48 results about "Thermodynamic temperature" patented technology

A fluid heat exchange system with a fluid flow circuit having a heat exchange fluid flow loop, a heat absorption component (as in a domestic hot water tank inclusive of small commercial use tanks as in tanks of 20 to 120 gallons), a heat exchanger and preferably also a pump. A controlled and automated fuel supply source based heater (as in a pellet stove) is in heat passage communication with the said heat exchanger. A control unit triggers activation of the pump upon fluid in the heat absorption component reaching or dropping below a preset temperature, and the fluid flow circuit is arranged such that, during times of non-activation of the pump, fluid is free to flow in a unidirectional flow within the fluid circuit based on thermodynamic temperature differentials alone. A retrofitting of a domestic hot water tank is also featured preferably making use of preexisting drain and safety vent porting for in-feed and out-feed porting in the exchange loop side. Also, the flow circuit preferably is free of check valves and steam accommodation equipment.

The invention relates to a method for calibrating the relative spectral response characteristic of a CCD imaging device. The method comprises the following steps: A. taking a light source with known spectral radiation distribution as a measurement object, utilizing the CCD imaging device to be calibrated for the imaging of the measurement object, and acquiring and analyzing the image to obtain a measured value; B. changing the spectral radiation flux entering the CCD imaging device through adjusting the thermodynamic temperature of the light source and / or adopting a color filter; C. constructing an equation set of mathematical physics for describing the corresponding relation between the measured value and the relative spectral response characteristic according to the known equation of mathematical physics of radiative transfer of the CCD imaging device; D. taking the measured value of the CCD imaging device under different spectral radiation flux as known quantity and solving the equation of mathematical physics, so as to calibrate the relative spectral response characteristic of the CCD imaging device. The invention further discloses a system for calibrating the relative spectral response characteristic of the CCD imaging device. The method is simple and efficient, and can avoid the introduction of instrument measurement transfer errors.

In the direct isobutene aminating process, isobutylene and ammonia are directly reacted to prepare tert-butyl amine in the presence of catalyst the reaction temperature of 150-280 deg.c, normal temperature or reaction pressure of 0.05-0.5 MPa, isobutylene and ammonia feeding molar ratio of 0.5-2 and isobutylene space velocity of 260-409 / hr(-1). The catalyst has aluminosilicate molecular sieve as mother body with Si / Al ratio of 30-300, specific surface area of 100-800 sq m / g and pore volume of 0.1-0.4 mg / g, and the molecular sieve is first denatured into H-molecular sieve and then denatured with one or more denaturing elements Ce, La and Ga in the weight content of 1-10 wt%. The present invention adopts catalyst with relatively low cost, and the direct aminating is in relatively low temperature or the favorable thermodynamic temperature range.

The present invention discloses a high-temperature accelerated storage test method for a zinc-silver battery, comprising: a step 101 of dividing N zinc-silver batteries into four groups according to high-temperature accelerated storage temperatures and respectively putting the four groups of zinc-silver batteries into constant temperature ovens at the temperatures of 40 DEG C, 50 DEG C, 60DEG C, and 70 DEG C; taking out the zinc-silver batteries for performing discharge at intervals of time T, and drawing a diagram about an average discharge capacity of the zinc-silver batteries changing over time at different storage temperatures; calculating an attenuation rate of the average discharge capacity of the zinc-silver batteries at different storage temperatures; a step 102 of taking the attenuation rate of the average discharge capacity of the zinc-silver batteries at different storage temperatures as a life characteristic K to fit a linear function about logarithm of the life characteristic K relative to reciprocal of thermodynamic temperature; a step 103 of calculating an accelerated factor of different storage temperatures of the zinc-silver batteries relative to a normal temperature; and a step 104 of calculating high-temperature accelerated storage time corresponding to normal-temperature storage time, and simulating the state of the zinc-silver battery after normal-temperature long-time storage through high-temperature short-time storage of the zinc-silver battery.

The invention relates to a thermodynamic temperature measurement method in a nuclear radiation environment. The thermodynamic temperature measurement method is characterized by comprising the steps of providing a graphite tube having a predetermined length; filling the graphite tube with helium; inserting the graphite tube vertically from the top of a reactor to the bottom of the reactor; and providing an acoustic signal for the graphite tube, calculating the average acoustic velocity of the helium in the graphite tube, and obtaining the corresponding thermodynamic temperature based on the relationship between the average acoustic velocity and temperature of the helium. The invention achieves the application of the acoustic resonance thermodynamic temperature measurement to the temperature measurement in the nuclear radiation environment, and reduces the complexity of the absolute temperature method temperature measurement technology and the difficulty in operation for practical requirements. According to the invention, the acoustic resonance thermodynamic temperature measurement method in the nuclear radiation environment is applicable to nuclear radiation environment thermodynamic temperature measurement and also to systems that require no harsh environmental influence and a stable operation status.

This invention relates to one liquid phase micro part temperature method, which is characterized by adopting light tamper or micro needle to transfer polyphenylacetylene or earth silicon emulsion or powder to test probe head into micro test area to discharge test probe by use of image.

The invention discloses a directional solidification casting method of a continuous cold crucible. According to the directional solidification casting method, a water-cooled copper crucible in a directional solidification device of an electromagnetic cold crucible is arranged in a closed furnace body, wherein an electromagnetic induction coil is arranged outside the water-cooled copper crucible; the lower end of a bar extends into the water-cooled copper crucible; a crystallizer filled with a coolant material is arranged under the water-cooled copper crucible; a pull-down rod is arranged in the crystallizer; a formwork is fixed at the upper end of the pull-down rod; a circular graphite heating element, having a height of 55-65mm, an outer diameter of 55-65mm and an inner diameter of 40-50mm, is arranged outside the formwork; a thermal insulation layer is covered outside the graphite heating element; an induction coil is arranged outside the thermal insulation layer; and a graphite induction heating steady-state temperature is determined by the formula (refer to the Specification), wherein I represents an input current, r represents the radius of a coil, epsilon is 0.9, and a is an empirical parameter 2816681. According to the directional solidification casting method of a continuous cold crucible, the relation between the output current and the thermodynamic temperature of the graphite is provided, and the basis for conveniently controlling the process parameters in actual use is provided.

The invention discloses a method for measuring a temperature in a vacuum environment based on a wavelength modulation spectrum technology, and belongs to the technical field of tunable laser diode absorption spectroscopy. According to the method, a laser is modulated by utilizing a high-frequency sine wave, a low-frequency triangular wave and a low-frequency square wave based on the wavelength modulation spectrum technology, so that selected two temperature measurement spectral lines appear at a high level position and a low level position respectively; spectral line scanning is realized by the triangular wave; the second harmonic signal ratio of the two spectral lines is obtained by experimental measurement; the rotational temperature of gas molecules is determined by comparing the second harmonic signal ratio with a theoretical calculating value; and the rotational temperature and a translational temperature (the classical thermodynamic temperature) are kept balance all the time, so that the temperature of gas can be measured. By the method, the problems of surface material analysis and temperature traceability of a current contact temperature sensor applied in the vacuum environment are solved.

This invention relates to one method to test earth anode ion even combination free energy and absorptive free energy, which comprises the following steps: a, processing the anode saturation earth adhesive particles with radium less than 2 mu m and then using ion remove water or stilled water to match earth hanging liquid; b, putting the earth hanging liquid into field less than 15kV.cm<-1> to gradually form field intensity to test each conductivity rate to get the relation ship curve between earth hanging liquid and field intensity; c, according to math formula to compute particles anode ion even combination free energy and absorptive free energy, wherein, Delta G=RTln(2CEC.Cp.lambada / EC0) (4); Delta G=RTln(EC / EC0) with R for gas constant; T for thermal temperature and CEC for anode ion exchange volume and Cp for particle concentration.

The invention discloses a composite metal material, a preparation method thereof and a metal material product. The composite metal material comprises a first alloy layer, a second alloy layer and a third alloy layer which is made from 4A60 aluminum alloy and located between the first alloy layer and the second alloy layer. The preparation method of the composite metal material comprises the following steps that step one, one face of the first alloy layer and one face of the third alloy layer are subjected to hot rolling bonding; step two, the other face of the third alloy layer and one face of the second alloy layer are subjected to hot rolling bonding at 200-400 DEG C; and step three, a finished product obtained through hot rolling bonding is annealed to obtain the composite metal material. According to the composite metal material, the preparation method thereof and the metal material product, by adoption of the 4A60 aluminum alloy of the third alloy layer, the thermodynamic temperature generated from the middle brittle phase of aluminum and iron is increased, and therefore, by adoption of the preparation method of the composite metal composite, on the premise that the product percent of pass is ensured, the temperature in the deep drawing process of the aluminum and the 430 stainless iron is increased, and the machining efficiency of the product is improved.

The invention discloses a hybrid iteration method for gas energy inversion thermodynamic temperature. The method is mainly used for a sub-iterative inversion calculation process of gas modal energy (translational energy, rotational energy, vibration energy, electron energy and combination of the translational energy, the rotational energy, the vibration energy and the electron energy) to corresponding gas thermodynamic temperature in a hypersonic non-equilibrium flow numerical simulation process. According to the method, on the basis of a Newton iteration method, gas energy inversion characteristics are combined, a local dichotomy is introduced to correct a calculation criterion, and the Newton iteration method and the dichotomy are combined to form a hybrid iterative calculation method. According to the method, the advantage that convergence is fast when an iteration initial value approaches a true value of a Newton iteration method is reserved, the calculation efficiency is high, theadvantage that a dichotomy has high stability for a monotonic function is absorbed, and the divergence problem of the Newton iteration method under extreme conditions is avoided.

The invention discloses a method for evaluating lightning protection effective size coefficients of a horizontal grounding body at different temperatures, and the method comprises the steps of building a horizontal grounding body lightning protection effective size coefficient temperature control test device according to the evaluation method; according to the evaluation step, setting the test thermodynamic temperature through a test upper computer, and performing temperature adjustment on homogeneous soil around the horizontal grounding body through a temperature control test device; injecting transient voltage into the horizontal grounding body through a transient voltage generation device, and measuring wave head time of the injected transient voltage; and calculating and evaluating thelightning protection effective size coefficient of the horizontal grounding body according to the wave head time of the injected transient voltage and the test thermodynamic temperature. According tothe invention, the diffusion process of the transient current along the horizontal grounding body at different soil temperatures can be effectively simulated, the test precision is improved through real-time temperature control, and the lightning protection effective size coefficient of the horizontal grounding body can be accurately and effectively evaluated.

The invention relates to a wide-temperature-range high-precision temperature calibration device which comprises a thermal switch gold barrel, a pressure cabin and a refrigerating machine. The pressurecabin is positioned inside the thermal switch gold barrel; cold flow can be provided by the refrigerating machine, so that the internal temperature of the pressure cabin can be reduced to reach target temperatures. The wide-temperature-range high-precision temperature calibration device is characterized in that a resonant cavity is arranged in the pressure cabin, a plurality of protruded hollow cylindrical bosses are arranged on the side surfaces of the resonant cavity, and thermometers are arranged on the surfaces of the protruded hollow cylindrical bosses. The wide-temperature-range high-precision temperature calibration device has the advantages that the thermodynamic temperatures of very low temperature zones at the temperatures of 5K-25K in wide temperature ranges of 5K-300K can be measured by the aid of advanced constant-pressure gas refractive index temperature measuring methods in a high-precision manner, and accordingly reference-level thermometers and standard-level thermometers can be calibrated by the aid of the wide-temperature-range high-precision temperature calibration device.

The invention discloses a method for improving electric conductivity of a carbon nano tube network, which comprises the following steps of: (1) uniformly distributing carbon nano tubes on the surface of a substrate to form a sample; (2) placing the distributed carbon nano tube sample in a target chamber of an ion beam irradiation device, and heating the sample; (3) after the carbon nano tube sample is heated to a thermodynamic temperature of between 700 and 1,000 DEG C, irradiating the sample by using ion beams; and (4) after the irradiation is finished, stopping heating, and cooling the sample to room temperature, and taking the sample out of the target chamber. Compared with the prior art, the method can effectively improve the electric conductivity of the carbon nano tube network under the condition of avoiding chemical pollution, can be compatible with the conventional semiconductor process, and can be used for promoting the performance of carbon nano tube related devices and used for manufacturing flexible transparent conductive films of the carbon nano tubes.

The thermodynamic temperature radiation measurement method based on color temperature meter comprises: based on dual-parameter emissivity function in special wave band, creating a closed radiation pyrometry equation to ensure the measurement without emissivity data and scaled thermodynamic temperature; with color temperature meter and former equation, selecting color information as the study cross-point to build the mathematical correlation database; using the database and meter for measurement. This invention overcomes defects in prior art, and expands meter application range.

The invention relates to a four-channel noise thermometer with a quantum voltage as reference. The four-channel noise thermometer with the quantum voltage as the reference comprises a noise source to be measured, a reference quantum voltage pseudo noise source, and a switch change-over circuit which is connected with the noise source to the measured and the reference quantum voltage pseudo noise source. The four-channel noise thermometer with the quantum voltage as the reference is characterized in that a four-channel amplifying and filtering circuit is connected with a switch connecting circuit, and the four-channel amplifying and filtering circuit is correspondingly connected with a four-channel acquisition channel of a data acquisition and processing portion. The four-channel noise thermometer with the quantum voltage as the reference can effectively reduce integral time required by measurement, reduces system deviations and can play an enormous role in thermodynamic temperature and Boltzmann constant measurement studies.

The invention discloses a surface emissivity measurement system, and relates to the technical field of emissivity measurement. The surface emissivity measurement system comprises an infrared temperature measurement detector, a contact-type thermodynamic temperature sensor, a signal processing circuit and a computer; the contact-type thermodynamic temperature sensor is arranged on the surface of a target object to be measured, and transmits a surface thermodynamic temperature signal of the target object to be measured to the signal processing circuit; the infrared temperature measurement detector is arranged on the upper side of the target object to be measured, and transmits a radiation temperature signal of the surface of the target object to be measured to the signal processing circuit after the radiation temperature signal is processed; the signal processing circuit conditions the received signal, and then transmits the conditioned signal to the computer; the computer is used for performing calculating processing, data display and storage on the emissivity of the surface of the target object to the measured. The surface emissivity measurement system has the beneficial effects that the system is simple in structure and easy to install and maintain; a target material does not need to be sampled; the measurement precision is high.

The invention provides a thermal analytical calculating method and device for a high molecular material in a variable temperature field. The method comprises the following steps: analyzing the rule ofa time-dependent heat injury performance index of the high molecular material in an aging process and establishing a performance index change equation of the high molecular material; establishing a simulation experiment model of the high molecular material in the variable temperature field and solving the numerical value of the simulation experiment model by means of a finite element method to obtain a numerical value relationship between thermodynamic temperature and aging time of the high molecular material; and introducing the numerical value relationship between thermodynamic temperatureand aging time of the high molecular material into the performance index change equation of the high molecular material to obtain a quantitative relationship between the heat injury performance indexand the aging time of the high molecular material. According to the invention, an aging experiment research of the high molecular material in a slow variable temperature condition can be achieved, theobtained data is of reference value, and the integral operation is feasible.

The invention relates to a solar hot water temperature gradient manifold. The solar hot water temperature gradient manifold is designed according to the fluid thermodynamic temperature gradient principle. The solar hot water temperature gradient manifold is used for enabling hot water to carry out flow division according to a certain gradient temperature, and is arranged between two solar water tanks with the temperature grade difference. The solar hot water temperature gradient manifold comprises a long pipe, a short pipe and a connecting pipe, wherein the long pipe is arranged in the solar water tank with the lower water temperature, and the tail end of the long pipe is arranged on the upper portion of the solar water tank; the short pipe is arranged in the solar water tank with the higher water temperature, and the tail end of the short pipe is arranged on the lower portion of the solar water tank; the long pipe is connected with the short pipe through the connecting pipe. The solar hot water temperature gradient manifold has the advantages that hot water on the upper layer of the solar water tank with the lower water temperature can be conveyed to the solar water tank with the higher water temperature, and conveying flow of the hot water, with the higher temperature, between multi-level heating water tanks is quickened. The solar hot water temperature gradient manifold is simple in structure, snap rings and silica gel elbows can be freely disassembled, and cleaning is convenient; due to the fact that anti-bacterial layers are arranged on the inner wall of the long pipe, the inner wall of the short pipe and the inner wall of the connecting pipe respectively, bacteria breeding is reduced, and water quality is ensured.

The present invention relates to the radioactivity detection technology field. A method of measuring a black body thermodynamic temperature is characterized in that a radiation spectrometer is placed at a specific position, so that the distance between an aperture diaphragm and a to-be-measured object is about 900 millimeters; a CCD camera is used to observe an image of a detected area on the to-be-measured object; the radiation spectrometer is moved to detect the different areas on the to-be-measured object; the light entering the radiation spectrometer passes an acousto-optic tunable filter two times, then enters a photodiode and is transformed into a voltage signal, the voltage signal is amplified by a transimpedance amplifier, and then a narrow-band output signal is outputted, a voltage is outputted, the acousto-optic tunable filter filters the light in a light beam and within a narrow band frequency range, a microwave frequency outputted by a microwave generator is changed in a scanning manner to regulate and control the acousto-optic tunable filter to scan and filter the narrow band light, and a radiation spectrum of the to-be-measured object within a wavelength range of 650-1000 nanometers is obtained, so that the thermodynamic temperature of the to-be-measured object is analyzed.

The invention discloses a high-temperature accelerated storage test method for zinc-silver batteries. In step 101, N pieces of zinc-silver battery cells are divided into four groups according to the high-temperature accelerated storage temperature, and put into 40°C, 50°C, 60°C, and 70°C respectively. In a constant temperature oven; take out the zinc-silver battery monomer for discharge after every time T, and draw the graph of the average discharge capacity of the zinc-silver battery monomer with time at different storage temperatures; calculate the attenuation of the discharge capacity of the monomer under different storage temperatures rate; step 102, with the attenuation rate of the average discharge capacity of the zinc-silver battery cell under different storage temperatures, the life characteristic K, fitting the linear function of the logarithm of the life characteristic K for the reciprocal of the thermodynamic temperature; step 103, calculating this type of zinc-silver battery The acceleration factors of different storage temperatures of the battery relative to normal temperature; step 104, calculate the high-temperature accelerated storage time corresponding to the storage time at normal temperature, and simulate the state after long-term storage at normal temperature by storing the zinc-silver battery at high temperature for a short time.

The invention provides a method for making a small temperature swing adsorption curve for coalbed methane drainage. The method comprises the steps: the coal reservoir temperature is set as the upper limit temperature; the coalbed methane shaft temperature is set as the lower limit temperature; the upper limit adsorption pressure is set to be M MPa; the lower limit absorption pressure is set to beN MPa; the temperature and pressure swing ratio of small temperature swing adsorption is calculated; according to the lower limit absorption pressure, the lower limit temperature and the temperature and pressure swing ratio, temperature values of centigrade temperatures after the adsorption pressure of one unit is increased each time are calculated, and the M-N sets of temperature values are obtained; the calculated temperature values are converted into thermodynamic temperatures (K) from the centigrade temperatures (DEG C); and the M-N sets of thermodynamic temperatures and corresponding adsorption pressure values are substituted into a coal pressure temperature adsorption equation, and the adsorption quantity is obtained; and the small temperature swing adsorption curve is made. Comparedwith relevant technologies, coalbed methane represented by the small temperature swing adsorption curve made by the method for making the small temperature swing adsorption curve for coalbed methanedrainage corresponds with the actual situation better, practicability is high, and the accuracy degree is high.