air, using the method of measuring the rate of evaporation of a liquid through a stagnant layer into a flowing air stream. Whilst the liquid diffusivity employs diffusion cell of capillary tubes constructed to permit equimolar counter diffusion between liquids of differing concentration each side of the cell without convective effects being present. - Original operating manual - Provide full technical exercises and calculation procedure. - Full training programme on running the equipment and maintenance. - Manufacturer must be from either USA, UK, Europe or Japan Falling Film Absorption Unit Wetted was column made of glass Column filled with glass packing Water tan and feed pumps Air compressor Dissolve oxygen analysers Gas and liquid flow meters Experimental results >Calculations of liquid film transfer coefficients > Determination of the coefficients values in the power law relationship .-Manufacturer must be from either USA, UK, Europe or Japan Centrifugal Compressor Fluid Friction Measurements A small-scale multi-stage (at least 4 stages) centrifugal compressor demonstration unit, comprising of an inlet duct, the compressor, an outlet duct and an adjustable aperture, all mounted on a stainless steel base. Equipped with electronic measurement sensors for head pressure, flow-rate (via orifice plate) and air temperature. The unit is capable of conducting the following measurements: constant-speed machine performance in terms of static and total pressures, rotor speed and motor shaft power, as a function of inlet flow, compressor efficiency and estimation of impeller power efficiency, and performance at constant speeds - Original operating manual - Provide full technical exercises and calculation procedure. - Full training programme on running the equipment and maintenance. - Manufacturer must be from either USA, UK, Europe or Japan The apparatus is used to study the fluid friction head losses which occur when an incompressible fluid flows through pipes, fittings and flow metering devices such a smooth and rough pips, different binds and elbows, sudden contraction and enlargement, valves, venturi and orifice meters. - Original operating manual - Provide full technical exercises and calculation procedure. - Full training programme on running the equipment and maintenance. - Manufacturer must be from either USA, UK, Europe or Japan 4 1 1 1 1 14 Series and Parallel Pumps Demonstration Unit 15 Bernoulli’s Theorem Demonstration 16 17 Isothermal Titration Calorimetry Static and Dynamics Balancing Apparatus A small scale unit which is designed to demonstrate the operational advantages of parallel or series operation, depending on the required duty. The Unit mainly consist of a water reservoir, two pumps, control valves and interconnecting pipe work, all mounted on a stainless steel base. It should be equipped with electronic measurement sensors for pump head pressure, suction, flow- rate and water temperature. Also, an inlet valve throttling demonstrates air release. The pumps must be supplied with different easily interchangeable impellers. - Original operating manual - Provide full technical exercises and calculation procedure. - Full training programme on running the equipment and maintenance. - Manufacturer must be from either USA, UK, Europe or Japan The unit must demonstrate the verification of Bernoulli’s theorem -Demonstration of venturi as a flow measurement device. -Determination of the venturi discharge coefficient. Experimental results >A classical venturi test section made of clear flow visualization. >A Pitot static tube which can be traversed across the centerline of the venturi section >A manometer bank with tubes for measurement of the static pressure along the centerline of the test section. - Manufacturer must be from either USA, UK, Europe or Japan Temperature Range (2 to 80 °C ),Temperature Stability ±0.0002 °C @ 25 °C , Minimum detectable heat 0.1 μJ 0.05 μJ , Maximum detectable heat 5,000 μJ 3,000 μJ , Baseline Stability ±0.02 μW/hr , Noise Level 2.5 nW 1.4 nW, Response Time 13 Seconds, Cell Volume 1.0 ml . Cell Configuration( Fixed-in-place, Cylindrical ). Cell Material (24K Gold or Hastelloy ), Injection Syringe Volumes 100 μL and 250 μ - Manufacturer must be from either USA, UK, Europe or Japan The apparatus must consist of the followings: 1- Steel shaft mounted in bell bearing in a stiff frame 2- A set of not less than six blocks of different weights must be provided, and may be clamped in any position on the shaft, and also be easily detached from the shaft. 3- A disc carrying a circular protector scale to be fitted to on side of the frame. 4- Shaft carries a disc and rim is grooved to take a light cord provided with two cylindrical metal containers of exactly the same weight. 5- A scale is fitted to lower member of the main frame and when used in conjunction with the circular protector scale, allows the exact longitudinal and angular position of each adjustable block to be determined. 6- The shaft is driven by 220 volts, single phase speed controlled motor 0-1500rpm, mounted under the main frame, through a belt. 7- For static balancing of individual weights the main frame is suspended to the supported frame by chain and in this position the motor driving belt easily can be removed. 8- For dynamic balancing of rotating mass system the main frame and the supporting frame must be in the same plane. 9- Balance mass radius adjustment from 30-75mm, and balance mass of 50, 60, 75, and 100gr must be supplied. 10- Linear scale in millimeters and angular scale in degree. 5 1 1 1 1 11- Not less than 100 small bearing masses supplied along weighing hub. 12- Comprehensive instruction manual provided, 13- - Manufacturer must be from either USA, UK, Europe or Japan 18 19 Free and Forced vibration Apparatus rectilinear control system The Apparatus must consist of the followings: 1- Double profile frame made of aluminum using slot nuts and clamping lever. 2- Oscillator consists of beam mounted in ball bearing at one end, a helical spring is hung on the other end of the beam. 3- The attachment of sprigs, the exciter and a damper to perforated panel to permit a wide range of different setup to be reproduced. Either an unbalance exciter or displacement exciter generate vibration. 4- The frequency of vibration can be adjusted using electronic control unit. 5- The displacement exciter can be fitted directly to base of spring. 6- The vibration can be damped using adjustable viscosity damper to record vibration. 7- Mechanical drum plotter must be included. 8- Experiment must be include contact with TTL out-put for triggering stroboscopes. 9- The measured values can be evaluated with software for data acquisition. 10- A practice set of torsional vibration must be include. 11- Comprehensive instruction manual must be provided,. 12- - Manufacturer must be from either USA, UK, Europe or Japan The mechanism features adjustable masses, interchangeable springs and adjustable air damping. The mechanism must be suitable and supplied with the necessary accessories to carry out the following tests: - Open & Closed Loop Properties (second order systems, transient and frequency responses, rigid & flexible bodies, mode shapes & frequencies) - Two Degree of Freedom Plants - Three Degree of Freedom Plants -Rigid Body PD Control. - Rigid Body PID Control. -Pole placement design for 2 DOF Plant. - LQR Control. - Root locus design - Disturbance Rejection - Devices and tools necessary to dismantle and assemble the accessories, - Precaution/safety features: emergency shut off button to disable the control effort in case of any emergency. - Software and its required hardware parts to have live interface for the reading on the screen represented as curves showing force, deflection disturbance. Memory storage compatible to computer to store and read measured values. Moreover the possibility to get a print out of the stored results (as a table and graph) - computer with the above mentioned software and 17 inches monitor - Manufacturer must be from either USA, UK, Europe or Japan 6 1 1