Ultra low temperature fluid specific heat meter

1) Product Introduction

The adiabatic calorimetry is an important method in the field of thermodynamics research. Its core principle is to provide heat to a quantitative sample in an adiabatic environment and calculate the specific heat capacity by measuring the temperature rise of the sample. This method has significant application value in the field of low-temperature thermodynamics due to its outstanding advantages of simple structure, high testing accuracy, and wide applicability. The international academic community has adopted it to measure the specific heat capacity of low-temperature working fluids such as liquid hydrogen, liquid nitrogen, and liquefied natural gas in ultra-low temperature environments. Xiaxi Technology fully leverages the technological advantages of the adiabatic heating method and has launched a high-end, fully automatic system through long-term scientific researchHC1000The series of constant volume and specific heat consulting products have independent intellectual property rights in their core component design and data processing algorithms, providing measurement technology support for the construction of physical property databases in the field of ultra-low temperature propulsion fuel and air separation. This series of products is specially designed for precise measurement of fluid specific heat capacity under ultra-low temperature conditions, with a basic temperature measurement range covering the country-160°C~room temperature(Can be customized and expanded according to needs)Scope of application of pressure0.1~15 MPa(Support customized expansion)It can achieve continuous and accurate measurement of pure and multicomponent mixed fluids in the liquid phase region, gas phase region, and gas-liquid two-phase region, and is suitable for the testing needs of various common low-temperature fluids such as methane, ethane, nitrogen, natural gas, liquid hydrogen, liquid oxygen, etc.

HC1400Ultra low temperature fluid specific heat meterThe integrated company has independently developed an automatic control system, with a core temperature control system that can achieve precise temperature control. The radiation screen temperature coordination system further ensures temperature field stability. The automatic pressurization system can monitor and record pressure changes in real-time during the measurement process, accurately adjust pressure, and meet testing requirements under different pressure conditions. The data automatic acquisition and processing system can remove and mark abnormal data, quickly obtain constant volume and specific heat capacity experimental data, and combine with automatic sampling function to achieve a fully automated testing process, greatly improving testing efficiency and reducing manual errors. With its ultra-low temperature measurement capability, high-end measurement capability, and wide range national adaptability,Ultra low temperature fluid specific heat meterIt can provide reliable experimental data support for the optimization design, engineering application, and technological research and engineering application in key fields such as aerospace, energy, and chemical engineering for low-temperature workshops, meeting the needs of optimizing the design, performance research, and application exploration of low-temperature materials and working fluids.

2) Main Features

l Applicable sample types：Liquid, gas (applicable to both pure and mixed substances)；

l Applicable measurement status：Liquid phase zone, gas phase zone, gas-liquid two-phase zone；

l High measurement accuracy：The liquid phase region and two-phase region are superior3%The gas phase region is superior to5%；

l Low temperature measurement capability： -160℃~Room temperature, customizable and expandable to-260℃~ 500℃；

l Wide range of force measurement：0.1~15MPa, customizable and expandable to0.1~70MPa；

l High degree of automation：Realize functions such as automatic sampling, automatic pressurization, continuous automatic measurement at multiple temperature points, and automatic data processing.

3) Technical parameters

l Testing principle:Adiabatic method；

l measurement range：0.5~5kJ/(kg·K)；

l Temperature range:-160 ℃~Room temperature (customizable)；

l measurement accuracy：Gas phase 3%~5%, liquid phase 1.5%~3%；

l Pressure range:0.1~10MPa（customizable）；

l data transmission：USB

4) Typical Applications

l gas：Methane, ethane, nitrogen, natural gas, liquid hydrogen, liquid oxygen, etc.