Describe the differential equation: degree, order, linear or nonlinear, homogeneous or nonhomogeneous, ordinary or partial differential equation. d²x dx + B(x) + C = D(t) dt a dt²
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A: the process variable which varied with respect to time is called dynamics
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Q: The differential equations of the system is
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- Step 2 of the solution is incorrect for the answer.calculations does not add upThe outlet temperature will be: →T2=m˙1×T1+m˙3×T3m˙1+m˙3 =10×372.78+5×120010+5 =3727.8+600015=648.52 K ..................answerSelect the letter of the correct statement. Write the answer with calculations, drawing, rules or explanation 2-) A scientist suggests the following correlation be used for square tubes in a liquid cross-flow situation (Nu = 0.102 Re0.675 Ppl/3). Water (k = 0.61 W/m.K, Pr= 6) flows across a 1-cmsquare tube with a Reynolds number of 10,000. The convection heat transfer coefficient is:(A-) 5.7 kW/m?.K(B-) 8.3 kW/m?.K(C- ) 11.2 kW/m?.K(D-) 18.1 kW/m?.K.Newton's law of cooling states that dT/dt = k(T−t0), where T(t) is the temperature of the body that is cooling, T0 is the temperature of the surrounding medium and k is constant. Solve the differential equation.
- Describe comprehensively in essay form the role and significance of Partial Differential Equation (PDE) in CFD in engineering modeling and design. Please answer my question. Please. I'm begging you :((Liquid biofuel (density= 789 kg/m3) is being pumped from a storage tank through a pipe with 1-inch innerdiameter (ID). The fuel is being pumped at a rate of 3.00 gallons per minute. In this process, what is thekinetic energy transport rate (Ėk) in units of horsepower (hp) and ft•lbf/sec.QUESTION-) 236 °C steam flows in a pipe which features are given below. Inner and outer diameters of pipe are 300 mm and 320 mm. Coefficient of heat transmission is 40 W/mK. It's external ambient is air and it's temperature is 20 °C. Take the temperature of the pipe's external surface 180 °C. It is known that the internal temp convection coefficient is 600 W/m^2K and external heat transfer coefficient is 5,9109 W/m^2K The pipe's length is 500 meter. You need to add the radiation in the calculation. The rate of the radiation emissivity is 0.85. You can take the environmental surface temp directly. Please calculate the heat loss of pipe.
- QUESTION-) 236 °C steam flows in a pipe which features are given below. Inner and outer diameters of pipe are 300 mm and 320 mm. Coefficient of heat transmission is 40 W/mK. It's external ambient is air and it's temperature is 20 °C. Take the temperature of the pipe's external surface 180 °C. It is known that the internal temp convection coefficient is 600 W/m^2K and external heat transfer coefficient is 5,9109 W/m^2K The pipe's length is 500 meter. You need to add the radiation in the calculation. The rate of the radiation emissivity is 0.85. You can take the environmental surface temp directly. a-) Please draw this question on the resistance network. b-) Please calculate the heat loss of pipe. c-) By applying insulation to this pipe, it is desired to reduce the heat loss to 20% of the uninsulated loss (option a). Calculate the insulation thickness accordingly. Take glass wool as insulation material.(Conductivity of glass wool = 0.040 W/mK.) Given, The temperature of steam inside the…i post this question 4 times till now plzzz answer that question approve that the equations are equal by the integrationThe same engineer decides to look into rates of cooling for liquids toexperiment with different cooling solutions for servers. She finds thatthe rate of cooling for one liquid can be modelled by the equation:y = 48 × 0.99t(0 ≤ t ≤ 80)where y is the temperature of the liquid in degrees Celsius and t is thetime in minutes.(i) State whether the type of reduction for this model is linear orexponential. Describe how reduction rate differs between linear andexponential functions. (ii) Calculate the temperature when t = 20. [3](iii) Write down the scale factor and use this to find the percentagedecrease in the temperature per minute. (iv) Use the method shown in Subsection 5.2 of Unit 13 to find the timeat which the temperature is 30◦(v) Determine the halving time of the temperature.
- A cylindrical tank contains three liquids of specific gravities: 0.80, 1.00, and 1.50. Each liquid has a thickness of 0.60m and the tank is 1.20m in diameter. If a circular orifice 100mm in diameter is placed at the bottom of the tank to drain the fluid contents with the coefficient of discharge C = 0.650, then:Determine the time to drain all the fluids completely. Group of answer choices 78 seconds 60 seconds 134 seconds 148 secondsThis question is from the subject " Partial differential equation"Choose the false statement? A) Mean temperature changes linearly in constant heat flux internal convection problems B) After some inlet length, the temperature difference between mean temperature and surface temperature gets constant value in constant heat flux internal convection problems C) At inlet of the internal forced convection, convective heat transfer coefficient tends to infinity D) Entry length for a turbulent flow of 0.5 diameter pipeline is 5 m E) None of the above F) All of the above