Revisiting Salvucci’s Semi-analytical Solution for Bare Soil Evaporation with New Consideration of Vapour Diffusion and Film Flow
نویسندگان
چکیده
Abstract Bare soil evaporation is controlled by a combination of capillary flow, vapour diffusion and film flow. Relevant analytical solutions mostly assume horizontal flow conditions ignore gravitational effects. Salvucci (1997) provided rare example semi-analytical solution for vertical bare evaporation. However, they did not explicitly represent which are likely to account significant proportion total during from soils. Vapour can be incorporated via Salvucci’s desorptivity parameter, represents the proportionality constant relating Stage 2 cumulative square root time under conditions. The objective this article implement within test its performance comparison with isothermal numerical simulation relevant experimental data. following important conclusions drawn. Analytical that inadequate understanding problems because overestimate rates predict negligible influence. effective at predicting order-of-magnitude reduction in caused it unable identify correct importance these processes only represented through parameter.
منابع مشابه
semi-analytical solution for static and forced vibration problems of laminated beams through smooth fundamental functions method
در این پایان نامه روش جدیدی مبتنی بر روش حل معادلات دیفرانسیل پارهای بر اساس روش توابع پایه برای حل مسایل ارتعاش اجباری واستاتیک تیرها و صفحات لایه ای ارایه شده است که می توان تفاوت این روش با روش های متداول توابع پایه را در استفاده از توابع هموار در ارضاء معادلات حاکم و شرایط مرزی دانست. در روش ارایه شده در این پایاننامه از معادله تعادل به عنوان معادله حاکم بر رفتار سیستم استفاده شده است که مو...
15 صفحه اولA Novel Analytical Solution to Steady-State Evaporation from Soil and Film Region Thickness
متن کامل
Evaporation of a thin film: Diffusion of the vapour and Marangoni instabilities
The stability of an evaporating thin liquid film on a solid substrate is investigated within lubrication theory. The heat flux due to evaporation induces thermal gradients; the generated Marangoni stresses are accounted for. Assuming the gas phase at rest, the dynamics of the vapour reduces to diffusion. The boundary condition at the interface couples transfer from the liquid to its vapour and ...
متن کاملAN ANALYTICAL SOLUTION FOR DIFFUSION AND NONLINEAR UPTAKE OF OXYGEN IN THE RETINA
A simple mathematical model of steady state oxygen distribution subject to diffusive transport and non- linear uptake in a retinal cylinder has been developed. The approximate analytical solution to a reaction- diffusion equation are obtained by using series expansions. The computational results for the scaled variables are presented through graphs. The effect of the important parameters (1) d...
متن کاملAnalytical Solution of The Laminar Boundary Layer Flow over Semi-Infinite Flat Plate: Variable Surface Temperature
In this paper, the problem of forced convection over a horizontal flat plate under condition of variable plate temperature is presented and the homotopy perturbation method (HPM) is employed to compute an approximation to the solution of the system of nonlinear differential equations governing the problem. This paper provides good supplements to the existing literature and generalizes the previ...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Transport in Porous Media
سال: 2023
ISSN: ['0169-3913', '1573-1634']
DOI: https://doi.org/10.1007/s11242-023-01917-5